Symmetricom TimeProvider 1000, TimeProvider 1100 User Manual

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TimeProvider 1000 and 1100

Edge Clock

User Guide

Revision C – August 2005

Part Number 097-58001-02

Symmetricom, Inc.

2300 Orchard Parkway

San Jose, CA 95131-1017

U.S.A.

http://www.symmetricom.com

All product names, service marks, trademarks, and registered trademarks

used in this document are the property of their respective owners.

Table of Contents

Contents

How to Use This Guide

Purpose of This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv

Who Should Read This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv

Structure of This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv

Conventions Used in This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Warnings, Cautions, Recommendations, and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Related Documents and Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

Where to Find Answers to Product and Document Questions. . . . . . . . . . . . . . . . . . xvii

What’s New in This Document. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

Chapter 1 Overview of the TimeProvider

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

New Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Shelves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Expansion Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Performance Monitoring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Phase Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

MTIE Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

TDEV Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

FFOFF Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Physical Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

System Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Communication Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Ethernet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Local Craft Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Remote Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Reference Input Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Selecting the Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

SSMs and Quality Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

GPS Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Clock Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Output Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Synchronization Status Messages (SSMs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

SmartClock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

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BesTime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Normal Tracking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

GPS Holdover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Chapter 2 Engineering and Ordering Procedures

Shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Model 1000 Front Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Model 1100 Rear Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Expansion Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Front Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Rear Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Input Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Output Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

IMC and IOC Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

GPS Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Ordering and Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Accessories, Tools, and Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Chapter 3 Installing the TimeProvider

Getting Started. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Pre-Installation Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Performing a Site Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Gathering the Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Unpacking the Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Rack Mounting the Shelf and Expansion Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Making Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Making Ground Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Making Power Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Verifying Power and Grounding Connections . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Making Input Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Making Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Making Retimer Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Making Alarm Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Making GPS Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Making Communications Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Changing Communications Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Installing Connections to the Ethernet Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Installation Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Powering Up the Shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Working With Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Properly Handling Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Inserting Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Removing Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Firmware Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

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Chapter 4 Provisioning the TimeProvider

TL1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

TL1 Command Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

TL1 Response Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Autonomous Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Starting the TimeProvider for the First Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Defining a User at the Security Access Level . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Setting the Source ID <sid> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Setting the Date and Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Setting Communications Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Setting RS-232 Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Setting Ethernet Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Checking Communication Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Defining the Security Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Managing the User List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Logging In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Logging Out. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Adding a User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Changing the Current User’s Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Displaying a User’s Access Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Editing a User’s Access Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Deleting A User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Retrieving Current Users. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Provisioning the IOC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

Setting the System Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

Setting the IOC Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Provisioning the Input Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Setting the Input State. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Setting the GPS Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Setting the Input Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Setting the Input Frame Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Controlling Automatic Reference Switching . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Setting the Input Quality Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Setting the Input Priority Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Manually Selecting the Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Provisioning the SSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Enabling CRC4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Using Performance Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Provisioning the Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Enabling and Disabling the Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Provisioning the Output Framing Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Provisioning the Retimer Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

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Provisioning Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

Provisioning the Alarm Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

Provisioning System-Level Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Retrieving Current Alarm Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Retrieving Current Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Displaying Alarm Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

Clearing Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

System Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Displaying Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Displaying the Configuration of the TimeProvider. . . . . . . . . . . . . . . . . . . . . . 129

Restarting the TimeProvider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Saving Provisioning Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Chapter 5 Testing the TimeProvider

Testing the TimeProvider. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

Test Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

Verifying Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

Testing Alarm Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Testing the IOC Operating Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Testing the Reference Switching. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Testing the Non-Revertive Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Testing the Revertive Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Testing the Power Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Detecting Input Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Testing the Communication Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Testing the Local Craft Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Testing the Remote Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

Testing the Ethernet Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

Testing the Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Test Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Chapter 6 Maintaining and Troubleshooting the TimeProvider

Preventive Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

ESD Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Diagnosing the IOC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Reading LED Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Interpreting Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Removing the IOC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Replacing the IOC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

vi TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Table of Contents

Diagnosing the IMC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

Reading LED Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

Interpreting Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Replacing the IMC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Diagnosing the TPIU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

Replacing Output Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

Replacing the Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Troubleshooting the TimeProvider. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

Using Events to Troubleshoot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

Using Alarm Codes to Troubleshoot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Repairing the TimeProvider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180

Obtaining Technical Assistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Upgrading the Firmware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Upgrading the IMC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Upgrading the IOC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Returning the TimeProvider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

Repacking the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

Equipment Return Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

User Guide Updates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

Chapter 7 Specifications of the TimeProvider

Communications Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

Serial Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

LAN Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

T1 Retimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Input Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Output Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Roof Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

TimeProvider 1000 Front-Access Shelf. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

TimeProvider 1100 Rear-Access Shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194

Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Default Command Access Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198

Alarm Default Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

Default Equipment Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202

Default Input Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide vii

Table of Contents

Default Output Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

Installing SynCraft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

Starting SynCraft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

Index

viii TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

List of Figures

Figures

1-1 TimeProvider 1000 ETSI-style Shelf. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

1-2 TimeProvider 1100 Rear Access Shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

1-3 TimeProvider 1100 Expansion Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

1-4 TimeProvider 1000 - Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

1-5 TimeProvider 1100 - Rear Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

1-6 Block Diagram of the TimeProvider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

1-7 The TimeProvider Interface Unit (TPIU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3-1 Installing the Model 1000 Shelf and Expansion Panel - 19-inch Rack . . . . . 51

3-2 Installing the Model 1100 Shelf and Expansion Panel - 19-inch Rack . . . . . 52

3-3 Installing the Model 1000 Shelf and Expansion Panel - 23-inch Rack . . . . . 53

3-4 Installing the Model 1100 Shelf and Expansion Panel - 23-inch Rack . . . . . 53

3-5 Power Terminal Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

3-6 Assembling the ETSI Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

3-7 BNC Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

3-8 Wire-Wrap Input Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

3-9 DB9 Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

3-10 BT43 Input Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

3-11 Metric (Siemens) Input Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

3-12 BNC and Wire-Wrap Output Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

3-13 DB9 and BT43 Output Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

3-14 Metric (Siemens) Output Module and T1 Retimer Wirewrap Output Module 62

3-15 Making Retimer Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

3-16 DB-25 Alarm Connector (Front View) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

3-17 Locating the GPS Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

3-18 Antenna-to-Shelf Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

3-19 Installing the Antenna Bracket on a Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

3-20 Installing the Antenna Bracket on a Post . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

3-21 Attaching the Antenna to the Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

3-22 Assembling the Lightning Suppressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

3-23 Mounting the TPIU and Expansion Panel on the Same Rack Ears . . . . . . . 71

3-24 Mounting the TPIU with a Model 1000 ETSI-Style Shelf . . . . . . . . . . . . . . . 71

B-1 The SynCraft Window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

B-2 The Create New Connection Window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208

B-3 Logical View of the TimeProvider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide ix

List of Figures

x TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

List of Tables

Tabl es

1-1 Typical Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

1-2 SSU-Based Reference Selection Scenarios. . . . . . . . . . . . . . . . . . . . . . . . . . .34

1-3 Subtending-Based Reference Selection Scenarios . . . . . . . . . . . . . . . . . . . . .35

1-4 ANSI SSM Quality Level Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

1-5 ITU SSM Quality Level Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

2-1 Input Modules Available for the TimeProvider . . . . . . . . . . . . . . . . . . . . . . . . .43

2-2 Output Modules Available for the TimeProvider . . . . . . . . . . . . . . . . . . . . . . . .43

2-3 IOC and IMC Modules Available for the TimeProvider . . . . . . . . . . . . . . . . . . .44

2-4 GPS Parts and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

2-5 TimeProvider Shelves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

3-1 Power Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

3-2 Input Connector Modules Available for the IOC . . . . . . . . . . . . . . . . . . . . . . . .57

3-3 Pinout for the DB9 Input Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

3-4 Output Connector Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

3-5 Pinout for the DB9 Output Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

3-6 Alarm Connector Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

3-7 Connector Pinouts for the Serial Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

3-8 Ethernet Communications Port Signal Connections. . . . . . . . . . . . . . . . . . . . .74

3-9 Installation Completeness Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

3-10 Firmware Feature Matirx. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

4-1 TL1 Syntax Conventions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

4-2 Default Mask Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109

4-3 Provisioning Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131

5-1 LED Conditions for the IOC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136

5-2 LED Conditions for the IMC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137

5-3 Record of Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143

6-1 Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146

6-2 LED Conditions for the IOC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147

6-3 LED Conditions for the IMC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152

6-4 LED Conditions for the TPIU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154

6-5 Event Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156

6-6 Set and Clear Conditions for Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164

6-7 Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167

6-8 Event Code Conditional Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177

7-1 Serial Port Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

7-2 Holdover Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .189

7-3 Input Signal Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .190

7-4 Output Signal Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

7-5 T1 Retimer Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .192

7-6 Output Alarm Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .193

7-7 Typical Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .193

7-8 Antenna Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .194

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide xi

List of Tables

A-1 Default Access Levels for TL1 Commands. . . . . . . . . . . . . . . . . . . . . . . . . . .198

A-2 Default Alarm Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .199

A-3 Default Equipment Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .202

A-4 Default Input Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .203

A-5 Default Output Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .204

xii TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

How to Use This Guide

This section describes the format, layout, and purpose of this guide.

In This Preface

 Purpose of This Guide

 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 Document

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide xiii

How to Use This Guide

Purpose of This Guide

The TimeProvider User’s Guide describes the procedures for unpacking, installing, using, maintaining, and troubleshooting the Symmetricom TimeProvider. It also includes appendixes that describe default values and how to install the included software application SynCraft.

Who Should Read This Guide

Chapter 1, Overview of the TimeProvider, and Chapter 2, Engineering and Ordering Procedures, are written for non-technical audiences who need general information

about the product. Chapter 3, Installing the TimeProvider and subsequent chapters contain technical information about the product. Other chapters and appendixes describe installation, 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 TimeProvider

Chapter 2, Engineering and Ordering Procedures

Chapter 3, Installing the TimeProvider

Chapter 4, Provisioning the TimeProvider

Chapter 5, Testing the TimeProvider

Chapter 6, Maintaining and Troubleshooting the TimeProvider

Chapter 7, Specifications of the TimeProvider

Appendix A, Factory Default Valu es

Provides an overview of the product, describes the major hardware and software features, and lists the system specifications.

Lists the part number and ordering procedure for all TimeProvider parts and accessories.

Contains procedures for unpacking and installing the product.

Describes TimeProvider after installing the unit.

Provides checklist-based commissioning tests that should be performed after completing turn-up and software configuration to ensure the system is ready for normal operation.

Contains preventive and corrective maintenance, and troubleshooting procedures for the product.

Lists the specifications for the TimeProvider

Includes a list of the factory default values for hardware and software parameters.

the TL1 commands required to provision the

Appendix B, CRAFT Software Reference

Index

xiv TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Describes how to use the CRAFT software interface with the TimeProvider.

Provides references to individual topics within this guide.

How to Use 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...

TimeProvider User’s Guide The title of a document.

