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TSG-3800 Family of
Timing Signal Generators
including the TSG-3800 and TSG-3800X
(19 and 23-Inch shelf)
and the TSG-3800E and TSG-3800EX
(19-Inch shelf)
User Guide
Revision F – March 2004
Part Number 12778474-002-2
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Symmetricom, Inc.
2300 Orchard Parkway
San Jose, CA 95131-1017
U.S.A.
http://www.symmetricom.com
Copyright © 2004 Symmetricom, Inc.
All rights reserved. Printed in U.S.A.
All product names, service marks, trademarks, and registered trademarks
used in this document are the property of their respective owners.
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Contents
How to Use This Guide
Purpose of This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Who Should Read This Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Structure of This Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Conventions Used in this Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Warnings, Cautions, Recommendations, and Notes . . . . . . . . . . . . . . . . . . . .24
Related Documents and Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Where to Find Answers to Product and Document Questions . . . . . . . . . . . . .25
What’s New in This Revision. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Chapter 1 Overview of the TSG-3800 Series
TSG-3800 Series Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Features Common to All Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
External Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Input Reference Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Output Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Controls and Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
CPU Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Input Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Clock Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Frame Generator Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Output Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
TSG-3800 19-Inch Main Shelf. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
TSG-3800X 19-Inch Expansion Shelf. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
TSG-3800 23-Inch Main Shelf. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
TSG-3800X 23-Inch Expansion Shelf. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
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TSG-3800E EMC-Compliant Main Shelf. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
TSG-3800EX Expansion Shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Chapter 2 Installing the TSG-3800
Unpacking and Inspecting the TSG-3800. . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Installation Tools and Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Electromagnetic Interference Considerations. . . . . . . . . . . . . . . . . . . . . .49
Rack Mounting the TSG-3800. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Installing the Shelf. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Making Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Making Ground Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Making Alarm Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Making Input Signal Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Making Output Signal Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Making Monitor Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Making Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
EIA-232 Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Ethernet Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Local Oscillator Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Installing and Removing Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Properly Handling the Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Slot Location and Keyed Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Installing Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Removing a Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
TSG-3800 Expansion Shelves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Installing the Expansion Shelf. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Making Ground Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Making Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Main Shelf and Expansion Shelf Cabling . . . . . . . . . . . . . . . . . . . . . . . . .69
Shelf Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Making Output Signal Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Installing Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Input/Output Adapter Panels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Installing the Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Making Output Signal Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Installing the Cable Support Bar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Routing Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Connecting Client Equipment to the Wire Wrap Panel. . . . . . . . . . . . . . .78
4 TSG-3800 User’s Guide 12778474-002-2 Revision F – March 2004
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Chapter 3 Operating the TSG-3800
Communications Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Ethernet Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Setting Time and Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
User List and Access Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Logging In. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Logging Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Selecting the Input Reference Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Input Signal Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Priority Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Synchronization Status Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Selecting the Reference Selection Mode . . . . . . . . . . . . . . . . . . . . . . . . .85
Operating in Revertive, Non-Revertive, or Manual Mode. . . . . . . . . . . . .87
Setting Up Input Reference Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
Setting the Input Reference Selection Mode . . . . . . . . . . . . . . . . . . . . . .88
Verifying the Input Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Manually Selecting the Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Detecting Input Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Displaying Phase Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Provisioning MTIE and Frequency Alarms . . . . . . . . . . . . . . . . . . . . . . . .91
Monitoring Input Signal Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Viewing Alarm Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Events, Fault Thresholds, Faults, and Fault Modes . . . . . . . . . . . . . . . . .94
Operating in Failure Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Provisioning the Clock Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Clock Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Provisioning the Operating Mode of the Clock Module. . . . . . . . . . . . . . .97
Provisioning Automatic Return to a Higher-Stratum Clock . . . . . . . . . . . .98
Setting the Clock Module Loop Time Constant (Tau). . . . . . . . . . . . . . . .98
Provisioning the Control Value for the Clock Module . . . . . . . . . . . . . . . .99
Enabling and Disabling Clock Modules. . . . . . . . . . . . . . . . . . . . . . . . . .101
System Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
Recalling Events. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
Retrieving Alarm Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Resetting Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Checking Instrument Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Checking the Instrument Configuration. . . . . . . . . . . . . . . . . . . . . . . . . .107
Restarting the TSG-3800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Default Parameter Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
12778474-002-2 Revision F – March 2004 TSG-3800 User’s Guide 5
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Chapter 4 Maintenance and Troubleshooting
Troubleshooting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Test Equipment and Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Fault Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Error Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
System and CPU Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Frequency and MTIE Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
Forcing a Clock Module Out of Holdover . . . . . . . . . . . . . . . . . . . . . . . .120
Establishing Nominal Phase Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . .120
Loss of Signal Faults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121
Troubleshooting Charts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121
Troubleshooting the CPU Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
Troubleshooting Clock Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Troubleshooting Frame Generator Modules. . . . . . . . . . . . . . . . . . . . . .125
Troubleshooting the T1 Input Module. . . . . . . . . . . . . . . . . . . . . . . . . . .126
Troubleshooting AMI and CC Output Modules . . . . . . . . . . . . . . . . . . . .127
Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Re-ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
Preparing the Unit for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
Repacking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
Equipment Return Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
Chapter 5 Input Modules
Composite Clock Input Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142
Installing the CC Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Making Signal Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
G.703/9 Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146
Configuring the G.703/9 Input Module . . . . . . . . . . . . . . . . . . . . . . . . . .147
Installing the G.703/9 Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . .148
Making Signal Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
Single-Port Input Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
Configuring the Single-Port Input Module. . . . . . . . . . . . . . . . . . . . . . . .156
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Installing the Single-Port Input Module. . . . . . . . . . . . . . . . . . . . . . . . . .157
Making Signal Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157
Three-Port Input Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164
Configuring the Three-Port Input Module . . . . . . . . . . . . . . . . . . . . . . . .165
Installing the Three-Port Input Module . . . . . . . . . . . . . . . . . . . . . . . . . .166
Making Signal Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166
Chapter 6 CPU, Frame Generator, and Clock Modules
CPU Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .172
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
Making Signal Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
Configuring the CPU Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .175
Installing the CPU Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .176
Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .178
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .179
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181
Configuring the Clock Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183
Installing the Clock Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184
T1/E1 Frame Generator Module with SSM. . . . . . . . . . . . . . . . . . . . . . . . . . .186
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .187
Configuring the Frame Generator Module . . . . . . . . . . . . . . . . . . . . . . .188
Installing the Frame Generator Module . . . . . . . . . . . . . . . . . . . . . . . . .193
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .193
T1/E1 Frame Generator Module with Clock Bypass. . . . . . . . . . . . . . . . . . . .194
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .195
Configuring the Frame Generator Module . . . . . . . . . . . . . . . . . . . . . . .197
Installing the Frame Generator Module . . . . . . . . . . . . . . . . . . . . . . . . .202
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .203
Chapter 7 Output Modules
AMI 20-Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .206
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .210
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Configuring the AMI 20-Output Module . . . . . . . . . . . . . . . . . . . . . . . . .210
Installing the AMI 20-Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . .212
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .213
AMI 10-Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .215
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .218
Configuring the AMI 10-Output Module . . . . . . . . . . . . . . . . . . . . . . . . .218
Installing the AMI 10-Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . .220
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .221
ESF/D4 10-Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .222
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .223
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .225
Configuring the ESF/D4 10-Output Module . . . . . . . . . . . . . . . . . . . . . .225
Installing the ESF/D4 10-Output Modules. . . . . . . . . . . . . . . . . . . . . . . .228
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229
Analog Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .230
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .231
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232
Configuring the Analog Output Module. . . . . . . . . . . . . . . . . . . . . . . . . .233
Installing the Analog Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . .234
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .235
Composite Clock Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .236
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .237
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .238
Configuring the Composite Clock Output Module. . . . . . . . . . . . . . . . . .239
Installing the Composite Clock Output Module. . . . . . . . . . . . . . . . . . . .240
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .240
RS-422 Clock Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .241
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .242
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243
Configuring the RS-422 Clock Output Module . . . . . . . . . . . . . . . . . . . .244
Installing the RS-422 Clock Output Module . . . . . . . . . . . . . . . . . . . . . .244
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245
RS-422 8 kHz Clock Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .246
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .247
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .248
Configuring the RS-422 8 kHz Clock Output Module . . . . . . . . . . . . . . .249
Installing the RS-422 Clock Output Module . . . . . . . . . . . . . . . . . . . . . .250
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250
RS-422 Selective Rate Clock Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .251
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .254
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Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .255
Configuring the RS-422 Selective Rate Clock Module . . . . . . . . . . . . . .255
Installing the RS-422 Selective Rate Clock Module . . . . . . . . . . . . . . . .256
Signal Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257
56 kBit Clock Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .259
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .261
Installing the 56 kBit Clock Output Module. . . . . . . . . . . . . . . . . . . . . . .262
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .262
TTL Clock Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .264
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .265
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .266
Configuring the TTL Clock Output Module . . . . . . . . . . . . . . . . . . . . . . .267
Installing the TTL Clock Output Module . . . . . . . . . . . . . . . . . . . . . . . . .267
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .268
TTL 8 kHz Clock Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .269
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .270
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .271
Configuring the TTL 8 kHz Clock Output Module . . . . . . . . . . . . . . . . . .272
Installing the TTL 8 kHz Clock Output Module . . . . . . . . . . . . . . . . . . . .273
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .273
G.703/13 Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .274
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .275
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .277
Installing the G.703/13 Output Module . . . . . . . . . . . . . . . . . . . . . . . . . .277
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .278
Timing Insertion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .279
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .280
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .282
Configuring the Timing Insertion Module . . . . . . . . . . . . . . . . . . . . . . . .283
Installing the Timing Insertion Module . . . . . . . . . . . . . . . . . . . . . . . . . .285
Operational Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .286
Output Fault Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .287
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .289
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .290
Installing the Output Fault Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . .291
Operating the Output Fault Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . .291
Troubleshooting Using the Output Fault Analyzer . . . . . . . . . . . . . . . . .292
Installing the Card Guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .292
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Chapter 8 Subtending Operating Mode
Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .296
Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .296
Input Reference Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .296
Subtending Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .297
Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .298
Output Wire Wrap Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .298
Appendix A Item Numbers
TSG-3800 Part Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .302
TSG-3800E Item Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .304
PartNumbers Common to the TSG-3800 Series. . . . . . . . . . . . . . . . . . . . . . .305
Appendix B System Administrator’s Reference
Establishing Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .308
Overview of the TSG-3800 Security System. . . . . . . . . . . . . . . . . . . . . . . . . .310
Adding the Administrator-Level User . . . . . . . . . . . . . . . . . . . . . . . . . . .311
Logging In. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .312
Logging Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .312
Setting Up User Accounts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .312
Adding Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .313
Modifying a User’s Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .313
Deleting a User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .314
Setting Communication Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .314
Provisioning EIA-232 Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .314
Setting Ethernet Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .318
Setting the Time and Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .319
Displaying the Software Version. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .320
Naming the TSG-3800 Target Identifier . . . . . . . . . . . . . . . . . . . . . . . . .320
Installing New System Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .321
Software Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .323
Command Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .324
Message Displays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .324
Command Selections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .325
Displaying a List of Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .325
Provisioning Input Reference Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .326
Setting the Input Reference Selection Mode . . . . . . . . . . . . . . . . . . . . .327
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Automatic Reference Switching Controls . . . . . . . . . . . . . . . . . . . . . . . .327
Verifying the Input Reference Signal . . . . . . . . . . . . . . . . . . . . . . . . . . .329
Manually Selecting the Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . .329
Provisioning the Reference Selection Mode. . . . . . . . . . . . . . . . . . . . . .329
Detecting Input Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .330
Viewing Phase Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .333
Provisioning MTIE and Frequency Parameters . . . . . . . . . . . . . . . . . . .334
Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .341
System Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .358
Appendix C TL1 Reference
Connecting to the TL1 Port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .374
Input Command Message Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .374
Response Message Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .375
Autonomous Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .376
Set Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .378
Set Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .378
Set Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .379
Set Disable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .379
Set Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .380
Set Event . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .380
Set Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .381
Set Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .381
Set Phase Zero. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .382
Set AutoReturn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .382
Set AutoSwitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .383
Set Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .383
Set Clock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .384
Set Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .384
Set Frequency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .385
Set Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .385
Set MTIE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .386
Set Priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .386
Set Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .387
Set SQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .387
Set User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .388
Retrieve Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .389
Retrieve Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .389
Retrieve Current Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .390
Retrieve Equipment Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .390
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Retrieve Input Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .391
Retrieve Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .391
Retrieve Alarm Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .393
Retrieve Clock Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .393
Retrieve Frequency Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .394
Retrieve MTIE Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .394
Retrieve Phase Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .395
Retrieve SQL Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .395
Retrieve Day of Year. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .396
Retrieve Events. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .397
Retrieve Header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .398
Retrieve Network Element Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .398
Retrieve MTIE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .399
Retrieve MTIE 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .400
Retrieve TDEV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .401
Retrieve TDEV 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .402
Retrieve PM Phase. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .403
Retrieve PM Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .404
Retrieve PM MTIE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .405