SSU CRITICAL IOC1

Select File, Open... Click the Open option on the File menu.

Press

Enter

Press ;

TimeProvider Username:

PING STATUS

A re-timing application A word or term being emphasized.

An operating mode, alarm state, status, or chassis label.

A named keyboard key. The key name is shown as it appears on the keyboard.

An explanation of the key’s acronym or function immediately follows the first reference to the key, if required.

Text in a source file or a system prompt or other text that appears on a screen.

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.

... it means:

Symmetricom does not recommend...

A word or term given special emphasis.

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.

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide xv

How to Use This Guide

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 disregard 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.

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, operation, or maintenance procedures, practices, conditions, or statements, that alert you to important information, which may make your task easier or increase your understanding.

xvi TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

How to Use This Guide

Chapter 1 Overview of the TimeProvider

This chapter describes the TimeProvider product.

In This Chapter

 Overview

 Operating Modes

 Performance Monitoring

 Physical Description

 Functional Description

 System Power

 Communication Ports

 Reference Input Signals

 Clock Performance

 Output Signals

 Alarms

 Synchronization Status Messages (SSMs)

 SmartClock

 BesTime

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide 19

Chapter 1 Overview of the TimeProvider

Overview

The TimeProvider is Synchronization Supply Unit (SSU) designed specifically to meet the needs at the network edge. In small offices where core office synchronization solutions are critical, an edge clock like the TimeProvider is ideal because of its compact size and flexibility. Using the integrated GPS features, the TimeProvider can be used in a “small” Central Office to act as a Primary Reference Source (PRS).

The TimeProvider’s unique design incorporates the input, output, and clock functions in a single card, available with either a Rubidium or quartz oscillator. This allows you to simplify the storage inventory required for future expansion needs. The TimeProvider shelf requires only three plug-in cards to operate with full redundancy: dual Input/Output/Clock cards (IOCs) and a single Information Management Card (IMC), which serves as a communications/alarm interface. The main shelf provides up to 32 redundant universal timing outputs; an optional Expansion Panel provides an additional 32 redundant outputs.

Using Symmetricom’s SmartClock™ technology design, the oscillators within the IOCs are enhanced with improved performance and accuracy. Using intelligent firmware algorithms, SmartClock “learns” the effects of the ageing of the clock while it is locked to a reference signal and stores this information in its memory. If the reference signals are lost or disqualified, SmartClock uses the stored data to compensate for frequency changes while the TimeProvider continues to distribute highly stable synchronization signals.

The TimeProvider also uses Symmetricom’s BesTime

algorithm when the GPS input is activated. By using other inputs as references, Bestime calculates and determines a weighting factor for each of the inputs and ensembles them in the overall timing scheme to provide very accurate timing outputs. In the event of GPS signal loss, BesTime continues to predict GPS timing information to provide reliable system timing outputs and holdover performance, ensuring that system reliability is maintained. See BesTime, on page 39 for more information.

New Capabilities

The operating software in the TimeProvider is improved to provide the following capabilities:

 Retiming – A new Output module is available to re-time, re-amplify, and re-shape

an inbound (East) data-bearing signal. The TimeProvider provides a stable frequency source to re-transmit the data to the line-terminating Network Element. The return (West) path on the module provides re-amplify and re-shape only. See

Retimer Module, on page 30, for more information.

 Input/output port labeling – The user can label TimeProvider input and output

ports, including the input side on the Retimer module. The label, or circuit ID, can be up to 40 characters long.

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Chapter 1 Overview of the TimeProvider

 Event log management – Event log retrieval has been enhanced to provide a

Overview

more user-programmable lookup. In the new format, there are two additional methods to retrieve the event log. 1) The user can specify a beginning point (the “index”) within the event log and display a number of events (“count” value) starting from the index. 2) The user can display events within a specified “start date” and “stop date.”

When you use redundant IOC cards, Symmetricom recommends that you use the same revision of firmware for proper operation.

Shelves

The TimeProvider is available in two shelf models. Each shelf supports up to 32 redundant output channels.

 The TimeProvider 1000 is a 175 mm tall ETSI shelf that meets the requirements

of ETSI 300 119-4 January 1994. Figure 1-1 shows the TimeProvider 1000 shelf.

 The TimeProvider 1100 is a 130 mm tall rear-access shelf; indicators are on the

front panel and connections are available on the rear panel. Figure 1-2 shows the front panel of the TimeProvider 1100.

Figure 1-1. TimeProvider 1000 ETSI-style Shelf

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Chapter 1 Overview of the TimeProvider

Overview

Figure 1-2. TimeProvider 1100 Rear Access Shelf

Expansion Panel

The TimeProvider has an optional Expansion Panel that doubles (to 64) the number of output channels available. Figure 1-3 shows the rear-access version of the Expansion Panel. The Expansion Panel receives timing signals from the TimeProvider main shelf through an expansion cable.

Figure 1-3. TimeProvider 1100 Expansion Panel

Inputs

The TimeProvider accepts the following types of input signals:



Primary Reference Signals: 1.544 MHz, 2.048 MHz, 5 MHz, 6.312 MHz, or 10 MHz

 Span input signals:

– E1 (CCS programmable only), or 2.048 MHz analog – T1 D4, Extended Superframe (ESF) – Composite Clock, including Japan Composite Clock (JCC) and Japan

Composite Clock with 400 Hz (JCC4) signals – 1.544 MHz analog – 6.312 MHz analog

 GPS input: GPS signal from the TimeProvider Interface Unit (TPIU)

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Chapter 1 Overview of the TimeProvider

The TimeProvider qualifies the input reference signals and detect the following errors: Loss of Signal (LOS), Alarm Indication Signal (AIS), Loss of Framing, and Synchronization Status Messages (SSM) where applicable. Reference Input

Signals, on page 32, describes the inputs in more detail.

Overview

Outputs

The TimeProvider produces a variety of outputs to meet different signal standards. Output signal types include 8 kHz, 1.544 MHz, 2.048 MHz, 6.312 MHz, E1, T1, CC, JCC, and JCC4. A Retiming module is also available to re-time, re-shape, and re-amplify E1 and T1 signals. The E1 and T1 signals can be provisioned with standard framing that meets G.703 formats. These outputs are available through one of several different connector panels. The E1 Retiming module is available with either BNC or Siemens 1.6/5.6 connectors, and the T1 Retiming module has wirewrap connectors. See Output Signals, on page 36, for more information on output signals.

The TimeProvider outputs are arranged into four groups of eight outputs per group in the Main shelf and four groups of eight outputs per group in the optional Expansion panel. Each group is labeled A, B, C, and D, and can be configured independently.

Communication

Three communications ports provide access to the TimeProvider: Ethernet, local Craft serial port, and a Remote serial port. These ports are described in detail in

Communication Ports, on page 31.

Clocks

The TimeProvider’s clock design includes a highly stable ovenized Quartz crystal or Rubidium oscillator with Direct Digital Synthesis (DDS) to produce accurate synchronization outputs. In a dual-IOC configuration, the clock function is redundant to provide protection. Each IOC qualifies the input signal and filters jitter and wander noise elements that may exist. In the event that all input references are lost or disqualified, the TimeProvider’s clock design, together with the SmartClock technology, goes into holdover mode with the oscillator providing the system reference.

The Rubidium IOC meets Stratum 2/Type II performance; the Quartz IOC meets Stratum 3E/Type I performance.

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Chapter 1 Overview of the TimeProvider

Operating Modes

You can configure the TimeProvider to operate in one of three modes: Synchronization Supply Unit (SSU), Subtending (SUB) as defined by Telcordia GR-378 Section 7, or Primary Reference Receiver (PRR) when the GPS input is available. Each mode is unique in its operation, and is defined in the following paragraphs.

SSU Mode

This is the TimeProvider’s default operating mode. Valid signals on the PRS, INP1, INP2, or GPS connectors can be selected as the system reference. In this mode, the INP1 and INP2 inputs cannot be provisioned to receive Composite Clock (CC) signals, including JCC or JCC4. The method of selecting the system reference is described in Selecting the Input, on page 32.

SUB Mode

This mode allows the TimeProvider to operate as a Remote shelf where phase is critical. When you select the SUB mode, INP1 and INP2 are automatically set for CC inputs (including JCC and JCC4). Outputs provisioned for CC are phase-aligned with the selected CC input reference. Other output types comply with G.703 and GR-1244.

To configure the TimeProvider for Subtending mode, see Setting the System Mode, on page 96.

PRR Mode

In PRR mode, the GPS is automatically selected as the system reference input. This requires that you connect a GPS signal through the TPIU to the TimeProvider using the provided interconnect cable. This mode complies with ITU-T G.811 and Telcordia GR-2830 requirements for Primary Reference Receivers/Clocks. Valid signals on the PRS, INP1, or INP2 connectors are used in conjunction with BesTime to extend compliance with GR-2830/G.812 standards.

The PRR mode uses Symmetricom’s BesTime servo control that allows the TimeProvider to continue providing outputs in case GPS tracking is lost, the GPS data loses integrity, or if the IMC is removed from the shelf. BesTime, on page 39 provides more information on the BesTime technology.

To configure the TimeProvider for PRR mode, see Setting the System Mode, on page 96.

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Performance Monitoring

The TimeProvider can monitor and qualify all enabled input signals based on phase measurements. It measures the phase differences between the inputs and the output of the corrected clock. From these phase measurements, the TimeProvider computes frequency offset and wander of the input signals. Wander is reported in terms of Maximum Time Interval Error (MTIE) and Time Deviation (TDEV) and creates phase, MTIE, TDEV, and Fractional Frequency Offset (FFOFF) reports. Performance data is automatically gathered on all enabled or monitored inputs.

Using MTIE and FFOFF data, the TimeProvider qualifies inputs based on these metrics. User-specified thresholds can be set to disqualify inputs and generate corresponding alarms, causing the TimeProvider to switch references or enter the Holdover mode.

For more information on performance monitoring, see Using Performance

Monitoring, on page 108. The TimeProvider TL1 Reference Guide contains a

section describing the TL1 commands related to performance monitoring.

Chapter 1 Overview of the TimeProvider

Performance Monitoring

Phase Measurements

The IOC measures and transfers 1-second phase data with 100 ns resolution from each enabled input to the IMC every 10 seconds. This phase data is averaged to a 1 ns resolution, which is used to produce a 1-minute phase data sample. The 1 ns data sample is the basis for MTIE, TDEV, and FFOFF calculations. The phase data is not used to qualify an input reference source.

TL1 commands are available to display the 60 most recent phase data (at 100 pS resolution) measurements, the previous 86400 1 ns data averages, and the previous 10080 samples of 1-minute 1 ns-resolution data.

MTIE Calculations

MTIE is a measure of the relative noisiness of an input signal that relates to frequency offsets and phase transients. The TimeProvider automatically calculates MTIE for each enabled input from the 600 most recent 1-second phase updates. From this calculation, you can retrieve MTIE values for 1, 5, 10, 50, 100, and 500-second windows. You can set an alarm threshold for each of these windows; if the MTIE value exceeds this threshold and the alarm level is set to Minor or higher, the TimeProvider generates an alarm.