Retrieve Alarm Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .406
Retrieve Clock Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .406
Retrieve Delay Parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .407
Retrieve Frequency Parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .408
Retrieve MTIE Parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .408
Retrieve Priority Parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .409
Retrieve Reference Parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .410
Retrieve SQL Parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .410
Retrieve User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .411
Retrieve Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .412
Other Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .413
Activate User. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .413
Cancel User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .413
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .414
TL1 Event Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .414
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Figures
1-1 Location of Module Slots in the Main Shelf . . . . . . . . . . . . . . . . . . . . . . . 31
1-2 Functional Block Diagram of the Main Shelf . . . . . . . . . . . . . . . . . . . . . . 32
1-3 TSG-3800 19-Inch Main Shelf, Front View . . . . . . . . . . . . . . . . . . . . . . . 36
1-4 TSG-3800 19-Inch Main Shelf, Rear View. . . . . . . . . . . . . . . . . . . . . . . . 36
1-5 TSG-3800X 19-Inch Expansion Shelf, Front View. . . . . . . . . . . . . . . . . . 39
1-6 Inter-shelf Cable Connection, Rear View. . . . . . . . . . . . . . . . . . . . . . . . . 40
1-7 TSG-3800 23-Inch Main Shelf, Front View . . . . . . . . . . . . . . . . . . . . . . . 42
1-8 TSG-3800 23-Inch Main Shelf, Rear View. . . . . . . . . . . . . . . . . . . . . . . . 42
1-9 TSG-3800X 23-Inch Expansion Shelf, Front View. . . . . . . . . . . . . . . . . . 43
1-10 TSG-3800X 23-Inch Expansion Shelf, Rear View. . . . . . . . . . . . . . . . . . 43
1-11 TSG-3800E Main Shelf, Front View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
1-12 TSG-3800E Main Shelf, Rear View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
1-13 TSG-3800EX Expansion Shelf, Front View. . . . . . . . . . . . . . . . . . . . . . . 45
1-14 TSG-3800EX Expansion Shelf, Rear View . . . . . . . . . . . . . . . . . . . . . . . 45
2-1 Rack Mounting the Shelf, Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
2-2 TSG-3800 19-Inch Main Shelf, Rear View. . . . . . . . . . . . . . . . . . . . . . . . 52
2-3 TSG 3800 23-Inch Main Shelf, Rear View. . . . . . . . . . . . . . . . . . . . . . . . 52
2-4 TSG 3800E Main Shelf, Rear View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
2-5 Alarm Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
2-6 Signal Input Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
2-7 Typical Input Signal Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
2-8 Output Signal Connectors, Rear View. . . . . . . . . . . . . . . . . . . . . . . . . . . 57
2-9 Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
2-10 Fuse and Power Connection Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
2-11 Ethernet Pin Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
2-12 TSG-3800 19-Inch Module Slot Locations. . . . . . . . . . . . . . . . . . . . . . . . 62
2-13 TSG-3800X 19-Inch Expansion Shelf, Front View. . . . . . . . . . . . . . . . . . 65
2-14 TSG-3800X 23-Inch Expansion Shelf, Front View. . . . . . . . . . . . . . . . . . 65
2-15 TSG-3800EX 19-Inch Expansion Shelf, Front View . . . . . . . . . . . . . . . . 66
2-16 TSG-3800X 19-Inch Expansion Shelf, Rear View. . . . . . . . . . . . . . . . . . 67
2-17 TSG-3800X 23-Inch Expansion Shelf, Rear View. . . . . . . . . . . . . . . . . . 67
2-18 3800EX Expansion Shelf, Rear View . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
2-19 Expansion Shelf Inter-shelf Connections. . . . . . . . . . . . . . . . . . . . . . . . . 70
2-20 EMC Expansion Shelf Inter-shelf Connection . . . . . . . . . . . . . . . . . . . . . 71
2-21 19- and 23-Inch Output Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
2-22 Channel Output Signals for Panel and Connectors. . . . . . . . . . . . . . . . . 76
2-23 Cable Support Bar Detail. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
2-24 Installed Cables from the Panel Assembly . . . . . . . . . . . . . . . . . . . . . . . 77
4-1 Frequency Comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
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5-1 Composite Clock Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
5-2 Block Diagram of the Composite Clock Input Module . . . . . . . . . . . . . . . 142
5-3 G.703/9 Input Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
5-4 Block Diagram of the G.703/9 Input Module . . . . . . . . . . . . . . . . . . . . . . 146
5-5 Terminal Block on the G.703/9 Input Module. . . . . . . . . . . . . . . . . . . . . . 147
5-6 Single-Port Input Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
5-7 Single-Port Input Module Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . 153
5-8 Three-Port Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
5-9 Three-Port Input Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . 162
6-1 CPU Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
6-2 Block Diagram of the CPU Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
6-3 Jumper Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
6-4 Clock Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
6-5 Block Diagram of the Clock Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
6-6 T1/E1 Frame Generator Module with SSM . . . . . . . . . . . . . . . . . . . . . . . 186
6-7 Block Diagram of the T1/E1 Frame Generator with SSM . . . . . . . . . . . . 187
6-8 Frame Generator Module Switches and Jumper Locations. . . . . . . . . . . 189
6-9 T1/E1 Frame Generator Module with Clock Bypass . . . . . . . . . . . . . . . . 194
6-10 Block Diagram of the T1/E1 Frame Generator with Clock Bypass . . . . . 196
6-11 Frame Generator Module Switches and Jumper Locations. . . . . . . . . . . 198
7-1 AMI 20-Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
7-2 Block Diagram of the AMI 20-Output Module . . . . . . . . . . . . . . . . . . . . . 208
7-3 AMI 10-Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
7-4 Block Diagram of the AMI 10-Output Module . . . . . . . . . . . . . . . . . . . . . 216
7-5 ESF/D4 10-Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
7-6 Block Diagram of the ESF/D4 10-Output Module . . . . . . . . . . . . . . . . . . 224
7-7 Analog Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
7-8 Block Diagram of the Analog Output Module. . . . . . . . . . . . . . . . . . . . . . 232
7-9 Composite Clock Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
7-10 Block Diagram of the Composite Clock Output Module. . . . . . . . . . . . . . 238
7-11 RS-422 Clock Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
7-12 Block Diagram of the RS-422 Clock Output Module . . . . . . . . . . . . . . . . 243
7-13 RS-422 8 kHz Clock Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
7-14 Block Diagram of the RS-422 8 kHz Clock Output Module . . . . . . . . . . . 248
7-15 RS-422 Selective Rate Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
7-16 Block Diagram of the RS-422 Selective Rate Clock Module. . . . . . . . . . 254
7-17 56 kBit Clock Output Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
7-18 Block Diagram of the 56 kBit Clock Output . . . . . . . . . . . . . . . . . . . . . . . 261
7-19 TTL Clock Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
7-20 Block Diagram of the TTL Clock Output Module . . . . . . . . . . . . . . . . . . . 266
7-21 TTL 8 kHz Clock Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
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7-22 Block Diagram of the TTL 8 kHz Clock Output Module. . . . . . . . . . . . . . 271
7-23 G.703/13 Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
7-24 Block Diagram of the G.703/13 Output Module . . . . . . . . . . . . . . . . . . . . 276
7-25 Timing Insertion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
7-26 Block Diagram of the Timing Insertion Module . . . . . . . . . . . . . . . . . . . . 281
7-27 Output Fault Analyzer Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
7-28 Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
7-29 Installing the Card Guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
7-30 Card Guide Attached to Installation Tool . . . . . . . . . . . . . . . . . . . . . . . . . 293
7-31 Installing the Card Guide into the Shelf. . . . . . . . . . . . . . . . . . . . . . . . . . 294
7-32 Completed Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
8-1 3800 Wire Wrap Output Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
B-1 Connecting a Computer to the Comm A Port . . . . . . . . . . . . . . . . . . . . . 309
B-2 Online Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
B-3 Support Login . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
B-4 Software Download Search Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
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Tables
1-1 Specifications of the TSG-3800 19-Inch Main Shelf . . . . . . . . . . . . . . . . 37
1-2 19-Inch Expansion Shelf Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . 40
2-1 Shelf Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
2-2 Expansion Shelf Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
2-3 Input Port Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
2-4 Input Impedance Selections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
2-5 Ethernet Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
2-6 Ethernet Connector Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
2-7 Local Oscillator Output Connector Pins. . . . . . . . . . . . . . . . . . . . . . . . . . 61
2-8 Module and Slot Guide Key. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
2-9 Expansion Shelf Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
2-10 Pinout for Inter-Shelf Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
2-11 Distribution Signal Maximum Cable Length. . . . . . . . . . . . . . . . . . . . . . . 73
2-12 Input and Output Cross-Connection Signals for Connectors. . . . . . . . . . 75
3-1 Standard SSM Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
3-2 MTIE Pre-defined Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
3-3 Frequency Pre-defined Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
3-4 Fault Mode Responses and Actions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
3-5 Maximum Clock Control Value Ranges. . . . . . . . . . . . . . . . . . . . . . . . . . 100
3-6 Default Software Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
3-7 Default Hardware Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
4-1 Indicators, Alarms, and Corrective Action . . . . . . . . . . . . . . . . . . . . . . . . 116
4-2 Test Equipment and Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
4-3 Synchronization Diagnostic Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
4-4 Troubleshooting the CPU Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
4-5 Troubleshooting the Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
4-6 Troubleshooting the Frame Generator Module . . . . . . . . . . . . . . . . . . . . 125
4-7 Troubleshooting the T1 Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
4-8 Troubleshooting the AMI and CC Output Module . . . . . . . . . . . . . . . . . . 127
5-1 Indicators on the Composite Clock Input Module . . . . . . . . . . . . . . . . . . 141
5-2 Specifications, Composite Clock Input Module . . . . . . . . . . . . . . . . . . . . 142
5-3 Indicator Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
5-4 Indicators, G.703/9 Input Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
5-5 Specifications, G.703/9 Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
5-6 Selecting CAS/CCS Framing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
5-7 Selecting HDB3/AMI Framing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
5-8 Enabling CRC Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
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5-9 Selecting the Impedance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
5-10 Enabling the Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
5-11 Indicator Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
5-12 Single-Port Input Module Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
5-13 Single-Port Input Module Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 155
5-14 Locked Operation Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
5-15 Three-Port Input Module Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
5-16 Three-Port Input Module Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . 164
5-17 Locked Operation Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
6-1 CPU Module Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
6-2 CPU Module Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
6-3 EIA-232 Communications Pinout Specifications . . . . . . . . . . . . . . . . . . . 175
6-4 Jumper Positions for Different Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 176
6-5 Indicator Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
6-6 Clock Output Module Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
6-7 Available Clock Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
6-8 Stratum 2E Rubidium Clock Module Specifications. . . . . . . . . . . . . . . . . 181
6-9 Stratum 3E Quartz Clock Module Specifications . . . . . . . . . . . . . . . . . . . 182
6-10 Clock Characteristics Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
6-11 Factory-Set Positions for S1 and S2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
6-12 Indicator Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
6-13 T1/E1 Frame Generator Module Status Indicators . . . . . . . . . . . . . . . . . 187
6-14 T1/E1 Frame Generator with SSM Signal Requirements . . . . . . . . . . . . 190
6-15 T1/E1 Frame Generator with SSM Switch Block S1 . . . . . . . . . . . . . . . . 190
6-16 Switch Block S2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
6-17 T1/E1 Frame Generator with SSM Switch Block S3 . . . . . . . . . . . . . . . . 192
6-18 T1/E1 Frame Generator Module with Clock Bypass Indicators. . . . . . . . 195
6-19 T1/E1 Frame Generator with Clock Bypass Signal Requirements . . . . . 199
6-20 Switch Block S3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
6-21 Frame Generator Module with Clock Bypass Switch Block S2 . . . . . . . . 200
6-22 Frame Generator Module with Clock Bypass Switch Block S1 . . . . . . . . 201
7-1 AMI 20-Output Module Status Indicators. . . . . . . . . . . . . . . . . . . . . . . . . 207
7-2 AMI 20-Output Module Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
7-3 AMI 20-Output Module Switch S1 Name and Functions . . . . . . . . . . . . . 211
7-4 T1 Line Length Selections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
7-5 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 212
7-6 AMI 10-Output Module Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
7-7 AMI 10-Output Module Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
7-8 AMI 10-Output Module Switch S1 Name and Functions . . . . . . . . . . . . . 219
7-9 T1 Line Length Selections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
7-10 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 220
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7-11 ESF/D4 Output Module Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . 223
7-12 ESF/D4 10-Output Module Specifications. . . . . . . . . . . . . . . . . . . . . . . . 225
7-13 T1 Line Length Selections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
7-14 Frame Generator Jumper Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
7-15 T1/E1 Frame Generator S1 and S2 Rocker Settings . . . . . . . . . . . . . . . 227
7-16 T1/E1 Frame Generator S3 and S2 Rocker Settings . . . . . . . . . . . . . . . 228
7-17 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 228
7-18 Analog Output Module Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
7-19 Analog Output Module Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
7-20 Frame Generator Compatibility Jumper Settings. . . . . . . . . . . . . . . . . . . 233
7-21 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 234
7-22 Output Wiring Connections for the Analog Output Module . . . . . . . . . . . 234
7-23 Composite Clock Output Module Indicators . . . . . . . . . . . . . . . . . . . . . . 237
7-24 Composite Clock Output Module Specifications . . . . . . . . . . . . . . . . . . . 238
7-25 Switch Settings for Phase Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . 239
7-26 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 240
7-27 RS-422 Clock Output Module Status Indicators . . . . . . . . . . . . . . . . . . . 242
7-28 RS-422 Clock Output Module Specifications. . . . . . . . . . . . . . . . . . . . . . 243
7-29 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 244
7-30 RS-422 8 kHz Output Module Indicators. . . . . . . . . . . . . . . . . . . . . . . . . 247
7-31 RS-422 8 kHz Clock Output Module Specifications. . . . . . . . . . . . . . . . . 248
7-32 Frame Generator Compatibility Jumper Settings. . . . . . . . . . . . . . . . . . . 249
7-33 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 250
7-34 RS-422 Selective Rate Clock Module Indicators and Buttons. . . . . . . . . 253
7-35 RS-422 Selective Rate Clock Module Specifications. . . . . . . . . . . . . . . . 255
7-36 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 256
7-37 Output Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
7-38 RS-422 Selective Rate Clock Initial Indicator State. . . . . . . . . . . . . . . . . 258
7-39 56 kBit Clock Output Module Status Indicators . . . . . . . . . . . . . . . . . . . . 260
7-40 56 kBit Clock Output Module Specifications . . . . . . . . . . . . . . . . . . . . . . 261
7-41 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 262
7-42 TTL Clock Output Module Status Indicators . . . . . . . . . . . . . . . . . . . . . . 265
7-43 TTL Clock Output Module Specifications. . . . . . . . . . . . . . . . . . . . . . . . . 266
7-44 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 267
7-45 TTL 8 kHz Clock Output Module Status Indicators . . . . . . . . . . . . . . . . . 270
7-46 TTL 8 kHz Clock Output Module Specifications. . . . . . . . . . . . . . . . . . . . 271
7-47 Frame Generator Compatibility Jumper Settings. . . . . . . . . . . . . . . . . . . 272
7-48 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 273
7-49 G.703/13 Output Module Status Indicators . . . . . . . . . . . . . . . . . . . . . . . 275
7-50 G.703/13 Output Module Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . 277
7-51 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 277
7-52 Timing Insertion Module Status Indicators. . . . . . . . . . . . . . . . . . . . . . . . 280
7-53 Timing Insertion Module Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 282
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7-54 Timing Insertion Module Jumper Configurations. . . . . . . . . . . . . . . . . . . 284
7-55 Timing Insertion Module Line Length Selection. . . . . . . . . . . . . . . . . . . . 284
7-56 Primary and Secondary Distribution Slots. . . . . . . . . . . . . . . . . . . . . . . . 285
7-57 List of Modules and Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
7-58 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
8-1 Default Signal and Alarm Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
A-1 TSG-3800 Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
A-2 TSG-3800E Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304
A-3 Common Components in the TSG-3800 Series . . . . . . . . . . . . . . . . . . . 305
B-1 Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
B-2 User Access (Security) Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
B-3 Terminal Display Variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
B-4 Time Constant Values for Each Type of Clock Module . . . . . . . . . . . . . . 343
B-5 Event Listing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359
C-1 Structure of TL1 Input Command Messages. . . . . . . . . . . . . . . . . . . . . . 374
C-2 Notification Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
C-3 Condition Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
C-4 Condition Descriptors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377
C-5 Alarm Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378
C-6 TL1 Event Listing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414
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Page 22
How to Use This Guide
This section describes the format, layout, and purpose of this guide.
In This Preface
Who Should Read This Guide
Structure of This Guide
Conventions Used in this Guide
Warnings, Cautions, Recommendations, and Notes
Related Documents and Information
Where to Find Answers to Product and Document Questions
What’s New in This Revision
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Page 23
How to Use This Guide
Purpose of This Guide
Purpose of This Guide
The TSG-3800 User Guide is intended as a reference for the TSG-3800 family of
products. In this guide, you will find an operational overview of the TSG-3800 family
of products, the system and optional module specifications, and the procedures for
installation, start-up, configuration options, commissioning, operation, repair,
troubleshooting, maintenance, and a complete parts list.
Who Should Read This Guide
Chapter 1, Overview of the TSG-3800 Series, is written for non-technical audiences
who need general information about the product. Chapter 2, Installing the
TSG-3800, and subsequent chapters contain technical information about the
product. Other chapters describe maintenance, and configuration instructions or
details primarily intended for qualified maintenance personnel.
Structure of This Guide
This guide contains the following sections and appendixes:
Chapter, Title Description
Chapter 1, Overview of the
TSG-3800 Series
Appendix 2, Installing the
TSG-3800
Chapter 3, Operating the
TSG-3800
Chapter 4, Maintenance and
Troubleshooting
Chapter 5, Input Modules Provides a physical and functional description of the Input
Provides a general overview of the TSG-3800 family of products.
This section provides a high-level descriptio n of th e hard wa re ,
software, and product configurations and features.
Provides information necessary for installing and preparing the
TSG-3800 family of products for operation, covering the main
shelf and expansion shelf configurations.
Describes the operating modes, indicators, alarms, and sample
displays for the TSG-3800 family of products. This section also
describes the software commands common to all the available
shelf-types.
Provides information required to order system component s for all
shelf-types and perform system-level troubleshooting.
modules available for the TSG-3800. This section also provides
module specifications and configurations that are common to all
shelf-types.
Chapter 6, CPU, Frame
Generator , and Clock Modules
22 TSG-3800 User’s Guide 12778474-002-2 Revision F – March 2004
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Provides a physical and functional description of the CPU, Clock,
and Frame Generator modules available for the TSG-3800.
Page 24
Conventions Used in this Guide
How to Use This Guide
Chapter, Title Description
Chapter 7, Output Modules Provides a physical and functional description of the Output
modules available for the TSG-3800 systems.
Chapter 8, Subtending
Describes the Subtending mode of operation for the TSG-3800.
Operating Mode
Appendix A, Part Numbers Provides system hardware selection and procurement
information for various available TSG-3800 system
configurations and optional equipment.
Appendix B, System
Administrator’s Reference
Describes the ASCII command set used to communicate with
the system.
Appendix C, TL1 Reference Describes the TL1 command set used to communicate with the
system.
Index Provides references to individual topics within this guide.
Conventions Used in this Guide
This guide uses the following conventions:
Acronyms and Abbreviations – Terms are spelled out the first time they appear
in text. Thereafter, only the acronym or abbreviation is used.
Revision Control – The title page lists the printing date and versions of the
product this guide describes.
Typographical Conventions – This guide uses the typographical conventions
described in the table below.
When text appears
this way...
TSG-3800 User Guide The title of a document.