You can use the automatic MTIE calculations to qualify each input with user-defined qualification thresholds. If an input exceeds the threshold, then the input reference automatically switches to the next-best input.

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Chapter 1 Overview of the TimeProvider

Physical Description

You can also set thresholds using pre-defined masks according to ANSI T1.101 (for PRS inputs), ITU-T G.811 (for PRC inputs), or ITU-T G.812 (for Type I and Type II/III inputs). The TimeProvider performs a second MTIE calculation using the previous 24-hour period; this calculation is not used to qualify inputs.

TDEV Calculations

TDEV is a measure of the relative noisiness of an input signal that relates to its spectral content. The TDEV for each enabled input is automatically calculated from the previous 24-hour period. The TDEV value is used for monitoring only and is not used for qualifying an input signal.

You can retrieve the TDEV values for the following integration times: 1, 5, 10, 100, 500, 1000, 5000, and 7200 (84000/12) seconds.

FFOFF Calculations

FFOFF is a measure of the frequency deviation of the input signal against the system reference, expressed as a ratio. The TimeProvider automatically calculates FFOFF for each enabled input from the 600 most recent 1-second phase updates.

You can use the automatic FFOFF calculations to qualify each input with user-defined qualification thresholds. If an input exceeds the threshold and the alarm level is set to Minor or higher, then the input reference automatically switches to the next-best input.

The TimeProvider stores historical FFOFF measurements for each enabled input every 60 seconds. You can retrieve FFOFF data for the prior 24 hours, depending on the number of faults that have occurred.

Physical Description

The TimeProvider consists of a shelf, plug-in cards, connector adapter panels for the cards, cables, hardware, and software. The TimeProvider is available in two configurations: front access (Model 1000) and rear access (Model 1100), as shown in Figure 1-1 and Figure 1-2.

Figure 1-4 illustrates the location of the connectors, cards, and modules in the

TimeProvider 1000.

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Chapter 1 Overview of the TimeProvider

Physical Description

Ethernet

Connector

Expansion Connector

Power

Connector

Input

Module

Figure 1-4. TimeProvider 1000 - Front Panel

Remote Serial

Connector

GPS Connector

Output Modules

Local Craft Connector

Power Connector

IOC 2IOC 1 IMC

Figure 1-5 illustrates the location of the connectors, cards, and modules in the

TimeProvider 1100.

Power

Connector

Remote Serial

Connector

Expansion

Connector

GPS

Connector

Ethernet

Connector

Power

Connector

Input

Output Modules

Figure 1-5. TimeProvider 1100 - Rear Panel

Module

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Chapter 1 Overview of the TimeProvider

Functional Description

The TimeProvider consists of a main shelf and slots for two IOCs and one IMC. One plug-in Input module and up to four plug-in Output modules complete the main shelf, which provides up to 32 outputs. The optional Expansion Panel can provide up to 32 additional outputs, to provide a total of 64 outputs.

This section describes the components and block diagram of the TimeProvider. The block diagram, shown in Figure 1-6, contains the following major blocks:

 Shelf

 Input module

 IMC

 IOC

 Output module

 Expansion Panel required for ports 33 through 64

 TimeProvider Interface Unit (TPIU)

Figure 1-6. Block Diagram of the TimeProvider

Shelf

Both the front-access and rear-access shelf provides a chassis for mounting the Input module, one IMC, two IOCs, and up to four Output modules. A backplane provides connections between the modules.

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Chapter 1 Overview of the TimeProvider

Functional Description

Input Module

The Input module receives the incoming reference signals and contains the alarm input/output connector. A variety of connector modules allows you to select the connector style and input impedance to match the wiring system at the installation site.

Information Management Card (IMC)

The Information Management Card, known as the IMC, contains a processor that manages communications between the two IOCs and the serial and Ethernet communications ports. It also provides communication to the GPS receiver in the antenna; if the IMC fails or is removed, GPS operations cease.

Input/Output and Clock Module (IOC)

The TimeProvider operates with one or two IOCs. A second IOC in the shelf provides protection should the primary IOC fail. The IOC accepts the incoming reference signal and decodes the SSM, if present.

With the system properly provisioned and a reference signal selected, the local oscillator in the IOC operates in one of the following states:

 Warm-up – For up to 20 minutes after applying power to the shelf, the IOC

operates in warm-up mode.

 Fast-lock – After warm-up is complete, the IOC enters the fast-lock state, where it

quickly frequency-locks the local oscillator to the reference input.

 Normal lock – After the IOC has completed the fast-lock cycle, it enters the

normal lock mode, in which the TimeProvider uses the proper amount of filtering for the selected mode. When set to the SSU mode and locked to an active input traceable to a Primary Reference Source (PRS), the TimeProvider complies with the G.811 and GR-2830-CORE standards.

 Holdover – If the reference signal is lost, then the clock enters the holdover

mode. The accuracy of the TimeProvider output is then dependent on the quality level of the oscillator in the IOC.

 Free-run – If the IOC starts without a system reference, the TimeProvider enters

the free-run state after warm-up. If a reference is applied, then the TimeProvider enters the fast-lock and then the normal-lock states.

 Bridging – In the event that all input references are lost, the TimeProvider goes

into the bridging mode where the outputs continue to provide accurate timing outputs for a limited amount of time. If the inputs have not been requalified before the bridging time has elapsed, then the TimeProvider enters the holdover mode.

After the IOC has been in the Normal lock mode for at least three days, SmartClock holdover mode becomes available. Compared to the normal holdover mode, this mode provides a superior output quality.

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Chapter 1 Overview of the TimeProvider

System Power

Output Module

The Output module provides the output connectors for the TimeProvider. You can install up to four Output modules on the main shelf. Like the Input module, each Output module uses one of a variety of connectors that match the wiring system at the installation site. Making Output Connections, on page 60, describes the Output Modules available for the TimeProvider and the Expansion Panel.

Retimer Module

The Retimer module allows you to reshape, reamplify, and retime up to two E1 or T1 signals applied to the module and then deliver the improved signal to a connected Network Element. You can install a Retimer module in any of the four slots used by Output modules, but not in the available Expansion Panel. The T1 Retimer supports line build-out (LBO) of up to 655 ft. Making Retimer Connections, on page 62, and

Provisioning the Retimer Module, on page 112, provide more information on using

the Retimer module.

Expansion Panel

The Expansion Panel provides up to 32 additional outputs that the TimeProvider can generate. See Expansion Panel, on page 22 and Rack Mounting the Shelf and

Expansion Panel, on page 51 for more information.

TimeProvider Interface Unit

The TimeProvider Interface Unit (TPIU) provides power, communication, and a composite timing reference signal between the antenna and the TimeProvider main shelf. During antenna installation, you can use the LEDs on the TPIU to detail the status of the received power and antenna communication. See Making GPS

Connections, on page 64 for more information.

System Power

The TimeProvider main shelf has redundant –48v DC inputs. The inputs are diode or’d; in the event that one supply fails, the other takes over. The –48v returns are isolated from the chassis and circuit grounds. A 5 A fuse on the IOC protects the TimeProvider; the shelf is protected from damage in case the connections are reversed.

The power supply range is from –36 to –72 V DC. The power requirements vary according to the type of IOC installed;

Table 1-1. Typical Power Consumption

Table 1-1

lists the power requirements.

IOC Type

Max Power (W)

per IOC

Typical Power (W)

per IOC

Crystal 40 30

Rubidium 60 40 (70 with two Rb IOCs)

30 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

The procedure for installing power is described in Making Power Connections, on page 54.

Communication Ports

The TimeProvider contains three communications ports that allow you to provision, monitor, and troubleshoot the shelf. The Ethernet and Remote serial ports are located on the shelf, and the local Craft serial port is located on the IMC. You communicate with the TimeProvider using the TL1 protocol.

You can select one of four security levels for each user; each level has varying levels of access to provisioning parameters. See Defining the Security Parameters, on page 90.

Ethernet

An Ethernet connector provides connectivity to an Ethernet local area network. Each main shelf has a unique internet protocol (IP) address. Once the IP address is set and a connection is made to a LAN, you can access the TimeProvider on an intranet.

Chapter 1 Overview of the TimeProvider

Communication Ports

The Ethernet port supports up to 10 simultaneous connections to port 5000.

Local Craft Serial Port

This EIA-232 port supports local control; you can configure the TimeProvider with TL1 commands using a terminal or personal computer (PC) with terminal emulation software or Symmetricom’s craft software, SynCraft. The connector is located on the front panel of the IMC. The default specifications are 9600-8-N-1. The Local port is configured as a DCE interface.

Remote Serial Port

The Remote serial connector can be used in the same manner as the local Craft serial port. The Remote port has additional control support to manage an external modem for remote access. The Remote port is configured as a DTE interface.

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Chapter 1 Overview of the TimeProvider

Reference Input Signals

The Input module accepts one or two E1, 2.048 MHz analog, 1.544 MHz or 6.312 MHz analog (Japan-specific), T1, and Composite Clock (including JCC and JCC4) inputs on ports INP1 and INP2. The CC inputs are used solely for Subtending mode; if you provision INP1 or INP2 to a CC type, then Subtending mode is automatically enabled. You can also connect a 2.048, 5, or 10 MHz or Japan-specific 1.544 MHz or 6.312 MHz input reference signal on the PRS port. The TimeProvider accepts full-level signals or bridged signals (–20 dB); the inputs are terminated per G.703. You can also connect a GPS antenna via the TimeProvider Interface Unit (TPIU) to the GPS Input port on the shelf.

Make the input connections using the procedures described in Making Input

Connections, on page 57, then provision the inputs using the software commands

described in Provisioning the Input Reference, on page 99.

Input State

You can provision each input to one of three states:

 Disabled – the input is not used

 Monitor – the system monitors the input for signal faults and performance data,

but it cannot be selected as the system reference

 Enabled – the system monitors the input for signal faults and performance data.

The input can be selected as the system reference in SSU or SUB mode or as a backup reference in PRR mode.

Selecting the Input

Many considerations influence which system reference you choose:

 SSM or User-assigned Quality Level

 User-assigned Priority Level

 Switching mode

 User-assigned Input State

 Active alarms on an input

You can provision the TimeProvider to automatically select the highest-quality input based on priority and performance qualification, or you can manually select the input signal you want to use. If that signal becomes disqualified for any reason, the local oscillator goes into the Holdover mode.

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Reference Input Signals

Revertive Switching

Telcordia GR-378 and GR-1244 define two reference selection modes: Revertive and Non-revertive. In the revertive mode, when an input used as the system reference is disqualified (for any reason), if that input returns, it reverts to the system reference when the disqualifying reason is removed. The system reference switches two times: once when the disqualifying event occurs, and again when the input is no longer disqualified. In the non-revertive mode, the system reference does not revert to the initial input when the reason for disqualification is removed. The system reference switches only once when the disqualifying event occurs.