CRITICAL
An operating mode, alarm state, status, or shelf label.
PORT-A
J1
Select File, Open... Click the Open option on the File menu.
Press
Press
Enter.
Print Scrn.
A named keyboard key.
The key name is shown as it appears on the keyboard. An
explanation of the key’s acronym or function imme diately follows
the first reference to the key, if required.
TSG-3800
Username:
12778474-002-2 Revision F – March 2004 TSG-3800 User’s Guide 23
Text in a source file or a system prompt or other text that appears
on a screen.
... it means:
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Page 25
How to Use This Guide
Warnings, Cautions, Recommendations, and Notes
When text appears
this way...
CONFIG
STATUS
A subtending application A word or term being emphasized.
Symmetricom does not
recommend...
A command you enter at a system prompt or text you enter in
response to a program prompt. You must enter commands for
case-sensitive operating systems exactly as shown.
A word or term given special emphasis.
... it means:
Warnings, Cautions, Recommendations, and Notes
Warnings, Cautions, Recommendations, and Notes attract attention to essential or
critical information in this guide. The types of information included in each are
explained in the following examples.
Warning: To avoid serious personal injury or death, do not disregard
warnings. All warnings use this symbol. Warnings are installation,
operation, or maintenance procedures, practices, or statements, that
if not strictly observed, may result in serious personal injury or even
death.
Caution: To avoid personal injury, do not disregard cautions. All
cautions use this symbol. Cautions are installation, operation, or
maintenance procedures, practices, conditions, or statements, that if
not strictly observed, may result in damage to, or destruction of, the
equipment. Cautions are also used to indicate a long-term health
hazard.
ESD Caution: To avoid personal injury and electrostatic discharge
(ESD) damage to equipment, do not disregar d ESD cautions. All ESD
cautions use this symbol. ESD cautions are installation, operation, or
maintenance procedures, practices, conditions, or statements that if
not strictly observed, may result in possible personal injury,
electrostatic discharge damage to, or destruction of, static sensitive
components of the equipment.
Electrical Shock Caution: To avoid electrical shock and possible
personal injury, do not disregard electrical shock cautions. All
electrical shock cautions use this symbol. Electrical shock cautions
are practices, procedures, or statements, that if not strictly observed,
may result in possible personal injury, electrical shock damage to, or
destruction of components of the equipment.
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Page 26
Recommendation: All recommendations use this symbol.
Recommendations indicate manufacturer-tested methods or known
functionality. Recommendations contain installation, operation, or
maintenance procedures, practices, conditions, or statements, that
provide important information for optimum performance results.
Note: All notes use this symbol. Notes contain installation, opera tion,
or maintenance procedures, practices, conditions, or statements, that
alert you to important information, which may make your task easier
or increase your understanding.
Related Documents and Information
Other helpful documents are listed below. See your Symmetricom representative or
sales office for a complete list of available documentation.
Related Documents and Information
How to Use This Guide
Note: Symmetricom offers a number of applicable training courses
designed to enhance product usability. Contact your Symmetricom
representative or sales office for a complete list of courses and
outlines.
Where to Find Answers to Product and Document
Questions
For additional information about the products described in this guide, please cont act
your Symmetricom representative or local sales office.
We appreciate your suggestions of ways to improve any part of this guide. Please
make your suggestions on a copy of the af fected page and include it with the reader
comment form.
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Page 27
How to Use This Guide
What’s New in This Revision
What’s New in This Revision
This guide is a complete revision of the previous version, and is reformatted to the
8.5 x 11 inch size; a new, larger typeface is used to help you comprehend the
material. Visual cues, such as the header and the table of contents at the start of
each chapter, help you locate material quickly. This guide contains the following
new material:
Factory Default information (Chapter 3)
RS-422 Selective Rate Output module (Chapter 7)
New item numbers added to Appendix A
System software download and installation (Appendix B)
TL1 language commands (Appendix C)
Index
26 TSG-3800 User’s Guide 12778474-002-2 Revision F – March 2004
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Page 28
Chapter 1 Overview of the TSG-3800 Series
This chapter describes the TSG-3800, and provides a theory of operation for the
unit. The available expansion shelves are introduced and described.
In This Chapter:
TSG-3800 Series Overview
Features Common to All Models
Functional Description
TSG-3800 19-Inch Main Shelf
TSG-3800X 19-Inch Expansion Shelf
TSG-3800 23-Inch Main Shelf
TSG-3800X 23-Inch Expansion Shelf
TSG-3800E EMC-Compliant Main Shelf
TSG-3800EX Expansion Shelf
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Page 29
Overview of the TSG-3800 Series
TSG-3800 Series Overview
TSG-3800 Series Overview
The TSG-3800 and TSG-3800E are timing signal generators that generate and
distribute network synchronization signals. Input signals can be DS1, E1, 2048 kHz,
sinusoids, or square waves. The TSG-3800E and optional TSG-3800EX Expansion
shelf are EMC-compliant, 19-inch, rack-mounted systems with a special metal
chassis incorporating elements to reduce electromagnetic interference (EMI)
emissions.
The TSG-3800 User Guide contains information about installing, configuring,
operating, and maintaining the TSG-3800 Timing Signal Generator systems
manufactured by Symmetricom. The TSG-3800 series of products is available in
three versions:
TSG-3800 19-inch Main Shelf and an optional 19-inch Expansion shelf
TSG-3800E 19-inch electromagnetic compatibility (EMC) compliant Main Shelf
and an optional 19-inch EMC compliant Expansion shelf
TSG-3800 23-inch Main Shelf and an optional 23-inch Expansion shelf
Note: The information presented throughout this g uide is common for
all models and shelf-types unless otherwise specified. Functionally,
the TSG-3800 19 and 23-inch, and the TSG-3800E 19-inch shelves
are identical and use the same family of modules.
Features Common to All Models
The TSG-3800 series has three main shelf assemblies that share the following
common features:
External connections on rear panel
Up to 12 input reference signals
Generation of output signals (optional Expansion shelves are available for
additional outputs)
Power subsystems
External alarm connections
Controls and indicators
Module functionality – the TSG-3800E uses a set of EMI-compliant modules that
are functionally identical to the modules available in the TSG-3800
Accessories
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Page 30
Overview of the TSG-3800 Series
Features Common to All Models
These common features are shared across the TSG-3800 series, and are described
in the following paragraphs. For additional det ail on the modules, refer to Chapters 5
through 7 in this guide.
External Connections
External connections to the main shelf, with the exception of an EIA-232 port
located on the front panel of the CPU module, are available on the rear panel of the
main shelf. The external connections include:
Four connectors for input signals
Two (or four) 50-pin output signal connectors, one for each redundant pair
Power terminal block connector, a primary and a secondary power input
Alarms (Major and Minor) terminal blocks, three sets of Form C alarm
connections per block for Local, Remote and Audio alarms
EIA-232 port for remote monitoring and control
Expansion shelf connector
RJ45 for Ethernet 10Base-T connector, or 15-pin “D” connector
Input Reference Signals
The TSG-3800 series has four input slots and supports up to 12 external input
signals of matching or mixed types: framed, composite clock, and so forth. These
signals are connected to the rear panel o f the main shelf. Input signal specifications
for each type of Input module are described in Chapter 5, Input Modules.
Each input reference signal is assigned a priority level from one to four for use as
the frequency reference signal, with priority level one being the highest. A priority
level of zero may also be assigned to any of the inputs, which sets that input for
monitor use only. When set to zero, the input is never selected as a reference, but
still provides full performance measurement information. In addition to the
user-assigned priority level, the TSG uses the position of the Input module in the
shelf (left to right) as well as the location of the input on the module (top to bottom)
to select among ports with equal user-assigned priorities. The reference selection
algorithm uses the priority level to along with fault conditions to select which input
reference signal is used for frequency control of the clocks.
Switching between reference signals can occur repeatedly without accumulating
phase or frequency error. This switching can be done revertive or non-revertive.
Restoring the primary reference source can return the TSG-3800 to tracking the
primary signal.
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Page 31
Overview of the TSG-3800 Series
Features Common to All Models
Output Signals
The TSG-3800 series 19-inch main shelf has four slots for Output modules, each
with 20 outputs. The TSG-3800 23-inch Main Shelf provides an additional fou r slots,
for a total of 160 outputs. Signals from similar Output modules merge on the
backplane to provide redundancy. For example, channel 1 of the first module is
merged with channel 1 of the second module. Operators can configure the
TSG-3800 to provide multiple output signal types by installing desired output
module pairs.
Up to 180 additional outputs are available in each of one or two optional 19-inch
expansion shelves. Up to 220 additional outputs are available in e ach of one or two
23-inch expansion shelves. Outputs are at the rear of each shelf. Output signal
specifications for each type of Output module are described in Chapter 7, Output
Modules.
Power
The TSG-3800 series main shelf requires redundant –48 vDC power inputs. The
power connects to the main shelf through terminal block connectors on the rear
panel. The negative side of each power input is fused for protection. Both power
inputs are available for each module in the shelf; each module has its own power
converter and supplies power at the levels required by the individual module.
Alarms
The rear panel on the TSG-3800 series main shelf contains three sets of Form C
relay contacts for Major and Minor alarms, specifically the Local, Remote, and
Audio alarms. The user can reset the audio alarm from the front panel or by
software command. The Local and Remote alarms clear automatically when the
condition causing the alarm is corrected. Three levels of alarms can be reported:
Minor, Major, and Critical.
Controls and Indicators
The TSG-3800 series main shelf automatically monitors signal inputs, outputs, and
operating limits, and takes corrective action based on the condition of these
monitored limits and factory or user defined operational provisions. Status is
indicated on the front of the installed modules and rear panel alarm relays are set to
indicate three levels of alarms; Major, Minor, and Critical.
The operator can change system operating limits and collect measurement data
using a terminal emulation program on a personal computer, which can be
connected through the use of a EIA-232 connector on the front panel or to the
remote EIA-232 connector located on the rear of the unit. The main shelf can also
be attached to a local area network (LAN) for remote access through the PC using
an optional Ethernet 10Base-T connector.
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Page 32
Overview of the TSG-3800 Series
Features Common to All Models
Modules
Symmetricom provides a number of input, clock, frame generator, and output
modules that can be used with any shelf in the TSG-3800 series. These modules
are interchangeable among the shelf configurations with the following exceptions.
EMI-compliant modules must be installed in TSG-3800E, and can be used in all
other members of the TSG-3800 series.
All other modules can be installed in the TSG-3800, but cannot be used in the
TSG-3800E without affecting its EMI compliance.
Modules are plug-in assemblies that fasten into the main shelf and are secured with
captive thumbscrews. Electrical connections between the modules and the
backplane of the main shelves are accomplished through the use of gold-plated
edge connectors that are hard-wired to corresponding connectors on the ba ckplane.
Each module contains status indicators and may also contain external connectors.
The main shelf contains a set of modules that are required for operation and a
combination of other modules. Requirements for optional modules depend on the
type of input and output signals and the quality of clock oscillator required by the
user and required for the application.
The TSG-3800 shelf supports five types of modules: Input, CPU, Clock, Frame
Generator, an d Output. Modules, othe r than the CPU, are normally inst alled in p airs
for functional redundancy. Figure 1-1 shows the locations in the main shelf for each
type of module. Refer to Chapters 5 through 7 in this guide for the descriptions of
available module types.
Figure 1-1. Location of Module Slots in the Main Shelf
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Overview of the TSG-3800 Series
Functional Description
Functional Description
A fully-configured TSG-3800 series shelf contains at least one each of the following
modules:
CPU
Clocks (one or two)
Inputs (up to four)
Frame Generators (one or two)
Outputs (up to four)
Figure 1-2 is a functional block diagram of the TSG-3800 series main shelf.
The TSG-3800 continuously monitors the integrity of the incoming reference sign al.
The operator defines input acceptance criteria and sets the parameters for alarm
conditions. When a reference input signal is accepted by the TSG-3800, it phase
locks to the signal with the highest priority. System performance depends upon the
quality of the oscillators in the Clock modules.
Figure 1-2. Functional Block Diagram of the Main Shelf
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Overview of the TSG-3800 Series
Functional Description
CPU Module
The TSG-3800 main shelf requires one Processor (CPU) module. The CPU Module
controls and monitors main shelf operation. This module communicates with a
peripheral device to provide operator-control of the TSG-3800. The CPU module
performs the following processes:
Reads the configuration data, identifies the types of modules installed, and sets
operational parameters
Collects and stores data, such as configuration data, collected measurement,
alarm, and operator-control setting data. It also reports data through the use of
two EIA-232 ports
Analyzes the input signals and selects the active reference based upon the
results
Measures the phase and frequency of all input signals
Calculates Maximum Time Interval Error (MTIE) and frequency
Adjusts the frequency of each Clock module, based on phase changes in the
selected reference
Performs logic functions for activating Critical, Major, and Minor alar ms. Triggers
alarm relays, reports event, and takes corrective action
Sets the TSG-3800 operating mode; Warm-up, Acquire, Locked, or Holdover
Monitors system and module status; identifies and reports module failure
See Chapter 6, CPU, Frame Generator, and Clock Modules, for more information
on the CPU module.
An internal microprocessor in the CPU module performs a high-resolution
comparison of each input signal against the system clock. In comparing, the
TSG-3800 measures the frequency and maximum time interval error (MTIE)
deviations between each input and the internal clocks. The TSG-3800 also counts
signal error events, for example, the number of measurement intervals containing a
loss of signal. When the amount of input errors or MTIE/frequency derivation
passes a threshold, the TSG-3800 declares a fault for that channel. The operator
determines the severity of the alarm caused by this fault. Alarm responses include
ignoring the fault, failing the input, switching references, and activating the remote,
local, and audio relays. When a reference is not available for switching, an internal
Clock module provides the synchronization reference for Holdover mode.
The microprocessor stores instrument configuration information, operating status,
and signal data. It also records faults, changes in configuration, and changes in
operating status. The operator can retrieve t his information remotely as described in
Chapter 3, Operating the TSG-3800.
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Overview of the TSG-3800 Series
Functional Description
The microprocessor performs all measurement, data processing, and control
operations. It continuously checks for any module or system condition th at exce eds
alarm thresholds. If an alarm condition exists, the processor triggers the alarm
relays and takes corrective action. The processor automatically reports faults
through the EIA-232 ports. The operator can disable automatic event reporting. This
is useful when an automatic collection of measurements is desired without event
reporting interrupting them.
The TSG-3800 is shipped with operating settings at factory default values. As the
operator specifies new limits, the TSG-3800 stores them in non-volatile memory.
These settings remain until changed or the operator directs the TSG-3800 to return
to default values. Table 3-6 and T able 3-7 list the factory default settings and pro vide
a column where the operator can note new settings.
System operating limits and functions are operator-programmable. The TSG-3800
has two EIA-232 ports for connection to peripheral devices. Cable connections to
the TSG-3800 are described in Chapter 2, Installing the TSG-3800.
Input Modules
Up to four Input modules can be installed in the TSG-3800 main shelf. Each Input
module supports a different type of signal, such as Composite Clock, DS1, or E1.
These modules measure the difference between the incoming signal and the
signals generated by the Clock module(s) in the main shelf. The Input modules can
be any combination of the available types. See Chapter 5, Input Modules, for more
information on the Input modules available for the TSG-3800 series.
Clock Modules
One or two Clock modules in the TSG-3800 main shelf provide an internal reference
for measuring the incoming input signals. The CPU module locks the clock to the
selected input. If the input signal is not available, the clock enters the Holdover
mode and the output signals are maintained at the last valid setting. See Chapter 6,
CPU, Frame Generator, and Clock Modules, for more information on the Clock
modules available for the TSG-3800 series.
The Clock modules provide the internal reference signals for generating the output
timing signals. They are also the back-up timing sources if the reference input
signals are lost. Clock modules may be of different types, allowing for lower cost
option for the secondary module, which is only used when the primary module is out
of service.
The frequency of each clock is locked to a valid reference input signal. A valid input
signal is one that is free from input faults while meeting acceptable frequency and
MTIE specifications. Current selections for internal clock oscillators are Rubidium
Stratum 2E and Quartz Stratum 3E.
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Overview of the TSG-3800 Series
Functional Description
The TSG-3800 controls clock frequency by adjusting an internal control value. The
CPU module uses the phase measurements between the selected input signal and
the clock signals to calculate each oscillator’s control value. The control value is
also adjustable by the operator while the Clock module is in Holdover. The control
value setting is held in each Clock module for operation without the CPU module.
Frame Generator Modules
The Frame Generator modules in the TSG-3800 main shelf produce timing signals
used by the Output modules to generate the various outputs they produce. See
Chapter 6, CPU, Frame Generator , and Clock Modules, for more information on the
Frame Generator modules available for the TSG-3800 series.
The TSG-3800 Main Shelf accepts one or two Frame Generator modules. These
modules produce formatted timing signals to drive the distribution modules. One
Frame Generator module must accompany each Clock module. With two Frame
Generator modules and a Clock module pair, the TSG-3800 synchronizes their
outputs providing a minimal phase change of 25ns on switch-over between
redundant modules. The T1/E1 Frame Generator Module provides two outputs and
two clocks. Output 1 is either a framed T1 or a framed E1 signal. Output 2 can be
set for framed E1 (2048 kbps) or Composite Clock (64/8 kHz) signals. The two clock
output signals can be individually set to either 1.544 MHz, 2.048 MHz, or 8 kHz.
Output Modules
Symmetricom provides a variety of Output modules that create the signals
distributed to network elements. When paired with a second Output module of the
same type, each module provides 20 one-for-one redundant output signals. The
3800/3800E 19-inch main shelf supports four Output modules for a total of 40
redundant output signals; the 3800 23-inch main shelf supports eight Output
modules for a total of 80 redundant output sig nals. See Chapter 7, Output Modules,
for more information on the Output modules available for the TSG-3800 series.
Different types of Output module pairs may be used, dependent only on the signals
provided by the frame generators selected.
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Overview of the TSG-3800 Series
TSG-3800 19-Inch Main Shelf
TSG-3800 19-Inch Main Shelf
The TSG-3800 19-inch Main Shelf is shown in Figure 1-3 and Figure 1-4.
Figure 1-3. TSG-3800 19-Inch Main Shelf, Front View
Figure 1-4. TSG-3800 19-Inch Main Shelf, Rear View
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Overview of the TSG-3800 Series
TSG-3800 19-Inch Main Shelf
Description
The TSG-3800 19-inch Main Shelf assembly is a 19-inch aluminum chassis
equipped with card guide slots for plug-in modules. The slots are partitioned into
keyed sections. The main shelf has a rear plane assembly with connections for
input, power, alarm, communication, and output signals. The main shelf assembly
includes flanged brackets for mounting to a standard 19-inch relay or instrument
rack. A rear cover and cable tie-bar are also included.
Specifications
Table 1-1 lists the general specifications for the TSG-3800 19-inch Main Shelf. For
specifications on individual modules, refer to chapters 5 through 7 in this guide.
Table 1-1. Specifications of the TSG-3800 19-Inch Main Shelf
Specification Characteristic
Long-term Frequency Error Exceeds Stratum criteria defined in ANSI T1.101-1994
Clock Performance Meets SONET requirements per ANSI T1.105-1988
Event Log Stores up to 500 events including input and system faults,
operator inputs, and system actions; time and date
stamped to the nearest millisecond
System Interface Dual EIA-232 connectors, 300 to 19,200 baud, 8-bit, no
parity, 1 stop bit; also Ethernet 10 base-T (optional)
Measurements
MTIE Measurements (each input) Most recent 50 values, 100, 1,000, 10,000 second perio ds
Frequency Measurements
(each input)
Phase Measurements (each input) Most recent 100 values @ 1 second avg; 1,000 values @
Control Value Calculations
(each of 2 clocks)
Other Measurements (each input) AIS, BPV, CRC, LOS, OOF errored and clear intervals
Main Shelf 2 module pairs (40 outputs) in 19″ shelf
Most recent 50 values, 100, 1,000, 10,00 second averages
100 second avg
Most recent 100 values @ 1 second avg; 1,000 values @
100 second avg
Distribution Capacity
4 module pairs (80 outputs) in 23″ shelf
Expansion Shelf #1 9 module pairs (180 outputs) in 19″ shelf
11 module pairs (220 outputs) in 23″ shelf
Expansion Shelf #2 9 module pairs (180 outputs) in 19″ shelf
11 module pairs (220 outputs) in 23″ shelf
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Overview of the TSG-3800 Series
TSG-3800X 19-Inch Expansion Shelf
Table 1-1. Specifications of the TSG-3800 19-Inch Main Shelf (Continued)
Specification Characteristic
Maximum Outputs 400 (19″ Main Shelf)
520 (23″ Main Shelf)
Environmental
Operating Temperature Range 0 to 50°C
Humidity 0 to 95%, non-condensing
Power
Power Redundant Inputs:
38 to 72 vDC, 3.0 A (maximum)
+ 0.1 A/Dist. Module
Either positive or negative ground
Connector Terminal Block
Fuse Ty pe/Rating GMT-5A (4 fuses); (2 fuses on EMC version)
Alarm Relay Contact Rating 1 Amp, resistive
Mechanical
Height 10.47 in (26.6 cm)
Depth 10.75 in (27.3 cm)
Width 17.12 in (48.3 cm), or 21.10 in (53.6 cm)
Weight 20 lbs (9 kg)
TSG-3800X 19-Inch Expansion Shelf
The TSG-3800X 19-inch Expansion Shelf can be used with the TSG-3800 19-inch
Main Shelf to provide additional outputs. The 3800X 19-inch unit is shown in Figure
1-5.
Note: When you install an expansion shelf, note that the maximum
length of cable available for connecting the main shelf to the
expansion shelf is six feet (1.8 m).
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Figure 1-5. TSG-3800X 19-Inch Expansion Shelf, Front View
Overview of the TSG-3800 Series
TSG-3800X 19-Inch Expansion Shelf
Description
The TSG-3800X 19-Inch Expansion Shelf assembly, item number 25476672-000-0,
is a rack-mounted system that provides additional signal distribution for the
TSG-3800 19-inch Main Shelf assembly. The Expansion Shelf accepts up to 18
distribution modules in nine redundant pairs, providing 180 outputs, 20 outputs per
module pair. Output signals are routed to nine, 50-pin connectors located on the
rear panel.
The TSG-3800X 19-inch Expansion Shelf may also be used to house Timing
Insertion Modules (TIM). A TIM may be inserted in one slot of any output pair with
the TIM Bypass Relay assembly in the adjacent slot. Timing signals for the TIM are
provided by the TSG-3800 19-inch Main Shelf. Input and Output connections for th e
TIM are routed to the 50-pin connectors located on the rear panel of the expansion
shelf. For more information on the TIM, refer to Timing Insertion Module, on page
279.
The 19-inch Expansion Shelf receives input signals from the TSG-3800 19-inch
Main Shelf through a cable assembly as shown in Figure 1-6.
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Overview of the TSG-3800 Series
TSG-3800X 19-Inch Expansion Shelf
Figure 1-6. Inter-shelf Cable Connection, Rear View
Note: Blank panels occupy slots 1 through 3 and slot 24 in the
Expansion shelf. The other 22 slots are availab le for installation of
module pairs, and include slots 4 through 23.
Specifications
Table 1-2 lists the specifications for the TSG-3800X 19-inch Expansion Shelf.
Table 1-2. 19-Inch Expansion Shelf Specifications
Specification Characteristic
Distribution Capacity
Maximum Outputs (19-inch shelf) 9 module pairs (180 outputs)
Maximum Outputs (23-inch shelf) 11 module pairs (220 outputs)
Connector 50 contact connector, for example - Cinch
#57-10500-8750
Inter-shelf Connector 50 pin header, 3M 3433-2303
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Table 1-2. 19-Inch Expansion Shelf Specifications (Continued)
Specification Characteristic
Mating Connector 3M, 929-852-01-27-10
Operating Temperature Range 0 to 50° C
Humidity 0 to 90%, non-condensing
Power
Inputs Redundant Inputs
–38 to –72 vDC, 3.0 A maximum
Approx. 0.1 A/Dist. Module
Connector Terminal Block
Fuse Type/Rating GMT-5A (4 fuses)
Mechanical
Height 10.5 in (26.7 cm)
Overview of the TSG-3800 Series
TSG-3800 23-Inch Main Shelf
Depth 12 in (30.5 cm)
Width 19 in or 23 in (48.3 or 58.4 cm)
TSG-3800 23-Inch Main Shelf
The TSG-3800 23-inch shelf is a larger version of the TSG-3800 19-inch Main Shelf
Assembly. The TSG-3800 23-inch shelf provides up to 80 redundant outputs and is
capable of driving two TSG-3800X 23-inch expansion shelves with 220 additional
outputs available in each of the expansion shelf.
The TSG-3800 23-inch unit functions identically to the TSG-3800 19-inch unit, as
described in Functional Description, on page 32. The TSG-3800 23-inch Main Shelf
is shown in Figure 1-7 and Figure 1-8.
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Overview of the TSG-3800 Series
TSG-3800X 23-Inch Expansion Shelf
Figure 1-7. TSG-3800 23-Inch Main Shelf, Front View
Figure 1-8. TSG-3800 23-Inch Main Shelf, Rear View
TSG-3800X 23-Inch Expansion Shelf
The TSG-3800X 23-inch Expansion Shelf can be used with the TSG-3800 23-inch
Main Shelf to provide additional outputs. The 3800X 23-inch expansion shelf is
shown in Figure 1-9 and Figure 1-10.
Note: When you install an expansion shelf, note that the
maximum length of cable available for connecting the main shelf
to the expansion shelf is six feet (1.8 m).
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Figure 1-9. TSG-3800X 23-Inch Expansion Shelf, Front View
Overview of the TSG-3800 Series
TSG-3800X 23-Inch Expansion Shelf
Figure 1-10. TSG-3800X 23-Inch Expansion Shelf, Rear View
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Overview of the TSG-3800 Series
TSG-3800E EMC-Compliant Main Shelf
TSG-3800E EMC-Compliant Main Shelf
The TSG-3800E Main Shelf is an EMC-compliant 19-inch version of the TSG-3800
with the same functionality. The 3800E Main Shelf is shown in Figure 1-11 and
Figure 1-12.
Figure 1-11. TSG-3800E Main Shelf, Front View
Figure 1-12. TSG-3800E Main Shelf, Rear View
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TSG-3800EX Expansion Shelf
The TSG-3800EX 19-inch Expansion shelf was developed to support the
TSG-3800E Main Shelf and is shown in Figure 1-13 and Figure 1-14.
Overview of the TSG-3800 Series
TSG-3800EX Expansion Shelf
Figure 1-13. TSG-3800EX Expansion Shelf, Front View
Figure 1-14. TSG-3800EX Expansion Shelf, Rear View
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Overview of the TSG-3800 Series
TSG-3800EX Expansion Shelf
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Page 48
Chapter 2 Installing the TSG-3800
This chapter provides guidelines and procedures for unpacking, inst alling, and initial
testing of the TSG-3800 family of products.
This chapter also provides instructions for installing each corresponding expansion
shelf.
In This Chapter:
Unpacking and Inspecting the TSG-3800
Before You Begin
Rack Mounting the TSG-3800
Making Electrical Connections
Installing and Removing Modules
TSG-3800 Expansion Shelves
Input/Output Adapter Panels
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Installing the TSG-3800
Unpacking and Inspecting the TSG-3800
Unpacking and Inspecting the TSG-3800
Unpack all equipment carefully and check it against the purchase order.
Caution: To avoid damage to unprotected components, use proper
static control precautionary measures when handling the modules.
Protect the equipment against electrostatic discharge (ESD) by using
a protective wrist-strap attached to ground and normal equipment
grounding.
Inspect the equipment for shipping damage, including bent or loose hardware,
broken connectors, or other visible defects. Notify Symmetricom and the carrier who
delivered the equipment if you suspect that it was damaged in transit.
Recommendation: Symmetricom recommends that you keep all
packaging materials in the event the system or components must be
returned or shipped to another location.
Before You Begin
Make sure that the following preparations are in place before installation.
Ensure that standard installation tools and materials are available, see
Installation Tools and Materials, on page 49.
Ensure that the system location does not cause electromagnetic interference with
other equipment in the area, see
on page 49.
Ensure that the mounting rack or equipment cabinet is properly grounded and
has power available, see Making Ground Connections, on page 53.
Warning: To avoid the risk of shock, remove the fuses from the rear
panel before beginning the installation. The unit is not equipped with
a power on/off switch; both fuses must be removed to ensure the
system is not accidentally powered up.
Caution: To avoid electrostatic discharge (ESD) damage to
equipment, follow the ESD precautions as listed in this guide.
Electromagnetic Interference Considerations,
Recommendation: Follow all applicable local building electrical
codes when installing the TSG-3800.
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Page 50
Installing the TSG-3800
Before You Begin
Installation Tools and Materials
The following required standard tools and materials (not supplied) are required for
installing the TSG-3800:
Standard tool kit
Cable ties or acceptable cable clamps
16 AWG (minimum) wire for –48V, Return (RTN), and frame ground
18 AWG wire for connecting office alarms
22 AWG shielded twisted pair wire-wrap cable (Amp #640433-7 or equivalent)
Wire-wrap tool
Screws, flat washers, and locking washers for mounting the shelf to the
equipment rack
Digital Voltmeter
Straight-through RS-232 cable
Laptop or PC with a terminal emulation program such as HyperTerminal or
ProComm Plus
Electromagnetic Interference Considerations
Electromagnetic interference (EMI) from one instrument can adversely affect the
operation of nearby equipment. To prevent the TSG-3800 from interfering with other
equipment, it must be installed and operated as described in the following
paragraphs.
All cables connected to the TSG-3800 should be shielded with metal connector
shells. The connectors on the back of the unit are shielded and connected to Frame
Ground. The screws on all cable shells must be securely fasten ed to the connectors
on the shelf’s rear panel.
While the TSG-3800 is in operation, a module or blank filler panel (item number
10977120-000-0) must be installed in every slot. Captive screws located at the top
and bottom of the module panel must be properly secured
Caution: To maintain EMC compliance, use only properly shielded
cabling on all telecom signal wiring, including I/O, clocks, and
Ethernet connections. Ensure that connections are appropriately
grounded.
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Installing the TSG-3800
Rack Mounting the TSG-3800
Rack Mounting the TSG-3800
The dimensions for each model are outlined in Table 2-1. A one RU (1.75 inch)
space between shelves is recommended but not required when installing more than
one TSG-3800 shelf.
Table 2-1. Shelf Dimensions
Main Shelf Height Depth Width
3800/3800E 19-inch 10.5 in (26.7 cm) 12 in (30.5 cm) 19 in (48.26 cm)
3800 23-inch 10.5 in (26.7 cm) 12 in (30.5 cm) 23 in (58.42 cm)
Installing the Shelf
The shelves mount flush to the rack or at distances of two inches (5 cm) or five
inches (12.7 cm) from the front of the rack. Mount the unit by performing the
following steps.
1. Attach a mounting bracket, item number 00476807-xxx-1, to each side of the
TSG-3800 Main Shelf, by aligning two columns (three holes per column) of the
bracket with the holes on the side of the shelf. Use six 4-40 x 3/8″ screws to
attach the mounting bracket, as shown in Figure 2-1. Ensure that both brackets
are attached at equal distances from the front of the unit.
2. Mount the instrument to the front of the ra ck rails with eight screws and washers,
as shown in Figure 2-1. Use the correct mating screws for the installation rack.
3. If you are not installing an expansion shelf, install the Bus Termination assembly
in the appropriate connector, as listed in Table 2-2.
Table 2-2. Expansion Shelf Connections
Model Expansion Connector
3800/3800E 19-inch
Shelf
3800 23-inch Shelf J11
J9
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Making Electrical Connections
Installing the TSG-3800
Figure 2-1. Rack Mounting the Shelf, Front View
Making Electrical Connections
Use the following procedures to make electrical connections to the TSG-3800. All
connections referred to in these procedures are made on the rear pan el of the shelf.
Figure 2-2, Figure 2-3, and Figure 2-4 illustrate the rear panels of the TSG-3800
19-inch Main Shelf, the TSG-3800 23-inch Main Shelf, and the TSG-3800E 19-inch
Main Shelf, respectively.