Quality Level and Priority Level

When the REFMODE parameter is provisioned to AUTO, the system reference switches when the input signal is disqualified. When the input signal is re-qualified, the TimeProvider can either keep the current reference or switch back to the re-qualified signal. When the REFMODE parameter is set to FORCED, then the reference does not switch and remains locked to that reference and the local oscillator enters Holdover mode if the input is not re-qualified. You may also provision the REFMODE parameter to FORCED to select an input as the system reference regardless of the priority levels of other outputs. If this input is lost or is disqualified, then the REFMODE automatically changes to AUTO and the next available reference based on priority and QLEVEL becomes the system reference. If no other input references are available, the TimeProvider enter the Holdover mode.

The QLEVEL (Setting the Input Quality Level, on page 104) and the PRIORITY (Setting the Input Priority Level, on page 105) parameters work together with SSMs to determine the switching strategy for the inputs when the unit is in the SSU mode. If the active/primary input becomes unavailable, the switching strategy determines which input to use: the TimeProvider uses the input with the next highest QLEVEL. If all inputs have the same QLEVEL, then the TimeProvider uses the input with the highest PRIORITY.

To provision the TimeProvider as non-revertive, you must provision the user-assigned Priority Level on all inputs to the same value. To provision the TimeProvider as revertive, you provision any one of the inputs to a different Priority Level.

If the original primary input becomes available again, the REFMODE, QLEVEL and PRIORITY parameters determine whether the TimeProvider switches back to that input. If REFMODE is set to AUTO, then the reference switches according to the QLEVEL and PRIORITY settings. If the QLEVEL and/or PRIORITY parameter of the original input is higher than the current input, the TimeProvider reverts back to the original input. If the QLEVEL parameter is the same for all inputs, then the TimeProvider does not revert back to the original input.

SSMs and Quality Level

Synchronization Status Messages (SSMs) can be included in the bit stream of the incoming signal to indicate its quality level. You must provision the input to read the SSM, and you must provision the bit position of the incoming SSM.

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Chapter 1 Overview of the TimeProvider

Reference Input Signals

If the incoming signal does not include SSMs, or if you disable them, then you can provision the Quality Level to an appropriate value. The QLEVEL value is used in the same manner as the incoming SSM to determine which input is used when the active input is disqualified. SSMs are described in more detail in Synchronization

Status Messages (SSMs), on page 37.

SSU Mode

Table 1-2 illustrates which input is the active system reference under several

different input conditions when the TimeProvider is in the SSU mode.

Table 1-2. SSU-Based Reference Selection Scenarios

Active Reference

Revertive

Sequence

QLevel on

PRS

QLevel on

INP1

QLevel on

INP2

Non-Revertive

1222PRS INP1

2422INP1 INP1

3442INP2 INP2

4444INP2 INP1

5442INP2 INP2

6422INP2 INP1

7222INP2 INP1

822LOSPRS INP1

92LOS2PRS PRS

10 LOS LOS 2 INP2 INP2

11 LOS LOS LOS Holdover Holdover

12 LOS LOS 2 INP2 INP2

13 2 LOS 2 INP2 PRS

14 2 2 2 INP2 INP1

Note:

Non-revertive example. Priority Levels set to: PRS = 3, INP1 = 3, and INP2 = 3

Revertive example. Priority Levels set to: PRS = 2, INP1 = 1, and INP2 = 2

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Reference Input Signals

Subtending Mode

Table 1-3 illustrates which input is the active system reference under several

different input conditions when the TimeProvider is in the Subtending mode.

Table 1-3. Subtending-Based Reference Selection Scenarios

Active Reference

Revertive

Sequence

QLevel on

INP1

QLevel on

INP2

Non-Revertive

111INP1 INP1

221INP2 INP2

322INP2 INP1

421INP2 INP2

511INP2 INP1

6 1 LOS INP1 INP1

7 LOS LOS Holdover Holdover

8LOS1INP2 INP2

911INP2 INP1

Note:

Non-revertive example. Priority Levels set to: INP1 = 3, and INP2 = 3

Revertive example. Priority Levels set to: INP1 = 1, and INP2 = 2

GPS Inputs

Symmetricom provides a complete GPS antenna system for the TimeProvider. This includes the Symmetricom GPS Antenna, the TimeProvider Interface Unit (TPIU), and associated cables. Figure 1-7 illustrates the TPIU. See Making GPS

Connections, on page 64 for more information on installing the GPS Antenna and

the TPIU.

Figure 1-7. The TimeProvider Interface Unit (TPIU)

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Chapter 1 Overview of the TimeProvider

Clock Performance

Two IOCs are available:

 A Rubidium-based version that meets ST2/Type II standards. This IOC meets or

exceeds the ITU G.812 Type II specification.

 A Quartz-based version that meets ST3E/Type I standards. This IOC meets or

exceeds the ST3E requirements in ANSI T1.101 and Telcordia GR-1244, as well as the ITU-T G.812 TYPE III specification and ITU-T G.812 Type I specification.

Output Signals

The main shelf has 32 output connections arranged in four groups of eight outputs; using the optional Expansion Panel, you can expand to 64 outputs. The outputs are “universal,” and can supply E1, 2.048 MHz, T1, 8 kHz, CC, JCC, JCC4, 1.544 MHz, and 6.312 MHz signals. E1 and T1 signals can be provisioned with standard framing and G.703 formats. You provision the outputs in groups of eight outputs (or 16 outputs if the optional Expansion Panel is installed).

The TimeProvider use interchangeable Output modules, allowing you to select the connector and termination impedance. Output modules are available with the following connectors:

 BNC – 75 Ω

 DB9 – 120 Ω

 Metric (Siemens) 1.6/5.6 – 75 Ω

 Metric (Siemens) 1.0/2.3 – 75 Ω

 Wirewrap – 100 Ω

 BT43 – 75 Ω

Each Output module plugs into the shelf (and Expansion Panel) and provides connectors and terminations for eight outputs. Make the output connections using the procedures described in Making Output Connections, on page 60. You provision the output signal type using the software commands described in Provisioning the

Outputs, on page 111.

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Alarms

Chapter 1 Overview of the TimeProvider

Alarms

The TimeProvider uses alarms to notify you when certain conditions are

deteriorating below user-specified levels. These alarms are indicated by shelf and card status lamps (LEDs) and by TL1 messages reported over the serial/EIA-232 or LAN communication ports. In addition, the input panel has a connector that provides contact closures to activate external alarms.

You can provision the alarm level for most alarms to one of the following levels: non-reportable (NR), non-alarm event (NA), minor (MN), major (MJ), or critical (CR). Alarms related to the inputs are special cases; you can only provision input alarms for minor, major, or critical. To help prevent spurious or transient input alarms, a delay timer (FLTDELAY) allows you to provision a waiting period that starts after the alarm condition occurs; the alarm is set at the end of the period. A similar timer (CLRDELAY) clears the alarm after the alarm condition is no longer present.

Recommendation: To prevent Non-Service Affecting LOS alarms, Symmetricom recommends that you provision unused inputs to the Disabled state.

For more information on connecting alarms, see Making Alarm Connections, on page 63. For information on provisioning alarm levels, see Provisioning the Alarm

Levels, on page 114.

Synchronization Status Messages (SSMs)

The TimeProvider supports input and output SSMs. SSMs provide a method for providing clock quality information to any equipment that uses synchronization inputs. Table 1-4 describes the ANSI SSM values and the traceability associated with each value. Table 1-5 describes the ITU SSM values and the traceability associated with each value.

Table 1-4. ANSI SSM Quality Level Definitions

Description Quality Level Abbreviation

Stratum 1 Traceable 1 PRS

Synchronized – traceability unknown 2 STU | UNK

Stratum 2 traceable 3 ST2 | TYPE II

Transit Node traceable 4 TNC | TYPE I

Stratum 3E traceable 5 ST3E | TYPE III

Stratum 3 traceable 6 ST3 | TYPE IV

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide 37

Chapter 1 Overview of the TimeProvider

Synchronization Status Messages (SSMs)

Table 1-4. ANSI SSM Quality Level Definitions (Continued)

Description Quality Level Abbreviation

SONET Minimum Clock traceable (20 ppm clock)

Stratum 4 traceable (32 ppm clock) 8 ST4

Do Not Use for synchronization 9 DUS

Table 1-5. ITU SSM Quality Level Definitions

Description Quality Level Abbreviation

Primary Reference Clock 2 PRC

Transit Node 4 SSUT

Local Node 8 SSUL

Synchronization Equipment Clock 11 SEC

Do Not Use for synchronization 15 DNU

7SMC

The TimeProvider handles SSMs in accordance with T1X1.3 TR33, T1.101-1999, GR-253, and 379-CORE.

Input SSMs

The TimeProvider extracts and decodes the SSM (if present) on the available inputs. Using this information, the TimeProvider can automatically select the input with the higher quality level.

You can manually provision the input quality level for those signals that do not have SSM information or you can provision INP1 and INP2 to read the SSM on the input; in either case the quality level of the reference input becomes the system’s quality level, which is passed through to the outputs in the output SSM. If the IOC enters the Free-run or Holdover mode, the system’s quality level is determined by the CLKTYPE parameter for the local oscillator on the selected IOC module. You can provision the CLKTYPE parameter to Type I, Type II, ST2, or ST3E.

Output SSMs

You must provision the TimeProvider’s outputs according to the type of SSM operation you are using:

 For ANSI SSM operation, set the output type to Extended SuperFrame (ESF) for

ANSI SSM operation



For ITU SSM operation, set the output type to Channel Associated Signaling (CAS) with CRC4 framing (this setting is automatically set when you enable SSMs)

38 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

These output formats automatically generate SSMs. The system output quality level depends on the input quality level of the input signal or the local oscillator’s quality level. During normal operation, when a qualified input is used as the active timing reference, the TimeProvider copies the input’s quality level to all DS1 ESF outputs and E1 CAS4 outputs. T1 SSM messages are mapped to the corresponding equivalent E1 SSM message and vice versa.

If the IOC is operating in Holdover mode for any reason, the SSM quality is the internal level of the oscillator installed in the IOC.

SmartClock

The TimeProvider uses Symmetricom’s SmartClock technology, which predicts frequency changes due to aging of the local oscillator in the IOC; this offsets this deterministic behavior by steering the output with a corrected deviation.

The TimeProvider begins the learning process as soon as you apply a valid external reference source. The SmartClock technology is enabled after 24 hours of continuous lock; the TimeProvider then issues an event message similar to this:

Chapter 1 Overview of the TimeProvider

SmartClock

If you reset the IOC or if the oscillator becomes less stable (for example, due to extreme temperature swings), the TimeProvider disables SmartClock and issues an event message similar to this:

The TimeProvider automatically restarts SmartClock, which then begins to determine a new aging rate for the oscillator.