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Installing the TSG-3800
Making Electrical Connections
Figure 2-2. TSG-3800 19-Inch Main Shelf, Rear View
Figure 2-3. TSG 3800 23-Inch Main Shelf, Rear View
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Making Electrical Connections
Installing the TSG-3800
Figure 2-4. TSG 3800E Main Shelf, Rear View
Making Ground Connections
After the TSG-3800 is installed in a rack, the shelf must be connected to a proper
earth ground.
1. Run a cable from the frame ground (FG) lug to earth ground.
Keep this cable as short as possible. Frame ground connections are made using
the #8-32 stud labeled FG on the lower left corner of the rear panel.
2. Using a digital voltmeter, measure between ground and chassis and verify that
no voltage potential exists between them.
Making Alarm Connections
To make alarm connections to the TSG-3800:
1. Locate the ALARM terminal block connectors labeled MAJOR ALARMS (TB1)
and MINOR ALARMS (TB2) on the rear panel, see Figure 2-2, Figure 2-3, and
Figure 2-4.
Both terminals contain REMOTE, LOCAL, and AUDIO alarm connections. Three
contacts are provided for each ala rm: normally closed (NC), normally open (NO),
and common (COM). Refer to Figure 2-5 for terminal screw assignments.
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Making Electrical Connections
Figure 2-5. Alarm Connections
2. Connect office alarms to the REMOTE, LOCAL, and AUDIO terminals with
18 AWG (minimum) wire.
3. Verify that correct wiring connections have been made.
4. Reinstall the fuses.
Note: Using the NC connections results in an alarm when removing
the CPU module, which contains the alarm relays. It also allows for
alarming should a break occur in the alarm wiring.
In an alarm condition or loss of DC power, the contact between the
NO and COM closes and the contact between the NC and COM
opens.
Making Input Signal Connections
The TSG-3800 provides one 7-pin wire-wrap connector for each of the four Input
module slots (see Table 2-3 for slot assignments and Input Port labels) and can be
connected using Amp #640433-7 or equivalent 22 AWG shielded cable. The
TSG-3800E provides one female DB-9 connector for each of the four Input module
slots, and requires site-dependent custom EMC-compliant cable to be made.
Table 2-3. Input Port Labels
Slot Priority Label
1 Primary INP1
2 Secondary INP2
3 Auxiliary 1 INP3
4 Auxiliary 2 INP4
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Making Electrical Connections
Note: Input Port labeling on the rear panel of the TSG-3800 may
indicate the references used with previous software versions.
Installing the TSG-3800
The Wire Wrap headers/DB-9 connectors are designated J1 (PRI), J2 (SEC), J3
(AUX1), and J4 (AUX2). Figure 2-6 shows the pinouts for these connectors. Pin 1 of
each connector is connected to Ground and is usually connected to the cable shield
(sleeve). Tip 1 (+) and Ring 1 (–) are the signal input pins used by all Input modules,
and are the pins to which the external reference is connected. For 3-Port modules,
Tip 2 (+) and Ring 2 (–) are used for input port 2. Tip 3 (+) and Ring 3 (–) are used
for input port 3. Tip 2 (+) and Ring 2 (–) are used by the Clock Input module for
connecting an external Fault Signal; for example, Cesium PRS.
Figure 2-6. Signal Input Connections
Selectable input impedances are provided on the Input modules (see Table 2-4). A
BNC- to-WW connector, item number 12012421-000-0, is available for connecting
coaxial cable.
Table 2-4. Input Impedance Selections
Input Type Selections Default
DS1 Inputs 100 Ω
3.3 kΩ (for bridging)
E1 Inputs 75 Ω
120 Ω
3.3 kΩ (for bridging)
Clock Inputs 50 Ω 50 Ω
100 Ω
120 Ω
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Installing the TSG-3800
Making Electrical Connections
Note: Improper termination and cabling can cause pulse distortion,
which may result in excessive bipolar violations (BPVs) or other
problems.
The input can also come from a DSX monitor jack. When coming from a monitor, an
internal amplifier increases the signal amplitude. The TSG-3800 is shipped with the
amplifier disengaged. You must set a jumper on the Input module to activate the
internal amplifier. Instructions for setting jumpers are found in Chapter 5, Input
Modules. Figure 2-7 illustrates three typical input connections.
Figure 2-7. Typical Input Signal Interfaces
Making Output Signal Connections
Several different output modules are available for the TSG-3800 series, each with
its own requirement for signal termination. Chapter 7, Output Modules, describes
each of these modules in detail. The Specifications table for each module includes
the required termination as well as other specifics for individual module outputs.
If an output is connected to one input on the receiving equipment, the input
impedance should be equal to the required termination impedance for t hat signal. I f
two or more input ports are driven by one output, the input impedance for all of the
inputs connected must equal the required te rmination impedance for the output. For
best results, the terminated input port should be at the end of the line.
The signals generated by the output modules in slots 18 and 19 go to J7 on the rear
panel, and those generated by the modules in slots 20 and 21 go to J8 (on the rear
panel) of a 19-inch shelf. On a 23-inch shelf, slots 22 and 23 go to J9 and slots 24
and 25 go to J10. Tip and ring contacts are paired on opposite contacts (Ring =
1–20 and Tip = 26–45). Figure 2-8 illustrates the connector. Contacts 21 through 25
and 46 through 50 are frame grounds. For example, a typical mating connector is
Cinch #57-10500 or AMP #3-229912-1.
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Making Electrical Connections
Figure 2-8. Output Signal Connectors, Rear View
Installing the TSG-3800
Making Monitor Connections
Some modules provide Bantam jack monitor outputs on their front panels. Refer to
the module descriptions in Chapter 5, Input Modules, Chapter 6, CPU, Frame
Generator, and Clock Modules, and Chapter 7, Output Modules for details.
Making Power Connections
Perform the following steps to apply power to the TSG-3800:
1. Ensure all fuses are removed.
For the TSG-3800 19-inch and TSG-3800 23-inch shelves, the fuses are located
above the POWER terminal block as shown in Figure 2-2 and Figure 2-3. Power
A is controlled by fuses F1 and F3. Power B is controlled by fuses F2 and F4.
For the TSG-3800E 19-inch shelf, the fuses are located below the POWER
terminal block, as shown in Figure 2-4.
2. Locate the POWER terminal block and make the connections using 16 AWG
(minimum) stranded wire.
3. Connect primary power to the POWER A terminals and the secondary power to
the POWER B terminals. A #6 spade lug termination for each power lead is
recommended. Figure 2-9 illustrates the TSG-3800 power connectors.
4. Measure the voltage at POWER A and POWER B (if used) and verify that it
measures from –38 to –72 volts DC (–48 vDC nominal). The inputs are protected
against reverse polarity.
5. Using a digital voltmeter, measure between ground and chassis and verify that
no voltage potential exists between them.
6. Insert the modules as described in
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Installing and Removing Modules
, on page 61.
Page 59
Installing the TSG-3800
Making Electrical Connections
7. Insert the fuses, see Figure 2-10. This powers up the shelf
Caution: For continued fire protection, replace fuse with specified
type and rating. Fuse: GMT-5 (5A @ 60vDC). This unit must be
grounded. Refer all servicing to qualified personnel.
8. Verify that all modules are receiving power; their POWER indicators are green.
Check that the RUN indicator on the CPU module is green.
9. To ensure that both power inputs are valid, verify that the amber POWER
indicator on the front of the CPU module is off; see Figure 6-1 for its location. If
the POWER indicator is on, check the power inputs. This indicator lights if one of
the power inputs is not present or malfunctioning.
Figure 2-9. Power Connections
Figure 2-10. Fuse and Power Connection Details
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Making Electrical Connections
Installing the TSG-3800
EIA-232 Communications
An EIA-232, 25-pin, D-style connector is located on the rear panel of the TSG-3800
main shelf to allow connection to a terminal. This connection is for remote
monitoring and control of the unit. From the connector to the terminal, use a
shielded cable with the shield connected to pin 1 of that connector.
The port may be configured as Data Terminal Equipment (DTE) or Data
Communications Equipment (DCE). The default configuration is DCE, where the
instrument is connected to a PC. The port may also be configured as DTE, when
the unit is connected to a modem.
An EIA-232 25-pin D-style connector is also located on the CPU front panel to allow
connections to a terminal. This connection is for local monitoring and control of the
unit and is a DCE configuration only.
Note: The DCE setting allows direct connection of the unit to a
standard PC communication port using a 1:1 cable. The DTE
setting requires a null modem cable. If connecting to a modem, use
DTE.
The default EIA-232 settings for the serial ports is 9600 baud, no parity, 8 data bits,
1 stop bit, echo on, ASCII mode, and handshaking disabled. To change these
settings, the operator must first connect to a terminal device or PC using a serial
communications program as described in Establishing Communications, on page
308. The port retains the new settings until the user changes them.
Ethernet Communications
The Ethernet connection is designed for 10Base-T communication. Table 2-5 lists
the Ethernet connector for each model of TSG, Table 2-6 lists the pin assignments
for the connectors, and Figure 2-1 1 shows the Ethernet connector pin numbers. The
RJ45 is a standard 10Base-T connector. Before using the Ethernet connection, you
must configure the TSG-3800 internet protocol (IP) address, gateway, and mask
using the serial port. See Setting Ethernet Parameters, on page 318, for procedures
and more information.
Note: Before connecting to Ethernet communications, the user
must log into the unit through the serial port and configure the IP
address, gateway and subnet mask. See Setting Ethernet
Parameters, on page 318.
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Installing the TSG-3800
Making Electrical Connections
Table 2-5. Ethernet Connectors
Model Connector
3800 19-inch Shelf J13
3800 23-inch Shelf J14
3800E 19-inch Shelf J5
Table 2-6. Ethernet Connector Pin Assignments
Function Pin
Tx+ 1
Tx- 2
Rx+ 3
Not Used
Not Used
Rx- 6
Not Used
Not Used
Figure 2-11. Ethernet Pin Numbers
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Installing and Removing Modules
Installing the TSG-3800
Local Oscillator Outputs
Local Oscillator outputs on the rear panel of each shelf provide the unadjusted
10 MHz output from the Clock module oscillators for use with external global
positioning satellite (GPS) receivers. These outputs are not frequency adjusted;
rather they provide stable clock signals for the GPS receiver. Table 2-7 shows the
pinouts for each TSG-3800 model.
Table 2-7. Local Oscillator Output Connector Pins
Model Connection
3800/3800E 19-inch Shelf
3800 23-inch Shelf J13 and J15
J11 and J12
Installing and Removing Modules
This section describes how to properly handle, install, and remove modules from
any TSG-3800 series shelf.
Properly Handling the Modules
The following should be considered when handling modules.
Use removal tool (item number 00478507-000-1) if available.
Use proper static control precautions when handling modules.
Protect the equipment against ESD by using a grounded protective wrist strap
and normal equipment grounding.
Two frame grounding lug s, one on each front mounting b racket of the TSG-3800,
provide the ground connection for the protective wrist straps.
Avoid touching component leads and the module’s edge-connector.
Avoid laying the module on an ungrounded surface.
Avoid touching the module to an insulated surface.
Slot Location and Keyed Modules
Locate the slot or slots allocated for the type of module being inserted. Modules are
keyed to prevent inserting into the wrong locations. Figure 2-12 illustrates the
TSG-3800 main shelf and slot locations.
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Installing the TSG-3800
Installing and Removing Modules
Figure 2-12. TSG-3800 19-Inch Module Slot Locations
The shelf slots are keyed according to Table 2-8.
Table 2-8. Module and Slot Guide Key
Module Type Slot Numbers
Input Modules Slots 1–4
CPU Module Slot 5
Clock Modules Slots 6–15 (6–10 and 11–15) are grouped together;
Clock modules are 5 slots wide
Frame Generator Modules Slots 16 and 17
Distribution Modules Slots 18–21 for 19″ shelf
Slots 18–25 for 23″ shelf
Note: When using two different quality oscillators (for instance,
Stratum 2E and Stratum 3E), always install the higher quality
oscillator in slots 6–10.
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Installing and Removing Modules
Installing the TSG-3800
Installing Modules
The installation procedure is common for all modules. Some modules require the
operator to set or verify jumper positions. Refer to Chapter 5, Input Modules,
Chapter 6, CPU, Frame Generator, and Clock Modules, and Chapter 7, Output
Modules for any other precautionary or special instructions for the modules you are
installing.
Note: Modules can be installed and removed while system power is
applied unless otherwise indicated.
To install a module:
1. Align the module card edges with the plastic card guides of the selected slot.
2. Slide the module evenly into the TSG-3800 Main shelf until it seats fully into the
connector on the Interconnect Board.
3. Tighten the retaining screws located at the top and bottom of the module’s front
panel.
Caution: To avoid damage to the modules, be sure to completely
insert the module into the Interconnect Board and securely tighten the
retaining screws. A partially inserted module can easily become
damaged.
Removing a Module
The removal procedure is common to all modules. Always use proper handling
techniques when removing the modules. Refer to Chapter 5, Input Modules,
Chapter 6, CPU, Frame Generator, and Clock Modules, and Chapter 7, Output
Modules for any other precautionary or special instructions for the modules you are
removing.
To remove a module from the shelf:
1. Loosen the retaining screws located at the top and bottom of the modu le. Ensure
that these screws are completely disengaged from the shelf.
2. If the removal tool (item number 00478507-000-1) is available, insert it onto the
shafts of the retaining screws and pull firmly and evenly to remove the module.
If the removal tool is not available, grasp the retaining screws and pu ll firmly an d
evenly at the top and bottom of the module until it is completely out of the unit.
3. Replace an open slot with another module or with a blank filler slot (item number
10977120-000-0) to minimize electromagnetic interference.
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Installing the TSG-3800
TSG-3800 Expansion Shelves
TSG-3800 Expansion Shelves
This section describes the available expansion shelves and covers the installation
and initial testing of the TSG-3800X 19-inch shelf, the TSG-3800X 23-inch shelf,
and the TSG-3800EX 19-inch shelf. Unless otherwise noted, all units are referred to
as the TSG-3800X.
Description
The Expansion shelf provides additional signal distribution for the TSG-3800 se ries.
The TSG-3800X is an aluminum chassis equipped with card guide slots for plug-in
modules. The rear of the Main shelf provides connections for input, power, and
output signals. The Main shelf performs all logic and control functions. Timing and
monitor signals transfer between shelves through an interconnecting cable
assembly.
Note: When you install an expansion shelf, note that the maximum
length of cable available for connecting the main shelf to the
expansion shelf is six feet (1.8 m).
Output Modules
The TSG-3800X 19-inch shelf and the TSG-3800EX 19-inch shelf accepts up to 18
Output modules (in nine redundant pairs) providing 180 outputs (20 outputs per
module pair). Output signals are on nine 50-pin connectors located on the rear
panel. Figure 2-13 illustrates the TSG-3800X 19-inch shelf. The TSG-3800X
23-inch shelf can contain two additional pairs of Output modules with 40 additional
outputs, for a total of 220 outputs. Figure 2-14 illustrates the TSG-3800X 23-inch
shelf, and Figure 2-15 illustrates the TSG-3800EX 19-inch shelf.
Timing Insertion Modules
The TSG-3800EX may also be used to house Timing Insertion modules (TIMs). A
TIM may be inserted in one slot of any output pair and the TIM Bypass Relay
assembly in the adjacent slot. Timing signals for the TIM are provided by the
TSG-3800 Main shelf. Input and Output connections for the TIM are on the 50-pin
connectors located on the rear panel of the Expansion shelf. For more information,
refer to Timing Insertion Module, on page 279.
Expansion Shelf Power Monitor
An optional module, the Expansion Shelf Power Monitor, allows for independently
reporting power loss alarm conditions. This plug-in module:
Provides visual indication of A and B power
Provides form “C” alarm relay closures upon power loss (Major alarm for loss of
A and B power; Minor alarm for loss of A or B power)
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Installing the TSG-3800
TSG-3800 Expansion Shelves
Allows user to wire alarm contacts (Major and Minor) to an external alarm panel
or monitoring system through a wire-wrap adapter (item number 551306-0049,
included)
Requires no out-of-service modifications for installation
Occupies space normally used by an output module pair (the module uses a
single slot with an adjacent slot covered by a blank filler panel (item number
10977120-000-0)
Figure 2-13. TSG-3800X 19-Inch Expansion Shelf, Front View
Figure 2-14. TSG-3800X 23-Inch Expansion Shelf, Front View
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Installing the TSG-3800
TSG-3800 Expansion Shelves
Figure 2-15. TSG-3800EX 19-Inch Expansion Shelf, Front View
Installing the Expansion Shelf
The TSG-3800X can be mounted on a standard 19-inch or 23-inch instrument rack.
Power and signal connections are through rear panel connectors. This section
provides instructions for installing the TSG-3800X.
Considerations
The expansion shelf occupies 10.5 inches (26.7 cm) of vertical rack space and a
depth of 12 inches (30.5 cm). A 1RU (1.75 inch) space is recommended but not
required when installing more than one TSG-3800 shelf.
Note: When you install an expansion shelf, note that the maximum
length of cable available for connecting the main shelf to the
expansion shelf is six feet (1.8 m).
Procedures
1. The expansion shelf mounts flush to the rack or at dist ances of two inches or five
inches from the front of the rack. Attach a mounting bracket (0047 6807-xxx-1) to
each side of the shelf. Align two columns (three holes per column) of the bracket
with the holes on the side of the shelf. Use 4-40 x 18LG screws for attaching the
mounting bracket. Ensure to attach both brackets at equal distances from the
front of the unit, as shown in Figure 2-1.
2. Mount the expansion shelf to the front of the rack rails with eight sets of #10
screws, flat washers, and locking washers. The hardware attaches to the rack
through the slots located on the front of both mounting brackets (four slots per
bracket).
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Figure 2-16. TSG-3800X 19-Inch Expansion Shelf, Rear View
Installing the TSG-3800
TSG-3800 Expansion Shelves
Figure 2-17. TSG-3800X 23-Inch Expansion Shelf, Rear View
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Installing the TSG-3800
TSG-3800 Expansion Shelves
Figure 2-18. 3800EX Expansion Shelf, Rear View
Making Ground Connections
After the TSG-3800X is installed in a rack, the shelf must be connected to a proper
earth ground.
1. Run a cable from the frame ground (J10) lug to earth ground.
Keep this cable as short as possible. Frame ground connections are made using
the #8-32 stud labeled FG/J10 on the lower left corner of the rear panel.
Note: The TSG-3800EX is shipped with a terminal jumper that
connects Frame Ground (FG), which is also called chassis ground, to
Logic Ground (LG), which is also called signal ground. These jumpers
are located in the lower left corner of the rear panel. To isolate these
two grounds, this jumper must be removed. Once the connections to
LG have been opened, secure the jumper to the rear panel by
tightening the FG screw. If desired, the LG terminal may be used to
connect a separate LG cable.
2. Using a digital voltmeter, measure between ground and chassis and verify that
no voltage potential exists between them.
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Installing the TSG-3800
TSG-3800 Expansion Shelves
Making Power Connections
To connect power to the expansion shelf, perform the following steps:
1. Remove PWR A and PWR B fuses from the rear of the expansion shelf.
2. Locate the POWER terminal block. Connect the ‘A’ power feed to the POWER A
terminals. Connect the ‘B’ power feed to the POWER B terminals.
3. Measure the voltage from each –48 vDC to GND (of the Expansion shelf) and
verify the proper level and polarity exists. There is reverse polarity protection for
each input.
4. Measure between ground and chassis and verify that no voltage potential exists
between them.
5. Insert the modules using the procedure in Installing Modules, on page 63.
6. Insert the PWR A and PWR B fuses and verify that all modules are receiving
power by checking that their POWER indicators are lit.
Main Shelf and Expansion Shelf Cabling
The expansion shelf receives input signals from the TSG-3800 Main Shelf through a
cable assembly (see Appendix A, Part Numbers for a list of parts for the TSG-3800
and TSG-3800E). Refer to Figure 2-19 for the following example. Using the cable
assembly, you can connect the expansion shelf connector J1 to the 19-inch Main
shelf connector J9, or J1 1 on the 23-inch Main Shelf. If you are connecting a second
19-inch Expansion Shelf, connect from the first expansion shelf connector J11 to the
second shelf connector J1. With 23-inch shelves, connect the first 23-inch shelf
connector J13 to the second shelf connector J1. Table 2-9 lists the connections
required between shelves.
Table 2-9. Expansion Shelf Connections
TSG-3800 19-Inch Shelf TSG-3800 23-Inch Shelf TSG-3800E 19-Inch Shelf
FROM
Shelf/
Connector
Main J9 Expansion #1 J1Main J11 Expansion #1 J1Main/J9 Expansion J1
TO
Shelf/
Connector
FROM
Shelf/
Connector
TO
Shelf/
Connector
FROM
Shelf/
Connector
TO
Shelf/
Connector
Expansion
#1 J11
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Expansion #2 J1Expansion
#1 J13
Expansion #2 J1Bus Termination: Install on
J11 of Expansion shelf
Page 71
Installing the TSG-3800
TSG-3800 Expansion Shelves
Note: A black line on the ribbon cable identifies pin 1. Be sure to
insert each cable connector with pin 1 connecting with pin 1 of the
main or expansion shelf connector.
Figure 2-19. Expansion Shelf Inter-shelf Connections
EMC Expansion Shelf Cabling
The TSG-3800EX Expansion shelf receives input signals from the TSG-3800E
through a cable assembly supplied with the expansion shelf. Remove the Bus
Termination assembly from connector J9 on the TSG-3800E and install it on J11 of
the TSG-3800EX (if it is the last in the daisy chain). Install the Cable Assembly
between connector J9 on the TSG-3800E and connector J1 on the TSG-3800EX.
Figure 2-20 illustrates the TSG-3800E and TSG-3800EX inter-shelf connections.
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Installing the TSG-3800
TSG-3800 Expansion Shelves
Figure 2-20. EMC Expansion Shelf Inter-shelf Connection
Terminating the Bus Connector
If you are using only one expansion shelf, insert the Bus Termination PCB Assembly
(item number 10376838-000-0) into connector J11 on 19-inch Expansion Shelf, or
J13 on 23-inch Expansion shelf. If you are using two expansion shelves, insert the
Bus Termination PCB into J11 on 19-inch shelf, J13 on 23-inch shelf of the second
expansion shelf.
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Installing the TSG-3800
TSG-3800 Expansion Shelves
J9 of 19-inch or J11 of 23-inch (Main Shelf) to J1 (Expansion Shelf) pin connections
are 1 to 1 as are J11 on 19-inch or J13 on 23-inch (Expansion Shelf #1) to J1
(Expansion Shelf #2). Refer to Table 2-10 for pin assignments. All unlisted pins are
ground connections.
Table 2-10. Pinout for Inter-Shelf Connection
Pin Function Description
2 AIF Ch A Input Fault
4 BIF Ch B Input Fault
6 OF Output Fault
8 A/NB Ch A/Ch B Enabled
12 D4PB DS1 Ch B Positive
14 D4NB DS1 Ch B Negative
18 CCPB Comp Clock Ch B Positive
20 CCNB Comp Clock Ch B Negative
24 D4PA DS1 Ch A Positive
26 D4NA DS1 Ch A Negative
30 CCPA Comp Clk Ch A Positive
32 CCNA Comp Clk Ch A Negative
36 CLK1 Clock 1 ‘B’ Signal
38 CLK1 Clock 1 ‘A’ Signal
42 CKFB Clock Fault ‘B’ Signal
44 CLK2 Clock 2 ‘B’ Signal
46 CLK2 Clock 2 ‘A’ Signal
48 CKFA Clock Fault ‘A’ Signal
50 FAULT CLR Fault Clearing Line
Note: All unlisted pins are ground connections
Shelf Alarms
Alarm relays are on the rear of the TSG-3800 Main shelf. Faults that occur on a
module in an expansion shelf are routed back to the CPU module located in the
TSG-3800 Main shelf.
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Page 74
Making Output Signal Connections
The output signals are available at the 50-contact connectors, J2 through J10, on a
19-inch rear panel and J2 through J12 on a 23-inch rear panel. Tip and ring contact
pairs are on opposite contacts (Ring = 1-20 and Tip = 26-45). Contacts 21 through
25 and 46 through 50 are shield grounds. Refer to Chapter 7, Output Modules, for
additional connection details for the specific Output modules being used.
Installing Modules
The first three slots in the TSG-3800X, starting from the left, must be covered with
blank filler panels (item number 10977120-000-0). Insert Output modules starting
with the fourth slot, in matched pairs. Therefore, slots 4 and 5 must cont ain identical
Output modules, slots 6 and 7 must contain identical Output modules, slots 8 and 9
must contain identical Output modules, and so forth. To properly install these
modules, refer to Installing Modules, on page 63.
Input/Output Adapter Panels
Installing the TSG-3800
Input/Output Adapter Panels
A variety of connector panels are available to adapt the 50-pin input/output (I/O)
connectors on the TSG-3800 series shelves to individual wire-wrap or balun
connectors for attaching to the customer’s system.
Note: Distribution panels can be located at various distan ces from the
shelf depending on the type of output signal being used. See
2-11
for signal type and the maximum cable len gth you can use when
installing distribution panels.
Table 2-11. Distribution Signal Maximum Cable Length
Output Signal Maximum Cable Length
T1 655 feet
E1 655 feet
CC 1500 feet
RS-422 150 feet
Table
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Installing the TSG-3800
Input/Output Adapter Panels
The input signal connections to the TSG-3800 shelves are grouped by input card
slots; you make connections through seven position wire-wrap terminals. Output
signals and the TIM I/O signals are accessible on female 50-pin connectors on the
rear panel of the units. Each redundant pair of output modules uses 20 pairs (tip &
ring) of pins; the remaining 10 pins are common shield connections. The TIM I/O
connections are on four pairs of the 50 pins for East and West input and output.
Selection of the proper wire-wrap panel and interconnecting cables depends on the
installation configuration and customer preferences.
The 19-inch and 23-inch Output Panels developed for use with the TSG-3800 series
are shown in Figure 2-21.
Figure 2-21. 19- and 23-Inch Output Panels
Installing the Panels
No power connections are required to install the wire-wrap panel assembly.
The 23-inch panel occupies 4.25 inches (108 mm) of vertical equipment rack space.
Attach the 4.25
with four screws, two screws on each side.
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× 23-inch (108 mm × 584.2 mm) panel to a 23-inch equipment rack
Page 76
Installing the TSG-3800
Input/Output Adapter Panels
Mount the panel in the equipment rack by performing the following steps.
1. Position the panel against the equipment rack directly above the associated tie
bar. The cable tie bar and panel requires three rack units (3RU). One rack unit
equals 1.75 inches (4.45 cm).
2. Attach the panel to the equipment rack with four screws and associated
hardware. Ensure that the screws mate with the equipment rack into which you
install the panel.
After installing the panel, secure and protect the cables on the panel. Follow the
instructions below, and use the cable support bar, item number 00112914-000-1,
and the appropriate screws.
Making Output Signal Connections
The telecommunication output signal connectors located on the p anel, item number
010-076, are arranged in ten groups of pins that cross-connect with as many as five
connectors, item number 551026-0032. Each group of pins is divided into two pairs
of tip and ring wire connections.
Table 2-12. Input and Output Cross-Connection Signals for Connectors
Groups 2, 4, 6, 8, and 10 Groups 1, 3, 5, 7, and 9
Tip Pin Ring Pin Tip Pin Ring Pin
T1 26 R1 1 T1 36 R1 11
T2 27 R2 2 T2 37 R2 12
T3 28 R3 3 T3 38 R3 13
T4 29 R4 4 T4 39 R4 14
T5 30 R5 5 T5 40 R5 15
T6 31 R6 6 T6 41 R6 16
T7 32 R7 7 T7 42 R7 17
T8 33 R8 8 T8 43 R8 18
T9 34 R9 9 T9 44 R9 19
T10 35 R10 10 T10 45 R10 20
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Installing the TSG-3800
Input/Output Adapter Panels
Figure 2-22. Channel Output Signals for Panel and Connectors
Installing the Cable Support Bar
After installing the panel, secure and protect the cables on the panel. Perform the
following steps and use the supplied cable support bar (item number
00112914-000-1) and all necessary screws to install the cable support bar on the
equipment rack. Figure 2-23 shows a completed installation.
1. Align the holes in the bar with the holes on the equipment rack located
immediately above the unit or resident panel.
2. Fasten the bar to the side of the equipment rack using the screws and lock
washers provided.
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Installing the TSG-3800
Input/Output Adapter Panels
Figure 2-23. Cable Support Bar Detail
Routing Cables
Use all five cable connections to connect cables from the panel assembly to the
expansion shelf. Use only the four cable connections to connect from the panel
assembly to the main shelf. Figure 2-24 is an example of installed cables from the
panel assembly that are tied to the cable bar.
Figure 2-24. Installed Cables from the Panel Assembly
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Installing the TSG-3800
Input/Output Adapter Panels
Connecting Client Equipment to the Wire Wrap Panel
When connecting client equipment, follow these guidelines.
Eliminate cross-talk by keeping wire pairs twisted.
Use the grounding scheme approved for the installation.
Symmetricom recommends that you follow all local operating practices when
connecting wires and client equipment.
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Chapter 3 Operating the TSG-3800
The TSG-3800 family of timing signal generators is controlled primarily by software
command. This chapter provides detailed information and procedures th at help you
to provision the operating parameters of the TSG-3800 to meet specific
requirements.
Note: To download and install new system software, refer to
Installing New System Software, on page 321.
In This Chapter:
Communications Settings
User List and Access Levels
Selecting the Input Reference Signal
Setting Up Input Reference Controls
Viewing Alarm Conditions
Provisioning the Clock Modules
System Commands
Default Parameter Values
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Operating the TSG-3800
Communications Settings
Communications Settings
TSG-3800 operation is automatic. Once you provision the operating parameters,
the unit provides outputs. If you change parameter values, or if an event such as an
input failure occurs, the changes are recorded in an event log. In addition, alarms
are provided to make the operator aware of any fault conditions.
Operating limits are preset to factory default values when shipped, but can be
changed by the operator through software control. See Default Parameter Values,
on page 108, for a complete listing of default values. The new settings reside in
non-volatile memory until changed again, or until you reset them to factory-default
or user-default levels.
Note: You can save the current configuration as user-defined
defaults. The user-defined defaults are stored in battery- backed
RAM, and are separate from the factory defaults and operating
defaults.
Individual modules contain front panel indicators and monitor connectors. Refer to
the appropriate chapters in this guide for a complete description of each module.
There are two EIA-232 communication ports available: COMM A is located on the
CPU module, COMM B is located on the rear panel of the shelf. An optional
10BaseT Ethernet port is also located on the rear panel. These ports allow data
transfer between the TSG-3800 and a terminal. Each port can be configured
independently. Refer to EIA-232 Communications, on page 59, for details on
making connections to the ports.
The default EIA-232 communication settings are 9600 baud, no parity, 8 data bits, 1
stop bit, echo on, ASCII mode, and handshaking disabled. To change these
settings, connect a terminal device using this protocol. The ports are set to DTE,
allowing direct cables to connect to IBM compatible PCs. To change these settings,
see Section 9.4.1, Provisioning EIA-232 Parameters, on page 298.
Ethernet Settings
The TL1 mode allows two sessions on port 4000, Passthru mode allows one
session on port 4200, and a telnet session allows four sessions on port 23.
However, you must have an Ethernet connection and set up the Internet Protocol
settings (IP address, gateway address, and the subnet mask) through an EIA-232
port before using any of these modes. The networking parameters must be set
before network communication is possible. The IP address is the unique address for
the device. The gateway address is the default gateway address. This allows the
unit to access other networks. The subnet mask is the mask for the network class.
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To change the Ethernet settings, see Setting Ethernet Parameters, on page 318.
Once the settings are complete, you can use a terminal emulation program to telnet
into the IP address and log in using a user name and password.
Setting Time and Date
Set the time and date using the terminal equipment. If you do not set the time, the
TSG-3800 defaults to a known time. To change the date and time settings, see
Setting the Time and Date, on page 319.