BesTime

The TimeProvider uses Symmetricom’s BesTime algorithm when it is in the PRR mode to provide enhanced GR-2830-CORE performance during bridging or holdover situations. BesTime minimizes the effect of transients on the reference signal on the outputs of the TimeProvider by comparing them against the system reference to produce the most stable outputs from the TimeProvider.

IOC1,EQPT,NA,SCAVAIL,NSA,04-12-14,12:13:14:\”SMARTCLOCK ALGORITHM, ENABLED\”

IOC1,EQPT,NA,SCAVAIL,NSA,04-12-17,15:16:17:\”SMARTCLOCK ALGORITHM, DISABLED\”

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide 39

Chapter 1 Overview of the TimeProvider

BesTime

The BesTime algorithm is based on Symmetricom’s patented use of multiple-input phase-locked loops (MPLLs) to generate a correction signal for the local oscillator (LO) in the IOC. With GPS as the primary input signal in PRR mode, the signals on the PRS, INP1 and INP2 inputs may be enabled and used in the BesTime ensembling algorithm to generate output signals derived from the optimum weighting of each input.

Two weighting algorithms - tracking and holdover - determine which of the inputs are used as the ensembled reference. The tracking algorithm is used during normal operation. If the GPS becomes disqualified, BesTime uses the holdover weighting algorithm to determine what the GPS input would have been had it not been lost. You can use the RTRV-BESTIME-STATS command to view the current weighting for each input.

The BesTime control loops are designed so that the short-term (under 10 minutes) stability is controlled by the LO, medium-term (10 minutes to several hours) stability is controlled by the ensembled reference, and long-term stability and accuracy is determined by the GPS control input.

The control loops can use either measurement data or prediction data. The inputs are measured for phase, frequency, and drift transients. When the input to either loop is determined to be valid, then the measured data is used to generate the correction signal to the local oscillator. If BesTime detects a transient on the input, it switches to the prediction data before the transient can start to affect the correction signal.

Normal Tracking

During normal GPS tracking, the GPS input provides the source of long-term stability for all inputs to the ensembling algorithm. The ensembling improves the medium-term stability of the output signals.

GPS Holdover

If GPS signals are lost, then all inputs to the ensembling algorithm have lost their source of long-term traceability. BesTime substitutes the inputs with calibration predictions with respect to GPS. Each input is weighted according to the estimated prediction error over 24 hours.

40 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Chapter 2 Engineering and Ordering Procedures

This chapter describes the items available with the TimeProvider, and lists the part number for each item.

In This Chapter

 Shelf

 Expansion Panel

 Input Modules

 Output Modules

 IMC and IOC Modules

 GPS Antenna

 Ordering and Parts List

 Accessories, Tools, and Equipment

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide 41

Chapter 2 Engineering and Ordering Procedures

Shelf

The TimeProvider is available in two configurations: Model 1000 Front Access and Model 1100 Rear Access.

Model 1000 Front Access

The ETSI-style shelf (990-58001-01) complies with ETSI 300-119 shelf projections. Each shelf accepts one IMC and one or two IOCs; the shelf also supports one Input module and from one to four Output modules. Each Output module terminates eight output timing signals. Alarms terminate on wire-wrap or DB-25 connectors, depending on the Input module used. The minimum configuration is one IMC and one IOC for non-protected operation. Using two IOC modules provides protection in case one of the IOC modules fail. See Table 2-5 for part numbers for front-access shelf systems.

Model 1100 Rear Access

The NEBS-style shelf (990-58101-01) accepts one IMC and one or two IOCs; the shelf also supports one Input module and from one to four Output modules. Each Output module terminates eight output timing signals. Alarms terminate on wire-wrap or DB-25 connectors, depending on the Input module used. The minimum configuration is one IMC and one IOC for non-protected operation. Using two IOC modules provides protection in case one of the IOC modules fail. See Table

2-5 for part numbers for rear-access shelf systems.

Expansion Panel

The available Expansion Panel provides additional outputs from the main shelf. Like the main shelf, it comes in two configurations: Model 1000 Front Access and Model 1100 Rear Access. The Expansion Panel supports up to 32 additional output channels. Both panel kits contain rack mounting ears and extenders for 19-inch and 23-inch racks.

Front Access

The front-access Expansion Panel (part number 990-58002-01) provides an additional 32 outputs, for a system total of 64 outputs. The ETSI-style Expansion Panel supports up to four additional Output Modules with various connector types; each Output Module provides up to eight output signals. See Table 2-2 for part numbers for Output modules.

42 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Rear Access

The rear-access Expansion Panel (part number 990-58102-01) provides an additional 32 outputs, for a system total of 64 outputs. The NEBS-style Expansion Panel supports up to four additional Output Modules with various connector types; each Output Module provides up to eight output signals. See Table 2-2 for part numbers for Output modules.

Input Modules

Six Input modules are available to match the wiring scheme and termination impedance requirements at the installation site. Select one of these Input modules for use with your TimeProvider system. Table 2-1 lists the Input modules available for the TimeProvider.

Table 2-1. Input Modules Available for the TimeProvider

Chapter 2 Engineering and Ordering Procedures

Input Modules

Part Number Description

090-58061-01 BNC Input module

090-58061-02 Wire-wrap Input module

090-58061-03 DB9 Input module

090-58061-04 SMZ/BT43 Input module

090-58061-05 Metric (Siemens) 1.0/2.3 Input module

090-58061-06 Metric (Siemens) 1.6/5.6 Input module

Output Modules

Symmetricom has seven Output modules available for the TimeProvider that allow you to select the proper termination for your application. You can install any combination of up to four Output modules in the main shelf or in the available Expansion Panel. Table 2-2 lists the Output modules available for the TimeProvider.

Table 2-2. Output Modules Available for the TimeProvider

Part Number Description

090-58091-01 BNC Output module

090-58091-02 Wire-wrap Output module

090-58091-03 DB9 Output module

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Chapter 2 Engineering and Ordering Procedures

IMC and IOC Modules

Table 2-2. Output Modules Available for the TimeProvider (Continued)

Part Number Description

090-58091-04 SMZ/BT43 Output module

090-58091-05 Metric (Siemens) 1.0/2.3 Output module

090-58091-06 Metric (Siemens) 1.6/5.6 Output module

090-58081-02 T1 Retimer Output module (wire-wrap)

090-58082-01 E1 Retimer Output module (BNC)

090-58082-06 E1 Retimer Output module (Siemens 1.6/5.6)

090-58091-99 Blank module (cover for any unused Output

module locations)

IMC and IOC Modules

Symmetricom has several modules available for the TimeProvider that provide varying levels of clock stability. You can install any combination of IOC modules in the main shelf. Table 2-3 lists the IOC and IMC modules available for the TimeProvider.

Table 2-3. IOC and IMC Modules Available for the TimeProvider

Part Number Description

090-58021-01 Quartz IOC, single-oven

090-58022-01 Rubidium IOC

090-58021-99 Blank Clock Module cover

090-58031-01 IMC

44 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

GPS Antenna

The following table identifies the parts available for the GPS antenna.

Table 2-4. GPS Parts and Accessories

Part Number Description

990-58545-01 TimeProvider Integrated GPS Antenna Kit, Rear Access

990-58545-02 TimeProvider Integrated GPS Antenna Kit, Front Access

090-58545-01 TimeProvider GPS Antenna

090-58545-21 TPIU for Front or Rear Access shelf

Chapter 2 Engineering and Ordering Procedures

GPS Antenna

060-58543-03 060-58543-10 060-58543-20 060-58543-50

060-58544-03 060-58544-10 060-58544-20 060-58544-50

060-58545-01

060-58545-02 060-58545-05 060-58545-10 060-58545-20 060-58545-30 060-58545-50 060-58545-60 060-58545-80 060-58545-99

Front Access TPIU Interconnect cable, 1 m (3 ft) Front Access TPIU Interconnect cable, 3 m (10 ft) Front Access TPIU Interconnect cable, 6 m (20 ft) Front Access TPIU Interconnect cable, 15 m (50 ft)

Rear Access TPIU Interconnect cable, 1 m (3 ft) Rear Access TPIU Interconnect cable, 3 m (10 ft) Rear Access TPIU Interconnect cable, 6 m (20 ft) Rear Access TPIU Interconnect cable, 15 m (50 ft)

RG-58 cable, 3 m (10 ft)

RG-58 cable, 6 m (20 ft) RG-58 cable, 15 m (50 ft) RG-58 cable, 30 m (100 ft) RG-58 cable, 60 m (200 ft) RG-58 cable, 90 m (300 ft) RG-58 cable, 150 m (500 ft) RG-58 cable, 180 m (600 ft) RG-58 cable, 240 m (800 ft) RG-58 cable, 300 m (1000 ft)

154-00023-01 Crimp tool for RG-58 cable

371-001 TNC connectors for RG-58 cable

Note:

These lengths are to be used only between the TimeProvider antenna and

lightning suppressor.

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide 45

Chapter 2 Engineering and Ordering Procedures

Ordering and Parts List

All IOCs, IMCs, and Input and Output Connector modules are sold separately. Use

Table 2-5 to identify the available TimeProvider shelf types.

Table 2-5. TimeProvider Shelves

Model Outputs Part Number

1000 Front Access Main Shelf

1000 Front Access Expansion Shelf

1100 Rear Access Main Shelf

1100 Rear Access Expansion Shelf

8 to 32 (1 to 4 Output Connector modules)

8 to 64 (1 to 8 Output Connector modules)

8 to 32 (1 to 4 Output Connector modules)

8 to 64 (1 to 8 Output Connector modules)

Accessories, Tools, and Equipment

You need to supply the following tools and materials for installing and testing the TimeProvider:

 Phillips-head screwdriver for installing the TimeProvider shelf in a rack

 ESD wrist strap for installing cards

 Digital multimeter (Fluke 77 or equivalent) for verifying power connections to the

shelf

990-58001-01

990-58002-01

990-58101-01

990-58102-01

 Laptop computer with communications software such as HyperTerminal,

ProComm Plus, etc. for provisioning the TimeProvider

 (Optional) Dual-channel oscilloscope with 100 MHz minimum bandwidth for

verifying that clock input and output signal(s) are within the specified voltage range, and for checking output waveforms

 DB-9 M to DB-9 F cable for connecting to the local Craft port

 DB-25 M connector for alarms

 Soldering iron and solder and appropriate cable for building power and alarm

connectors

46 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Chapter 3 Installing the TimeProvider

This chapter describes the procedures for installing the TimeProvider shelf and the available Expansion Panel.