User List and Access Levels
The TSG-3800 software provides for four levels of users:
Administrator or System (Level 4)
Supervisor (Level 3)
Operating the TSG-3800
User List and Access Levels
Technician (Level 2)
User (Level 1)
Each level provides a different amount of access to and control of the unit. Logging
in at the Administrator level allows you to assign user levels and passwords to
people who need access to the unit. The TSG-3800 stores this list of users and their
passwords in non-volatile memory. You can also modify the user list and execu te all
commands, including commands that affect system performance, for inst ance, clock
operating mode. The Supervisor level allows you to execute all commands except
for saving the user configuration. The Technician level allows you to perform basic
configuration commands. The User level only allows execution of non-critical
commands.
If you do not define a user list, the TSG-3800 accepts all commands from anyone
who connects to the unit.
For information and procedures on managing the user list in the TSG-3800, refer to
Setting Up User Accounts, on page 312.
Logging In
Logging in to the TSG-3800 is only required when a system administrator has
added users to the system. Initially, to add users you must physically connect to the
TSG-3800. Refer to EIA-232 Communications, on page 59, for details on making
connections to the ports. Once a connection is established, a user must log in to
access the system. To log in at the system prompt:
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Operating the TSG-3800
Selecting the Input Reference Signal
1. Type «username» then press Enter. A prompt appears asking for th e p asswo rd.
2. Type
«password» then press Enter. The system prompt appears. You can enter
commands at the system prompt.
Logging Out
The TSG-3800 automatically disconnects and logs you out if you do not enter a
command within the “timeout” period. The default timeout period is five minutes.
After this period, you must log in again.
To stay logged in without issuing a command, press Enter periodically.
To disable automatic logout, type:
DISABLE LOGOFF A|B then press Enter
To log out manually, type:
BYE then press Enter
Selecting the Input Reference Signal
The TSG-3800 Main shelf provides slots for four Input modules, and it supports up
to 12 separate input reference signals. After you connect the input signals
(described in Making Input Signal Connections, on page 54), you must provision the
shelf for selecting the signal to be used. This section describes the parameters you
use to select the input signal; Setting Up Input Reference Controls, on page 87,
describes how to provision the input signal.
There are several software-settable p arameters that af fect the selection of the input
signal to be used as the TSG-3800 reference. These include input signal fault
thresholds, frequency and MTIE limits, priority assignments, and synchronous
status message (SSM) settings. The reference selection can be done by priority,
SSM, or by selection of the best input. Software settings also allow for revertive or
non-revertive selection, or manual selection only.
When changing input references, the phase is always reset to zero in so ftware, and
tracking proceeds with the new reference. The TSG-3800 does not follow phase
differences between input signals as this would cause transient frequency
excursions. Phase build-out will not create frequency or MTIE alarms, and will not
affect the output signals.
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Selecting the Input Reference Signal
Operating the TSG-3800
Input Signal Faults
The input signal and measurement data is checked for errors each second. If no
errors are found, the input is considered valid and may be selected as the refer ence
input. Loss of Signal (LOS), Alarm Indication Signal (AIS), Bi-Polar Violations
(BPV), Cyclic Redundancy Check (CRC) errors, and Out of Frame (OOF)
occurrences can be used to disqualify an input signal for use as a reference. Timers
are used for each of these occurrences, where the number of seconds before an
input fails and for the number of error-free seconds required before the input is
qualified. Table 3-6 lists the timer ranges and default values for input errors, as well
as the default alarm condition.
When the error timer is exceeded, the fault condition can be set to FAIL the input,
generate an ALARM but not F AIL the input, REPOR T the condition only, or IGNORE
the condition. LOS and AIS are set to FAIL, and BPV, OOF, and CRC are set to
ALARM by default.
Detecting Input Errors, on page 330, describes how to display and to set the timer
ranges and the alarm conditions for each of the input signal errors.
Maximum Time Interval Errors (MTIE) and Frequency errors may also cause input
signal faults when exceeding the set thresholds, set in nanoseconds. There are two
limits, L1 and L2, for each condition at 100, 1000, and 10000 Second time periods
which may be set to the FAIL, ALARM, REPORT, or IGNORE mode. When a FAIL
limit has been exceeded on an input, it is no longer valid for use as a reference
signal. Limit (L1) for both, MTIE and FREQ, is set to FAIL and Limit 2 (L2) is set to
ALARM by default. Setting these limits too small may cause all inputs to fail, placing
the unit in Holdover mode.
Provisioning MTIE and Frequency Parameters, on page 334, describes how to
display and to set the alarm limits for MTIE and FREQ errors.
Priority Level
The TSG-3800 never selects a failed input as a reference. The provisioned Priority
level assigned to each input port controls selection of valid input signals. The
assigned priority ranges from 1 (highest) to 4 (lowest), or 0 for monitor only. The
priorities default to the module slot number for port 1, with ports 2 and 3 of the
3-Port modules set to Monitor. A module port may also be disabled so that no
alarms or events are reported for that input and no data is collected. An input set to
Monitor continues to collect and store data, generate alarms or reports (depending
on fault setting), but it cannot be selected as a reference signal.
A set threshold of zero in both the MTIE and Frequency limit settings disables the
alarm limit (sets it to ignore).
For information on the syntax for provisioning the Priority level, refer to Input
Command, on page 350.
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Operating the TSG-3800
Selecting the Input Reference Signal
Synchronization Status Messages
Synchronization Status Message (SSM) provisioning is a dual purpose setting.
When using the Automatic SSM Mode setting on the inputs, it may be used indicate
the SSM quality level for signals that are SSM-capable. This setting may also be
used in conjunction with the SSM Alarm Mode parameter to indicate that the
received SSM is below this provisioned SSM. When using the Provisioned SSM
Mode, the Input SSM is set to Stratum Unknown (STU) or default. The input ports
default to STU Provisioned SSM. You can provision the input to be ST1 (stratum 1
or PRS), STU, ST2 (stratum 2) or ST3 (stratum 3); this assigns a minimum level for
that input port, which can be used to inform the user that the received SSM is below
this level.
For inputs that are not receiving SSMs, the provisioned SSM may be transmitted by
the TSG-3800 if the input is selected as the reference. The action taken by this
event is user defined to IGNORE, REPORT, ALARM (set minor alarm) or FAIL
(invalid input). The provisioned level may also be used when input signals do not
have received SSM to pass to SSM to provide the output SSM when that input is
selected as reference.
Table 3-1 contains the accepted T1 and E1 standard SSM definitions.
Table 3-1. Standard SSM Definitions
SSM Description SQL T1 E1 Abbreviation
Stratum 1 1 $04 $2 PRS
Traceability Unknown 2 $08 $0 STU
Stratu m 2 3 $0C $4 ST2
Stratu m 3 4 $10 $8 ST3
Sonet Minimum Clock 5 $22 SMC
Stratum 4 6 $28 ST4
Don't Use For Sync 7 $30 $F DUS
Reserved UA $40 RES
SSMs and Input Modules
Certain Input modules can read received SSM which provides a Sync Quality Level
(SQL) indication for the signal. You may provision an SSM for each port and set the
fault condition to IGNORE, REPORT, ALARM, or FAIL if the received SSM is below
the provisioned value. The input signal is checked each second for a valid SSM,
and if none is received in the last second the module provides the provisioned
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Selecting the Input Reference Signal
Operating the TSG-3800
value. The operator may also set the port to disregard the received SSM and always
output the provisioned SQL. The SQL received or provisioned is passed to the
frame generators for determining the output SSM when in Locked mode. If inputs
are not receiving SSMs and are provisioned below the selected clock’s stratum
level, the clock enters holdover.
SSMs and Clock and Frame Generator Modules
The Clock modules compare their holdover SQLs to the reference SQL. If the clock
SQL is better than the reference SQL, the clock enters holdover. If the reference
SQL is equal to or better than the clock SQL, the clock operates normally.
When an input has been provisioned to SSMs On or SSM Mode Auto, the
TSG-3800 determines if a received SSM is a valid SQL. The TSG-3800 interprets
the SQLs listed in the SQL table (Table 3-1); any other SSM is considered
unrecognized. According to GR-378, if an input has been re ceiving a valid SSM and
then receives an invalid SSM, the input fails. When a valid SSM is received and
re-qualified, the fault automatically clears. However, if the SSM remains invalid and
the signal is ESF or E1, the operator can clear the alarm using the “Input #.# SSM
Mode Auto” command.
The Frame Generators take the input SQL from the reference input an d convert it to
the appropriate SSM for output. The operator may override this by placing the
framer in manual mode and then entering the output SSM directly (both T1 and E1).
If the Clock module associated with the Frame Generator is in holdover, the Frame
Generator outputs the clock’s holdover SQL. With the bypass Frame Generator (PN
23478486-000-0) and backplane, when both clocks are in warmup or have failed
and the SSM is set to STU, the signal from input 1.1 or 2.1.1 can be used to
generate the output.
If the received T1 SSM does not have an E1 match, the E1 Frame Generator
outputs the Stratum Unknown (STU) message. The operator should be able to
provision the input to PRS, STU, ST2, and ST3.
Selecting the Reference Selection Mode
The TSG-3800 can choose input references using one of three modes:
Priority – bases the reference selection on the port’s provisioned priority.
Secondary criteria is the SSM information.
SSM – bases the reference selection on received or provisioned SSM, then
priority and position.
Best – bases the reference selection on the weight derived from the input
stability calculations. Secondary criteria are the priority and SSM information.
Priority Mode
In Priority Mode, the provisioned Priority is the first criteria when selecting a
reference.The selection order is as follows:
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Operating the TSG-3800
Selecting the Input Reference Signal
Priority
SQL
Position
The primary selection criteria is the input signal priority level described in Priority
Level, on page 83. The system selects the highest priority level (1-4). The selection
order proceeds from highest priority to lowest priority. When two or more input
signals have identical priority levels and the levels are the highest priority setting,
the system uses the signal with the highest Synchronous Quality Level (SQL). SQL
is the hierarchy the TSG-3800 assigns to the SSMs (provisioned or received). If the
SQL is the same for all input signals, then the Input module in the lowest slot
number (increases from left to right in the shelf) is used. If a three-input Input
module is installed, then the lowest valid input channel is used.
If no input is error-free, the input with the least severe errors (but not failed) is
selected. If no input signal is valid, then no input will be selected and the TSG-3800
switches to Holdover mode operation.
Setting the Input Reference Selection Mode, on page 327, de scribes how to set the
priority mode of operation. The syntax for setting the priority for an input is
described in Input Command, on page 350.
SSM Mode
In SSM mode, the input SQL is the first criteria when selecting a reference.The
selection order is as follows:
SQL
Priority
Position
The SQL comes from the SSM in the input signal or from the provisioned value. If
the Clock SQL is higher than the input SQL, then the inp ut will be passed over when
selecting the reference. Otherwise, the SQL is used only to distinguish between
references with the same priority.
Setting the Input Reference Selection Mode, on page 327, de scribes how to set the
priority mode of operation. The syntax for setting the SQL for an input is described
in SSMs and Input Modules, on page 84.
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Setting Up Input Reference Controls
Operating the TSG-3800
Best Mode
In the Best mode, the TSG-3800 uses Input priority, SQL, input stability, and
position to automatically determine the best input signal as the reference signal.
Input stability refers to measuring input signal noise and choosing the best input
signal based on this noise measurement (the best signal has the least noise). To
prevent excessive reference input switching, which is caused by changes in input
signal noise levels, the software uses 20 percent hysteresis, or lagging. This means
an input signal must have the least noise for a certain amount of time before it is
used as the reference signal. All signal characteristics are weighted and the input
with the highest weighted average is selected as the input reference.
Operating in Revertive, Non-Revertive, or Manual Mode
When the Auto Return mode is set to the default mode of ON, the reference
automatically reverts to the highest selectable input available for the assigned
provision or mode of operation at all times. Therefore, when a failed input of higher
priority than the current selection is restored to a valid state, it is immediately
reselected as the reference input. For example, if the preferred signal fails, the
system switches to the second in priority. When the preferred signal becomes good
again, the selected input switches back to the preferred signal immediately.
With Auto Return set to OFF, the current reference selection remains selected until
it fails by some fault condition. In Best or SSM mode, this option has no effect and
the highest quality input is always selected. For example, if the preferred signal
fails, the system switches to the second in priority. When the preferred signal
becomes good again, the selected input does not switch back until another input is
of better quality than the current input.
When the Auto Switch option (default ON) is set to OFF, then selection is done
manually only, and a fault on the selected input will cause a switch of Clock
operating mode to Holdover. When using manual selection of the reference, Auto
Return mode should be OFF to force the unit to remain on the selected input.
Setting Up Input Reference Controls
You can control the input reference signals using the following:
Selection of the input reference in use
Enabling or inhibiting automatic switching of references
Enabling or inhibiting automatic return to a higher-priority input
Selecting Input Reference Selection Mode
Assigning fault modes for violation of operating limits
Setting the number of faulted time intervals necessary to cause an alarm
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Operating the TSG-3800
Setting Up Input Reference Controls
Setting the number of time intervals, without incident, necessary to clear an
alarm
Setting two limits for MTIE
Setting two limits for frequency offset
On T1 or E1 X-Port modules:
Set termination
Set framing type
Set zero suppression
Set CRC
Set SSM mode
Setting the Input Reference Selection Mode
The TSG-3800 can choose input references using one of three modes: Priority,
SSM, and Best. Priority mode bases the reference selection on the port’s
provisioned priority; secondary criteria is the SSM information. SSM mode selects
the reference based first on received or provisioned SSM, then on priority and
position. Best mode selects the reference based on a weighting derived from the
input stability calculations; secondary criteria are the priority and SSM information.
Refer to Selecting the Reference Selection Mode, on page 85, for a discussion of
reference selection modes.
Verifying the Input Reference
The TSG-3800 automatically selects the input reference signal. Upon failure of the
input reference, the TSG-3800 selects the highest priority valid input providing that
AUTOSWITCH is on.
To verify the reference in use, check which Input module has its REF indicator
illuminated, or connect to the TSG-3800 and type:
REFERENCE and press Enter.
The following message appears:
->REFERENCE
The Current Reference is «input»
->
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Setting Up Input Reference Controls
Operating the TSG-3800
Manually Selecting the Reference
To select a channel as the input reference:
1. Connect to the TSG-3800 and described in Logging In, on page 81.
2. Ensure that AUTORETURN is off, This prevents the TSG-3800 from
automatically switching back to a higher priority input channel. (To check the
autoreturn state, type
INPUT AR and press Enter.)
3. Type
REFERENCE «input» and press Enter. Note that the REF indicator on the
selected Input module illuminates.
Example
Purpose: Select the secondary input as reference.
Command:
REFERENCE INP2.1
Display:
->REFERENCE INP2.1
«date» «time» «oper» set Input Reference to «input», was
«input»
+>
Detecting Input Errors
The TSG-3800 checks the incoming reference signals for eight types of signal
faults. The faults are: AIS (alarm indication signal), BPV (bipolar violation), CRC
(cyclic redundancy check), LOS (loss of signal), and OOF (out of frame), SSM
(Synchronization S tatus Message), MTIE (Maximum T ime Interval Error) Limits, and
Frequency Limits.
Note: These faults are not characte ristics for all types of input
signals; for example, a sinusoidal input does not contain
BPVs. Refer to Chapter 5, Input Modules.
For each input fault, you may:
Assign a fault mode
Specify a timer limit for each fault (the timer limit is the number of 1-second time
intervals containing one or more errors, within the last hour)
Specify the number of consecutive error-free 1-second intervals required for
clearing the fault
Reset the fault and clear counts
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Operating the TSG-3800
Setting Up Input Reference Controls
Note: Fault limits and modes are independent for each Input
module and may be set differently.
Y ou u se the Input command to display and set the fault limit s for the input signal; the
command syntax is described in Input Command, on page 350.
Displaying Input Signal Fault Limits
To display the Input Signal fault mode assignment, error count, and clear count,
type:
INPUT {input} AIS|BPV|CRC|LOS|OOF and press Enter.
A typical display shows:
TSG->INPUT LOS
Module Err Cnt Clr Cnt Err Lmt Clr Lmt Mode
Inp1.1 14 0 10 2 Fail
Inp2.1 0 57 10 2 Fail
Inp3.1 0 33 10 2 Fail
Inp4.1 0 57 10 2 Fail
TSG->
LMT is the current value of the 1-second alarm thresholds. MODE is the current
fault mode. INP1.1 through INP4.1 list the current 1-second error and clear count for
each channel.