In This Chapter

 Getting Started

 Unpacking the Unit

 Rack Mounting the Shelf and Expansion Panel

 Making Connections

 Installation Check List

 Powering Up the Shelf

 Working With Cards

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Chapter 3 Installing the TimeProvider

Getting Started

Before beginning the installation, complete the pre-installation check described in

Pre-Installation Check, on page 48, perform the site survey in Performing a Site Survey, on page 48, and gather the necessary tools and materials described in Gathering the Tools, on page 49.

Caution: All telecom signal wiring (including I/O, clocks and Ethernet) must be installed with shielded cabling only and appropriately grounded.

Cabling shall be installed in compliance with intra-building surge, lightning, and EMC requirements.

This section describes the preliminary activities you need to perform before you install the TimeProvider

Pre-Installation Check

Before installation, ensure that the following preparations are in place:

 Grounded equipment rack

 A fused power panel is present (–48 V DC at 5 Amp)

Performing a Site Survey

Physical Space

The TimeProvider is designed to mount in a 19-inch (48 cm) rack. Rack ears are available to mount the shelf in a 23-inch (58 cm) rack. The ETSI front-

6.875 inches tall (177 mm), or 4 RU (Rack Units, where 1 RU = 1.75 ventilation, plan on leaving a 1 RU space below the shelf. The

NEBS rear-access shelf is 5.25 inches tall (133 mm), or 3 RU. For ventilation, plan for a 1 RU space above and below the shelf.

The Expansion Panel also mounts in a 19-inch (48 cm) rack, and it is 3.5 inches (89 mm, or 2 RU) tall. The Expansion Panel does not require ventilation spaces above or below it.

You can mount the shelf so that it protrudes 2 inches (5 cm) or 5 inches (12.7 cm) from the front of the rack, or you can mount it flush with the front of the rack.

access shelf is

in/

44.45 mm). For

Environmental Requirements

To prevent the unit from interfering with other equipment, install and operate the unit according to the following guidelines:

48 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Chapter 3 Installing the TimeProvider

 Use only shielded cable for all signal wiring, including I/O, clocks and Ethernet,

Getting Started

and ground appropriately at both ends, or as required by local standards.

 Secure all cable screws to their corresponding connectors.

Caution: To avoid interference to the TimeProvider, you must consider the electromagnetic compatibility (EMC) of nearby equipment when preparing to install the TimeProvider.

Electromagnetic interference can adversely affect the operation of nearby equipment.

Gathering the Tools

These standard tools and materials are not supplied, but may be required for installing the TimeProvider:

 Standard tool kit

 Cable ties, waxed string or acceptable cable clamps

 No. 16 AWG (minimum) wire (1.31 mm

) for –48 V DC, return, and Frame

Ground

 Telecom signal wiring (including I/O, clock, and Ethernet) uses shielded cabling

of the appropriate impedance required by the specific signal type

 Mating connectors for terminating signal wiring

 For wire wrap connections only: No. 22 AWG (0.326 mm

) shielded twisted pair wire-wrap cable of the appropriate impedance for the specific signal requirements

 Wire wrap tool (wire wrap modules only)

 Fasteners for mounting the equipment in rack

 Digital Voltmeter (DVM)

 Soldering iron and solder for the ETSI-version power connectors

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide 49

Chapter 3 Installing the TimeProvider

Unpacking the Unit

The TimeProvider and accessories are packaged to protect from normal shock, vibration, and handling damage.

Caution: To avoid electrostatic discharge (ESD) damage to parts that are packaged with the TimeProvider, observe the following procedures.

Unpack and inspect the unit as follows:

1. Wear a properly grounded protective wrist strap or other ESD device.

2. Inspect the container for signs of damage. If the container appears to be damaged, notify both the carrier and your Symmetricom distributor. Retain the shipping container and packing material for the carrier to inspect.

3. Open the container, being careful to cut only the packaging tape.

4. Locate and set aside the printed information and paperwork that is included in the container.

5. Remove the unit from the container and place it on an anti-static surface.

6. Locate and set aside small parts which may be packed in the container.

7. Remove the accessories from the container.

8. Remove the anti-static packaging from the unit and accessories.

9. Verify that the model and item number shown on the shipping list agrees with the model and item number on the equipment. The item number can be found on a label affixed to the TimeProvider. Contact your Symmetricom distributor if the model or item number do not match.

For a complete listing of TimeProvider item numbers and configuration options, contact your Symmetricom distributor.

50 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Rack Mounting the Shelf and Expansion Panel

Chapter 3 Installing the TimeProvider

Rack Mounting the Shelf and Expansion Panel

The installation procedure described in this section provides general guidelines for installing the shelf and the optional Expansion panel. Always follow applicable local electrical codes.

The main shelf (Model 1000 and 1100) mounts to either a 19-inch or 23-inch rack using reversible mounting ears. The Expansion panel uses a bracket to position the panel at the same depth as the shelf; expansion brackets are used for 23-inch racks.

1. Attach the rack mounting ears to the shelf using 8-32 x 3/8-inch screws. Ensure that the ears are attached at equal distances from the front of the unit, as shown in Figure 3-1 or Figure 3-2.

2. Mount the shelf to the front of the equipment rack rails with four screws and associated hardware. Use the proper screws for the equipment rack.

3. Mount the Expansion panel as shown in the following figures.

Figure 3-1. Installing the Model 1000 Shelf and Expansion Panel - 19-inch Rack

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Chapter 3 Installing the TimeProvider

Rack Mounting the Shelf and Expansion Panel

Figure 3-2. Installing the Model 1100 Shelf and Expansion Panel - 19-inch Rack

52 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Rack Mounting the Shelf and Expansion Panel

Chapter 3 Installing the TimeProvider

Figure 3-3. Installing the Model 1000 Shelf and Expansion Panel - 23-inch Rack

Figure 3-4. Installing the Model 1100 Shelf and Expansion Panel - 23-inch Rack

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide 53

Chapter 3 Installing the TimeProvider

Making Connections

Making Ground Connections

Use the procedure in this section for both the main shelf and the Expansion panel. After installing the TimeProvider shelf and/or the Expansion panel into the rack, make the grounding connections as follows.

Recommendation: Although there are a number of methods for connecting the equipment to earth ground, Symmetricom recommends running a cable of the shortest possible length from the ground lug to earth ground.

Front Access Shelf

To connect Chassis Ground on the front access chassis, connect a cable from the frame ground lug on the left side of the front panel to the proper grounding zone or master ground bar.

Rear Access Shelf

To connect Chassis Ground on the rear access shelf, connect a cable from Pin 3 of the power connector to the proper grounding zone or master ground bar.

Expansion Panel

All connections to the Expansion Panel, including chassis ground, are made using the interconnection cable.

Making Power Connections

The TimeProvider front- and rear-access shelves use different types of power connectors. Each shelf is delivered with the appropriate connector and shell.

Electrical Shock Caution: To avoid possible injury from shock, make sure that the fuses are removed from the fuse panel or power supply before connecting or applying power to the unit.

Warning: For continued fire protection, replace power supply fuse(s) with the specified type and a 5 A rating. There are no user-serviceable fuses in the TimeProvider shelf.

This unit must be grounded.

Refer all servicing to qualified personnel.

54 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Chapter 3 Installing the TimeProvider

Making Connections

To install the TimeProvider power connections:

1. Assemble a power connector appropriate for the type of shelf. Table 3-1 lists the pin-out for each type of connector.

Rear-access shelf: Crimp a No. 16 AWG (minimum) wire (1.31 mm then slide the pin into the shell.

Front-access shelf: Assemble the power connector as shown in Figure 3-6. Solder a No. 16 AWG (minimum) wire (1.31 mm

) to each pin. Slip the

appropriate grommet over the wires, and screw the shell together.

2. Attach the connector to the Power A and Power B connectors on the shelf.

Table 3-1. Power Connections

Model 1100 Rear Access (NEBS) Shelf Model 1000 Front Access (ETSI) Shelf

Signal Terminal Signal Terminal

48 Volt Negative Lead 1 Frame Ground 1

48 Volt Positive Lead (return) 2 48 Volt Negative Lead 2

Frame Ground 3 48 Volt Positive Lead (return) 3

Unused 4 – –

) to each pin,

Rear Access Shelf Front Access Shelf

Pin 1: -48 V DC Battery

Pin 1: Frame ground

Pin 2: -48 V DC RTN

Pin 3: Frame ground

Pin 4: unused

Figure 3-5. Power Terminal Connectors

097-58001-02 Revision C – August 2005 TimeProvider User’s Guide 55

Pin 2: -48 V DC negative lead

Pin 3: Return

Chapter 3 Installing the TimeProvider

Making Connections

Figure 3-6. Assembling the ETSI Power Connector

Expansion Panel

All connections to the Expansion Panel, including power, are made using the interconnection cable, part number 060-58002-03.

Verifying Power and Grounding Connections

To verify power and grounding connections:

1. Using a DVM, measure the voltage between pins 1 and 2 on the rear access (NEBS) connector or between pins 2 and 3 of the front access (ETSI) connector.

2. Verify that voltage is –36 to –72 V DC. The inputs are protected against reverse polarity.

56 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Chapter 3 Installing the TimeProvider

Making Connections

Making Input Connections

You connect the input signals to the TimeProvider using one of the Input modules listed in Table 3-2. Connect the Input module to the shelf before you attach cables.

Table 3-2. Input Connector Modules Available for the IOC

Item Number Description Alarm Connector Reference

090-58061-01 BNC Input module DB-25 (see Table 3-6) Figure 3-7

090-58061-02 Wire-wrap Input module Wire-wrap Figure 3-8

090-58061-03 DB9 Input module DB-25 (see Table 3-6) Figure 3-9

090-58061-04 BT43 Input module DB-25 (see Table 3-6) Figure 3-10

090-58061-05 Metric (Siemens) 1.0/2.3

Input module

090-58061-06 Metric (Siemens) 1.6/5.6

Input module

DB-25 (see Table 3-6) Figure 3-11

Installing the Input Module

Attach the Input module to the shelf and secure it by tightening the screws on each side of the module.

Figure 3-7. BNC Input Module

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Chapter 3 Installing the TimeProvider

Making Connections

Figure 3-8. Wire-Wrap Input Module

Figure 3-9. DB9 Input Module

The pinout for the DB9 Input module is shown in Table 3-3.

Table 3-3. Pinout for the DB9 Input Module

Pin Description

3 Chassis ground

4 Span Input Tip

8 Span Input Ring

58 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Figure 3-10. BT43 Input Module

Chapter 3 Installing the TimeProvider

Making Connections

Figure 3-11. Metric (Siemens) Input Module

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Chapter 3 Installing the TimeProvider

Making Connections

Making Output Connections

You make the output signal connections using one of the Output modules listed in

Table 3-4. Attach the module to the shelf before you connect cables.

Table 3-4. Output Connector Modules

Item Number Description Reference

090-58091-01 BNC Output module Figure 3-12

090-58091-02 Wire-wrap Output module Figure 3-12

090-58091-03 DB9 Output module Figure 3-13

090-58091-04 SMZ/BT43 Output module Figure 3-13

090-58091-05 Metric (Siemens) 1.0/2.3 Output

module

090-58091-06 Metric (Siemens) 1.6/5.6 Output

module

090-58081-02 T1 Retimer Output module (wire-wrap) Figure 3-14

090-58082-01 E1 Retimer Output module (BNC) Not shown

090-58082-06 E1 Retimer Output module (Siemens

1.6/5.6)

Figure 3-14

Not shown

Installing the Output Module

Attach the Output module to the shelf and secure it using the screws at the top and bottom of the module.

Table 3-5 lists the pinout for the DB9 Output module, which is shown in Figure 3-13.

Table 3-5. Pinout for the DB9 Output Module

Pin Description

1Port A Tip

2 Port A Ring

4, 5, and 6 Chassis Ground

8Port B Tip

9 Port B Ring

60 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Chapter 3 Installing the TimeProvider

Making Connections

Figure 3-12. BNC and Wire-Wrap Output Modules

Figure 3-13. DB9 and BT43 Output Modules

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Chapter 3 Installing the TimeProvider

Making Connections

Figure 3-14. Metric (Siemens) Output Module and T1 Retimer Wirewrap Output Module

Making Retimer Connections

The Retimer module (shown in Figure 3-14) performs reshaping, reamplifying, and retiming on a signal connected to the IN pins on Side 1 (East) and sends that signal to a Network Element (NE) connected to the OUT pins on Side 1. The signal returns from the NE on the IN pins of Side 2, where it is reshaped and reamplified and sent back to the network on the OUT pins of Side 2. Figure 3-15 illustrates how to make connections to Channel 1 of the Retimer module. See Provisioning the Retimer

Module, on page 112, for the commands to set up the Retiming module.

You can install a Retimer module only in the TimeProvider main shelf in any of the four Output groups (A, B, C, or D). When you install a Retimer module in any Output group in a main shelf, the corresponding group on the Expansion Panel can be user-programmed to any of the output signal types supported by the TimeProvider. For example, if Group A on the main shelf has the T1 Retimer module installed, then Group A on the Expansion Panel could have a 2.048 MHz analog output. When an output group on the main shelf is used for output signals only (no Retimer module is installed), then the corresponding group on the Expansion Panel has the same output signal as on the main shelf. For example, if Group A on the main shelf has

2.048 MHz outputs then Group A on the Expansion Panel also has 2.048 MHz

outputs.

62 TimeProvider User’s Guide 097-58001-02 Revision C – August 2005

Chapter 3 Installing the TimeProvider

Making Connections

Figure 3-15. Making Retimer Connections

Making Alarm Connections

To install alarm connections on the Input Module, use a customer-supplied DB-25 connector to build an alarm connection to the TimeProvider. Table 3-6 lists the pinout for the DB-25 Alarm connector found on all the Input modules (except the wire wrap version).

Table 3-6. Alarm Connector Pinout

Pin Description

1 No Connection

2 Minor Normally Closed (NC) Audible

3 Minor Common Audible

4 Minor NC Visual

5 Minor Common Visual

6 Major NC Audible

7 Major Common Audible

8 Major NC Visual

9 Major Common Visual

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Table 3-6. Alarm Connector Pinout (Continued)

Pin Description

10 Critical NC Audible

11 Critical Common Audible

12 Critical NC Visual

13 Critical Common Visual

14 Ground

15 Minor Normally Open (NO) Audible

16 Critical PRS Input NO

17 Minor NO Visual

18 Critical PRS Input Common

19 Major NO Audible

20 Major PRS Input NO

21 Major NO Visual

22 Major PRS Input Common

23 Critical NO Audible

24 No Connection

25 Critical NO Visible

Pin 1

Pin 25

Figure 3-16. DB-25 Alarm Connector (Front View)

Making GPS Connections

To connect a GPS signal to the TimeProvider, you must install a GPS antenna and the TimeProvider Interface Unit (TPIU) using the procedure in this section.

Installing the GPS Antenna

These installation procedures are to be used in support of local company procedures and the Installation Job Specification.

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Prior to installing the antenna, the site, antenna location, lightning suppressor location, cable route, and all other details should be planned. Use Figure 3-17 as a guide to locating the antenna.

Figure 3-17. Locating the GPS Antenna

To install the antenna, refer to Figure 3-18, and perform the procedure in this section. Ensure all user-supplied materials are available. The minimum distance between the antenna and the shelf is 20 feet (6 m); the maximum distance between the antenna and the shelf is 1000 feet (304 m).

Warning: To prevent arcing, ensure that the lightning suppressor is installed away from electrical devices and cabling.

Note: Use the following antenna installation instructions as a guideline only. Install the antenna using company-approved techniques, and follow all appropriate local building and electrical codes.

Recommendation: The TimeProvider uses an antenna that requires a minimum cable length of 20 feet (6 m) from the antenna to the TPIU. Symmetricom recommends that you adhere to this minimum length requirement to ensure proper antenna operation.

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Recommendation: Symmetricom recommends that you use one of

the following grounding points:

 Valid roof ring ground system.  Cad weld to building structural steel.  Central office ground plate within 15 m of antenna cable entrance

into building.

Order two cables, or a single cable run can be made from the antenna to the TimeProvider shelf. The cable can then be cut at the lightning suppressor location, and TNC connectors attached to the cut ends of the cable. The “xx” in the part number indicates the cable length.

Figure 3-18. Antenna-to-Shelf Cabling

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To install the antenna:

1. Attach the antenna mounting bracket to a 1-inch (2.5 cm) diameter pipe or wood post.

– If you are mounting the bracket to a pipe, assemble as shown in

Figure 3-19. Slide the two V-bolts over the pipe, and through the mounting

bracket slots; then place the provided four washers and four nuts over the V-bolts, against the mounting bracket. Leave the V-bolts loose enough to allow for final adjustments.

Figure 3-19. Installing the Antenna Bracket on a Pipe

– If you are mounting the bracket to a wood post, assemble as shown in

Figure 3-20. Install the provided two self-tapping screws in two diagonally

positioned mounting bracket slots, and attach to the post.

Figure 3-20. Installing the Antenna Bracket on a Post

Mount the antenna and mast assembly to the “L” bracket.

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2. Connect the mast to the flange using PVC glue.

Feed an RG58 (060-58545-xx) cable through the bottom of the mast as illustrated. See Table 2-4 for specific cable lengths.

4. Connect the cable to the antenna “pigtail” and pull the cable back through the mast.

5. Mount the antenna to the mast using the supplied shims.

6. Mount the antenna and mast assembly to the “L” bracket using the supplied nuts, bolts, and washers, as shown in Figure 3-21.

Figure 3-21. Attaching the Antenna to the Bracket

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7. Using a plumb line or bubble level, ensure the antenna is within 5° of vertical (perpendicular to the horizon), and tighten the mounting bracket bolts.

8. Bolt the lightning suppressor mounting plate to a flange that is attached to a valid earth ground. The roof ring ground system, a Central Office grounding plate, and building structural steel are examples of valid earth ground points. If the mounting plate cannot be bolted to a valid earth ground, bolt the mounting plate to a point within 15 feet (4.6 m) of the chosen valid earth ground. If the mounting plate is to be installed in a nonmetallic junction box, perform the installation and bolt the assembly near the chosen valid earth ground.

Note: A junction box must have inside dimensions of 7 cm by 7 cm by 4 cm to hold the mounting plate and attached components.

9. Assemble the lightning suppressor as shown in Figure 3-22.

Figure 3-22. Assembling the Lightning Suppressor

10.Install 1.5 inch (3.8 cm) nonmetallic conduit from the antenna to the lightning suppressor, and from the lightning suppressor to the cable entrance into the building.

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11.Install a user-supplied bracket, preferably non-metallic, to support the vertical section of conduit to the antenna.

12.Route the antenna cable through the conduit, and connect the cable to the lightning suppressor. See Table 2-4 for specific cable lengths.

13.If the lightning suppressor is not mounted directly to a valid earth ground, crimp a length of 4.115 mm (6 AWG) ground cable to the two-hole terminal, slide the terminal over two of the three threaded posts on the lightning suppressor mounting plate, and attach the terminal to the mounting plate with two KEPS nuts. Use the two posts that allow the least bending of the cable.

14.Connect an RG58 (060-58545-xx) cable between the lightning suppressor and the TPIU. See Table 2-4 for specific cable lengths.

15.Install fire-stopping material in all holes opened in the roof and/or walls during this procedure.

16.Check all connections for tightness to prevent arcing and intermittent operation.

17.Coat all exposed connectors with an electrically conductive antioxidant compound (e.g. Kopr-Shield spray).

Installing the TPIU

You mount the TPIU on a rack near the TimeProvider main shelf. Symmetricom supplies the connecting cable (060-58543-xx or 060-58544-xx) in several lengths, as listed in Table 2-4. The Integrated GPS Antenna kit (990-58545-01 or 990-58545-02). Mount the TPIU to the rear rails of the rack using the provided rack ears. Install the TPIU so that the front panel is on the same side as the Output modules. Figure 3-23 and Figure 3-24 illustrate alternate mounting schemes.

To connect the TPIU to the shelf, attach the DB15 interconnect cable (060-58543-03 or 060-58544-03) to the connector labeled “GPS” on the TimeProvider shelf. This connector is on the front panel of the Model 1000 and on the rear panel of the Model

1100. Connect the other end of the cable to the DB15 connector on the TPIU.

To use the GPS signal, set the TimeProvider to the PRR mode, as described in

Provisioning the IOC, on page 96, or enable the GPS input when in SSU mode.

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Figure 3-23. Mounting the TPIU and Expansion Panel on the Same Rack Ears

Figure 3-24. Mounting the TPIU with a Model 1000 ETSI-Style Shelf

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Making Communications Connections

The Time Provider has one Ethernet and two serial ports available. The Ethernet connector is on the front panel of the Front Access shelf and on the rear panel of the Rear Access shelf; the local Craft serial port is on the faceplate of the IMC, and the Remote port is on the shelf.

The local Craft serial port is used for control and monitoring of the unit, and is configured as a DCE device. The Remote port can be used for remote dial-in connection to the unit, and is configured as a DTE device.

Connecting to the Local Craft and Remote Serial Ports

To connect a device to the local Craft or the Remote serial port, perform the following steps:

1. Connect a 9-pin serial cable to the desired port.

2. Connect the other end of the cable to the serial port of the PC or terminal device. Use the procedure described in Starting the TimeProvider for the First Time, on page 82, to connect to the TimeProvider.

The default settings for the local Craft serial port are DCE, 9600 Baud, 8 bits, no parity, 1 stop bit, echo on, and handshaking disabled. Table 3-7 lists the signal connections for the serial ports.