Assigning Input Fault Modes
The operator can assign an individual fault mode for each type of signal fault. Fault
modes are: Fail, Alarm, Report, Ignore. Refer to Viewing Alarm Conditions, on page
94, for explanations.
Displaying Phase Measurements
The TSG-3800 measures the phase between each input and each clock. You can
display:
The most recent phase measurement for all inputs
Up to the last one hundred 1-second interval phase readings between the clocks
and a specified input
Up to the last one thousand 100-second average phase readings (27 hours)
between the clocks and a specified input
Phase data can indicate the general health of equipment and can be used for
troubleshooting. For instance:
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Setting Up Input Reference Controls
Phase history can provide a general indication of whether or not clocks are
Operating the TSG-3800
following the input reference.
Comparing phase history with clock control value history to isolate clock and
input alarms.
Phase data continuously ascending and descending indicates frequency offset.
Phase data oscillation up and down indicates excessive network wander.
The display readings are in nanoseconds (chronological).
To display the most recent phase measurements for all inputs, type:
PHASE then press Enter
For more information, refer to Phase Command, on page 353.
Provisioning MTIE and Frequency Alarms
The TSG-3800 measures the Frequency offset and Maximum Time Interval Error
(MTIE) between each input and the clock in use. MTIE limits are expressed in 10
or nanoseconds. Frequency limits are expressed in 10
-12
s/s or
picoseconds/second. When an input exceeds a user-specified threshold, the
instrument responds in a user-defined manner.
-9
s
The operator can specify two fault threshold limits (designated as L1 and L2) and
fault modes (Fail, Alarm, Report, and Ignore) for MTIE and frequency offsets. This
allows one threshold to serve as an early warning of failure and the second to serve
as a failure indicator. You can specify different fault thresholds and limits to each
input port. There are three pre-defined L1 and L2 fault threshold limits for MTIE an d
Frequency: PRS, OCN, and MCD (see Input Command, on page 350). Table 3-2
shows the pre-defined MTIE settings for PRS, OCN, and MCD and Table 3-3 shows
the pre-defined Frequency settings for PRS, OCN, and MCD.
Table 3-2. MTIE Pre-defined Settings
Configuration Time Scale Limit 1 (Fail) Limit 2 (Alarm)
PRS T100 270 216
T1000 540 432
T10000 1080 864
OCN
(Factory Default Setting)
T100 324 270
T1000 648 540
T10000 1296 1080
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Operating the TSG-3800
Setting Up Input Reference Controls
Table 3-2. MTIE Pre-defined Settings (Continued)
Configuration Time Scale Limit 1 (Fail) Limit 2 (Alarm)
MCD T100 432 324
Table 3-3. Frequency Pre-defined Settings
Configuration Time Scale Limit 1 (Fail) Limit 2 (Alarm)
PRS T100 5000 2000
T1000 864 648
T10000 1728 1296
T1000 500 200
T10000 50 20
OCN
(Factory Default Setting)
T100 5000 2000
T1000 750 300
T10000 60 30
MCD T100 8000 4000
T1000 800 400
T10000 80 40
For Frequency and MTIE measurements, you can set a threshold and fa ult mode for
each of three intervals (100, 1000, or 10000 seconds). If you do not define these
limits, they remain at the default values; see Default Parameter Values, on page
108. The MTIE and Frequency command syntax is described in MTIE Command,
on page 352, and Frequency Command, on page 348.
For example, you can assign a REPORT fault mode for a fractional frequency of fset
–8
exceeding 1 x 10E
and a FAIL fault mode for an offset exceeding 1 x 10E–7. You
can specify an offset threshold for each time scale (T100, T1000, or T10000) for
both limits.
Note: IGNORE or ALARM fault modes are the other settings for L1
and L2. For consistency, use L1 for the more extreme limit and fault
mode.
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Setting Up Input Reference Controls
Operating the TSG-3800
MTIE errors cause an immediate alarm and error message. The error message
displays the time and date of the alarm, the MTIE measurement, and the relevant
time interval.
Note: Recalling a list of the MTIE measurements may not show the
actual reading that exceeds the limit. To see current MTIE data, enter
STATUS or MTIE. Specifying a number on MTIE commands displays
stored, completed data.
Monitoring Input Signal Performance
Two commands are available to provide additional input signal performance
information. These are the MTIE command with start and stop times and the TDEV
command. The start and stop times specify the observation period for the
measurement. These commands provide information collected by the Input
modules and passed on through the CPU module on request from the user. This
information has no effect on system operation, but is provided for signal monitoring
only. These commands provide signal stability information in addition to the phase,
frequency , and current MT IE data pr eviously described. They are primarily provided
for performance monitoring systems that will give graphs of input signal
performance. For more information, see MTIE Command, on page 352 and TDEV
Command, on page 356.
Monitoring MTIE
To retrieve the MTIE data for an input signal over a selected time period, type:
MTIE {input} [MM/DD/YY] [HH:MM:SS] then press Enter
The first line of the response gives the ACTUAL start and stop date and times used
in the calculation. These may vary from the requested times depending on the
actual data available in the module. The response gives the MTIE in nanoseconds
for the time intervals listed. The time intervals listed range from 0.05 to 10,000
seconds, with the highest determined by the observation time period covered b y the
command or the available data.
Monitoring TDEV
To retrieve the TDEV data for an input signal over a selected time period, type:
TDEV {input} [MM/DD/YY] [HH:MM:SS] then press Enter.
The response is multiple lines of output giving the data availa ble for the time period
specified.
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Operating the TSG-3800
Viewing Alarm Conditions
The first line of the response gives the ACTUAL start and stop date and times used
in the calculation. These may vary from the requested times depending on the
actual data available in the module. The lines following give the TDEV in
nanoseconds for the time intervals listed. The time intervals listed range from 0.05
to 1000 seconds, with the highest determined by the observation time period
covered by the command or the available data. TDEV calculations f or time interva ls
up to one third of the observation period are provided. However, some standards
indicate that an observation period of at least 12 intervals should be used for the
highest accuracy.
Viewing Alarm Conditions
The TSG-3800 reports three types of alarms: Critical, Major and Minor. A Critical
alarm signifies that the output reference is invalid, or the Output modules have no
clock source. A Critical alarm activates the major alarm relays and turns on the
indicator. A Major alarm signifies that the output signals are not synchronized to an
input. A Minor alarm signifies a condition that is not fatal to synchronization, but
could lead to more significant problems. Both Major and Minor alarms contain relay
contacts for Local, Remote, and Audio alarms. When an alarm co ndition arises, the
CPU module activates corresponding contacts (on the rear panel of the shelf).
An ALARM CUT-OFF switch is available for turning off the Audio alarms. This
switch is on the front panel of the CPU module. The ALARM CLEAR command
(Resetting Alarms, on page 105) turns off the Major, Minor and Audio alarm
contacts.
Alarm messages are available through the EIA-232 port. The EIA-232 port accepts
commands for changing some fault limits. See Alarm Command, on page 341.
Events, Fault Thresholds, Faults, and Fault Modes
An event is an occurrence of a changed condition within the TSG-3800. This
change in condition can be a lost signal (for instance LOS), or instrument related,
for example, module failure. When the magnitude or number of errors surpass a
specific threshold (default or operator settable), a fault condition exists.
A fault mode defines the action that the TSG-3800 takes with the occurrence of a
fault. The operator can assign any of four fault modes to the individual input signal
characteristics of any Input module: Frequency, MTIE, AIS, BPV, CRC, LOS, SSM
and OOF. The operator can also define a threshold for causing a fault. For AIS,
BPV, CRC, LOS, OOF, Frequency, and MTIE, a separate threshold for clearing the
fault can be set.
Table 3-4 shows the relationship between fault modes and TSG-3800 action
followed by a description of each mode.
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Table 3-4. Fault Mode Responses and Actions
Operating the TSG-3800
Viewing Alarm Conditions
Mode
FAIL YES YES YES
Input reference is automatically rejected. The TSG-3800 switches to another input or into Holdover.
Causes a minor alarm when exceeding the operator-set threshold if anothe r valid reference is available.
If no valid reference is available, the TSG-3800 causes a major alarm and places the clock(s) into
Holdover. A failed input is automatically reported over the EIA-232 port. In a ST2E/ST3E TSG-3800
configuration, if the Stratum 2E clock enters Holdover, the ST3E clock is also placed in Holdover Mode.
ALARM NO Y ES YES
Causes a minor alarm when exceeding operator-set threshold and is reported over the EIA-232
port. Input reference or module is not automatically rejected.
REPORT NO NO YES
Reports the event to the EIA-232 ports, without alarming, when exceeding operator-set threshold.
IGNORE NO NO NO
Disables switching and alarming. Does not report to the EIA-232 ports.
Fail the Input and
Switch References
Set Alarm Relay and
Illuminate Indicators
Report on EIA-232 Ports
Operating in Failure Mode
In the event of a module failure, the TSG-3800 provides continuous operation
through multiple levels of redundancy and multiple switching.
Input Module Failure
If an Input module fails, an alternate input is selected if available. If an alternate
input is not available, the CPU module places the unit in the Holdover mode of
operation until a reference input has been restored to service. Entry and exit from
Holdover mode is done through processor control of the Clock modules such that
no significant phase steps or frequency changes occur.
CPU Module Failure
If the CPU module fails or is removed for service, the Clock modules automatically
switch to Holdover Mode, as described in Holdover Mode, on page 97.
Clock Module or Frame Generator Failure
The TSG-3800 uses Clock modules and Frame Generator modules in pairs: Clock
A works with Frame Generator A and Clock B works with Frame Generator B. If the
selected Clock Module or Frame Generator module fails, the alternate Clock/Frame
Generator module pair is selected for use by the Output modules.
Output Module Failure
If there is a failure in any of the Output modules, the redundant module continues to
provide outputs on a one-for-one basis if redun dant output strategy is configures for
the TSG-3800.
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Operating the TSG-3800
Provisioning the Clock Modules
Provisioning the Clock Modules
This section describes the operating modes of the Clock module, and then
describes how the operator can provision the following parameters on the Clock
modules:
Operating mode
Automatic return to a higher-stratum clock
Loop Time Constant
Control Value
You can also enable and disable Clock and Frame Generator modules. Use the
command syntax described in Clock Command, on page 342.
Clock Operating Modes
After start-up, each Clock module automatically sequences through three operating
modes: Warm-Up, Acquire and Locked. A fourth operating mode, Holdover, is not
part of the cycle unless a valid input signal is not available. All modes may be
entered at user request. The following sections describe the operating modes.
Warm-Up Mode
Warm-up Mode starts when power is applied to the shelf. The warm-up period
varies from 15 minutes to one hour, depending on the type of Clock module
installed. The warmup period is 15 minutes for ST2 Rb modules, 30 minutes for
ST3E modules and 60 minutes for ST2 modules.
Acquire Mode
After the oscillator warms up, the TSG-3800 phase-locks the Clock module to the
most acceptable valid input reference signal. The system uses the following three
criteria to determine this signal:
Frequency stability
Clock noise
Phase offset
The TSG-3800 starts with a fast time constant (tau) and gradually increases it
toward an operator-selected or default value once the phase error has stabilized
-11
near zero. Once the frequency stability is less than 1E
, the oscillator enters the
locked mode.
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Provisioning the Clock Modules
Operating the TSG-3800
Locked Mode
In Locked mode, the tau increments until the Clock Module is phase locked and final
tau is achieved, which maintains the output frequency with respect to the input
reference. The processor continues to measure the phase of each input. It adjusts
the control value based on phase changes of the selected reference.
Holdover Mode
When an acceptable input reference is not available, the TSG-3800 automatically
enters Holdover mode. In Holdover, all outputs continue to be present without
interruption, but the TSG-3800 stops updating the control value to th e oscillator and
uses the average control value of the last 24 hours. Changes in output frequency
are now due to aging and environmental variations only.
When the TSG-3800 leaves Holdover, it compares the phase of the Clock modules
to the reference. If the two phases agree, the TSG-3800 resumes operation in the
phase-locked loop (Locked mode) using the pre-holdover phase setting. If the
phase differs significantly (>110 ns), the TSG-3800 enters Acquire mode before
returning to Locked mode.
Holdover mode may also be entered into manually. When entered into manually , the
Clock module stays in Holdover until the operator changes operating modes.
Provisioning the Operating Mode of the Clock Module
The operator can check the type of Clock modules installed in the shelf, its
operating state and loop time constant. To display this information, type:
CLK then press Enter
A typical display is:
TSG->CLK
CLK A, Stratum 2E Rubidium
Status
Reference
CV: -168 %CV: 49.21 Freq Off:
WarmUp Time:
900
Clk B, Stratum 2E DDS
Status: OK Mode: Acquire Tau: 423 Sigma:
CV: -1510 %CV: 49.38 Freq Off:
WarmUp Time:
1800
TSG->
Mode: Acquire Tau: 592 Sigma
3.2e-14
Range:+5.76e
3.73e-10
Min Tau: 500 Final Tau: 2500 Max Tau:
3.35e-09
Min Tau: 100 Final Tau: 1500 Max Tau:
-0 8
10000
8.96e-13
Range:
+-8.95e-0
5000
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Operating the TSG-3800
Provisioning the Clock Modules
Manually Setting the Operating Mode of the Clock Module
You can manually place the Clock Module into any opera ting mod e. Holdover is the
only mode that reports whether it was entered into automatically or manually. The
terminal displays a message, depending upon the operating state.
To set the clock operating mode manually, type:
CLOCK A|B MODE WARMUP|ACQUIRE|LOCKED|HOLDOVER then press Enter
Example
Purpose: Change Clock B from Locked to Holdover operating mode.
Command:
CLK B MODE HOLDOVER
Display:
->CLK B MODE HOLDOVER
«date» «time» «oper» put Clk B into Man HO, was Locked
+>
Provisioning Automatic Return to a Higher-Stratum Clock
When Auto Return is ON, the TSG-3800 returns to Clock A for output generation
when it is of equal or higher operating mode than Clock B. When OFF, the
TSG-3800 will stay on Clock B, once selected, until it has been disabled or faulted.
To set the AutoReturn Mode for the Clock module, type:
CLOCK AR ON|OFF then press Enter
Setting the Clock Module Loop Time Constant (Tau)
The time constant for the clock control loop set s the averaging time used to filter the
short-term variations in frequency between the input reference signal and the clock
oscillator. The time constant is also known as the Tau of the control loop. It is set to
a default value that is best for typical operation, but it can be changed to optimize
control in special cases. Increasing the Tau provides more filtering of short-term
variations on the reference input, but it delays the response to environmental ef fects
on the oscillator . Decreasing the Tau provides quicker response to changes in either
the input or oscillator frequency, but reduces the smoothing effect of the filtering of
unwanted changes. The default values are optimized for typical operation of each
type of clock oscillator (quartz or Rubidium).
To change the clock control loop time constant, type:
CLOCK A|B TC {number} then press Enter
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Provisioning the Clock Modules
where {number} is:
25 to 1000 for Stratum 3E
100 to 5000 for Stratum 2 (quartz)
500 to 10000 for Stratum 2E (Rubidium)
MIN for minimum or MAX for maximum loop time constant
Example
Purpose: Set Clock A’s time constant to 550.
Operating the TSG-3800
Command:
CLK A TC 550
A typical display is:
->CLK A TC 550
«date» «time» «oper» Set Clk A Time Constant to 550, was 100
>
Note: The TSG-3800 sends an error message asking for a
time constant (tau) within the proper range if an invalid
number is entered.
Provisioning the Control Value for the Clock Module
The Control Value for the clock control loop is a dig ital number that is applied to the
Direct Digital Synthesizer (DDS) circuit, which sets the clock’s output frequency.
This number is generated by the clock control loop algorithm and is applied to the
Clock module. You can display this number using the CLOCK CV command. You
can change this number only when the control loop is in the USER HALT mode.
-12
Changes to the Control Value directly affect the output frequency by 2.2 x 10E
per step.
To display the current digital control value of the clock:
CLOCK A|B CV then press Enter
A typical display is:
->CLK CV
The Current Time is «date» «time»
The Control Value for Clk A is -168 (49%)
The Control Value for Clk B is -1558 (49%)
->
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