Table 3-7. Connector Pinouts for the Serial Ports

Local Craft Connector Remote Connector

Signal Pin Signal Pin

Local CD 1 CD 1

Local RD (Received Data) 2 RD 3

Local TD (Transmitted Data) 3 TD 2

Local DTR (Data Terminal Ready) 4 DTR 6

Ground 5 GND 5

Local DSR (Data Set Ready) 6 DCE 4

Local RTS (Request to Send) 7 RTS 8

Local CTS (Clear to Send) 8 CTS 7

Local RT 9 RT 9

The default settings for the Remote serial port are DTE, 9600 Baud, 8 bits, 1 stop bit, no parity (also known as 8-1-N), echo on, and handshaking disabled. The local port settings revert to factory default values when you reset the IMC.

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Chapter 3 Installing the TimeProvider

Changing Communications Settings

To change the communication settings for the local or remote serial ports:

1. Connect a PC or laptop with terminal emulation software, such as Windows Hilgraeve HyperTerminal

or ProComm Plus™ to the port and log in. For a complete description of this procedure, see Setting Communications

Parameters, on page 86.

2. Use the ED-EQPT command to change the communications settings for the port as required. See

Setting Communications Parameters

, on page 86, and also refer

to the TimeProvider TL1 Reference Guide for a description of TL1 commands.

Installing Connections to the Ethernet Port

You can connect a PC or terminal to the TimeProvider using the LAN connector for local monitoring or control, or you can connect the TimeProvider to a network for monitoring and control from a remote site.

Note: The TimeProvider can be controlled through a TCP/IP network connection, but before you can use it, you must configure the Ethernet settings using a serial connection. Refer to

Setting Ethernet Parameters, on page 88.

Direct Ethernet Connection

You use a direct Ethernet connection when a service technician is on-site. You must configure the Ethernet settings using TL1 commands over a serial connection before you can use the Ethernet connection. Use the direct connection to troubleshoot a LAN connection.

To connect the TimeProvider to a PC or terminal, perform the following steps:

1. Connect an RJ-45 Ethernet cable to the LAN connector on the shelf.

2. Connect the other end of the cable to the PC or terminal.

3. Start a terminal emulation program such as HyperTerminal or ProComm Plus. Configure the program for a telnet session and enter the IP address of the TimeProvider. Use Port 5000 to connect.

4. Type

; (semicolon). If the TimeProvider responds with a Deny response, you

have established communications. If you do not receive the Deny response, check the connections, the cable, and the program settings.

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Network Connection

You can use a network connection for routine monitoring and control of the TimeProvider from a remote site. Perform the following steps to connect the TimeProvider to a network.

1. Connect one end of an RJ45 cable to the LAN outlet. Connect the other end of the cable to the LAN connector on the TimeProvider.

2. To connect the PC or laptop to the LAN, connect one end of the RJ-45 cable to the Ethernet port of the PC or laptop. Connect the other end of the cable to the LAN outlet.

3. Use a remote monitoring software application such as SynCraft or TimePictra to connect to and monitor the TimeProvider. See Appendix B, CRAFT Software

Reference, for more information on installing and using SynCraft.

Table 3-8 lists the Ethernet communications port signal connections.

Table 3-8. Ethernet Communications Port Signal Connections

Name Pin

TX+ (Positive Side of Transmitted Data) 1

TX- (Negative Side of Transmitted Data) 2

RX+ (Positive Side of Received Data) 3

Not Used 4

Not Used 5

RX- (Negative Side of Received Data) 6

Not Used 7

Not Used 8

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Installation Check List

To verify that the installation of the TimeProvider is complete, perform the following checks and procedures in Table 3-9.

Table 3-9. Installation Completeness Checklist

Operation/Indication Complete

Verify that all power and ground wires are installed correctly and securely.

Verify that all communications cables are properly installed.

Verify that all input and output cables are properly installed.

Powering Up the Shelf

Chapter 3 Installing the TimeProvider

Installation Check List

There is no power switch on the TimeProvider. When you apply power to the unit, it enters the warm-up state. See Starting the TimeProvider for the First Time, on page 82, for more information on powering up the shelf.

Working With Cards

This section describes how to install, remove, and handle the cards associated with the TimeProvider.

Properly Handling Cards

When handling any of the cards, observe the following precautions:

1. Use proper static control precautions when handling cards! Protect the equipment against ESD (electrostatic discharge) by using a grounded protective wrist strap and normal equipment grounding.

2. Avoid touching component leads and edge connectors.

3. Avoid placing the card on an ungrounded surface.

4. Avoid allowing the card to come in contact with insulated surfaces.

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Working With Cards

Inserting Cards

This procedure is common for all cards.

Note: Cards can be removed and inserted while system power is supplied without damaging modules; however, system performance may be affected.

Caution: For continued EMC compliance, replace all deformed module gaskets with the same type. Clean gaskets and mating surfaces. Secure all cards with captive screws.

To insert a card into the shelf:

1. Align the card edges within the guides of the selected slot.

2. Slide the card into the chassis and press firmly until it seats fully into its backplane edge connector.

3. Tighten the captive screws located on each side of the panel.

Caution: To avoid possible damage or intermittent failures, ensure that you have completely inserted the card into the chassis and that you have securely tightened the captive screws.

Removing Cards

To remove an IOC, lift the tabs on the front panel and slide it out of the shelf. Be sure to place the card on a static-free surface.

To remove the IMC, Input, or Output modules, loosen and then pull out on the captive screws.

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Firmware Features

Table 3-10 describes the features provided in recent releases of the operating

firmware for the IOC and IMC.

Table 3-10. Firmware Feature Matrix

IMC Release IOC Release Features Added

1.01.04 1.01.02  E1/T1/2.048 MHz signals

Chapter 3 Installing the TimeProvider

Firmware Features

 Quartz IOC  SSMs

1.02.01 1.02.12

1.03.03 1.03.04

 GPS  Rubidium IOC  Japanese input/output signals  Composite Clock signals

 T1 Retimer  Input/output port labeling  Enhanced event log management

Each higher firmware revision includes support of the features from prior releases.

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Chapter 4 Provisioning the TimeProvider

This chapter describes the procedures for provisioning the TimeProvider and the available Expansion Panel. Use the procedures in this chapter after you have installed the TimeProvider (see Chapter 3, Installing the TimeProvider).

For detailed information on the syntax and format for each available TL1 command, refer to the TimeProvider TL1 Reference Guide, part number 097-58001-01.

In This Chapter

 TL1 Overview

 Starting the TimeProvider for the First Time

 Setting Communications Parameters

 Defining the Security Parameters

 Managing the User List

 Provisioning the IOC

 Provisioning the Input Reference

 Provisioning the Outputs

 Provisioning Alarms

 System Commands

 Saving Provisioning Data

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TL1 Overview

The TimeProvider uses the TL1 syntax; this chapter and the TimeProvider TL1 Reference Guide describes command lines and responses. For a complete

description of the TL1 syntax, refer to Telcordia (Bellcore) Technical Reference TR-NWT-00831 and TR-NWT-00833.

TL1 Command Structure

The TL1 commands you issue to the TimeProvider use the following structure:

verb-modifier:|tid|:|aid|:[<ctag>]::|<keyword>|=<value||;

where: : (colon) is a block separator , (comma) is a parameter field separator ; (semicolon) is the terminating character for commands and responses [ ] (square brackets) indicate optional parameters

Adjacent colons indicate unused fields. If an unused field is the last parameter in the list, for example the general block or the parameter block, you can omit the colon and simply type the semicolon.

If you enter a space in the command string, the TimeProvider ignores it.

TL1 commands are not case-sensitive.

Table 4-1 describes the syntax used in this manual.

Table 4-1. TL1 Syntax Conventions

Symbol Description

^ Space character (ASCII 0x20)

<cr> Carriage return (ASCII 0x0D)

<lf> Line feed (ASCII 0x0A)

[ ... ] Optional command parameter or data

< ... > ASCII characters sent in commands or returned in response

( ... ) Numeric data that can be positive or negative

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TL1 Overview

TL1 Response Format

Normal Response

For each TL1 command described in this chapter there is a normal response, an in-process response, or an error response. The TimeProvider response is always upper-case. The format of a normal response is:

<cr><lf><lf> ^^^sid^date^time<cr><lf> M ^ctag^COMPLD<cr><lf> ;

The time and date is in the Telcordia GR-833 format. A sample normal response is:

TIMEPROVIDER 03-08-28 11:23:54 M 1 COMPLD ;

In-Process Response

The TimeProvider sends an in-process response only if it cannot respond to the command within two seconds. The response terminates with a less-than character (<) with no semicolon until after the TimeProvider sends the requested output response message. The format of the in-process message is:

<cr><lf><lf> ^^^sid^date^time<cr><lf> IP^ctag<cr><lf> <

A sample in-process response is:

TIMEPROVIDER 03-08-28 11:24:15 IP^2 <

Error Response

If you mis-type a command or issue an invalid command, the TimeProvider sends an error message. The format of the error response is:

<cr><lf><lf> ^^^sid^date^time<cr><lf> M ^ctag^DENY<cr><lf> ^^^<errcde><cr><lf> ;

A sample error message is shown below:

TIMEPROVIDER 08-28-03 11:32:12 M 3 DENY

ICNV ;

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The TL1 command may generate an event message specific to the command. This event message accompanies the command description in this chapter.

Autonomous Messages

In addition to the TL1 response messages described in the above sections, the TimeProvider returns Autonomous Messages to report alarms, configuration changes, or condition changes. Frequently, an Autonomous Message is returned at approximately the same time as the TL1 response message that is associated with a command, because the command happens to change the unit’s state. Autonomous Messages are not directly correlated with commands, and therefore they do not contain a correlation tag (ctag).

The TimeProvider can generate an Autonomous Message at any time, whether to report that a user-initiated change has occurred, to report that an active alarm condition exists, or to report that an alarm has been cleared. The format of the Autonomous message is as follows; note that the text REPT identifies the response as a Autonomous Message.

sid date time <cr><lf> almcde atag REPT reptype aidtype<cr><lf>

aid,aditype:ntfcncde,condtype,srveff,ocrdat,ocrtim:condscr ”<cr><lf> ;

Refer to the TimeProvider TL1 Reference Guide for more information on Autonomous Messages.

Starting the TimeProvider for the First Time

The TimeProvider is delivered with a copy of SynCraft, Symmetricom’s network management application. Before you can use SynCraft or other network management software, you must provision the following parameters, as described in this section and in Setting Communications Parameters, on page 86:

 Security-level user

 Source ID (sid)

 Date and time

 Serial communications parameters

 Ethernet parameters

Appendix B, CRAFT Software Reference, provides procedures and instructions to

get started using the SynCraft application.

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Powering Up the TimeProvider

To power up the TimeProvider, perform one of the following tasks, as appropriate:

 Connect the power leads from the power supply (see Making Power

Connections, on page 54)

 Install the fuse in the fuse panel

 Turn on the power supply

LED Indications on Power-up

The LEDs on the IMC, IOC, and TPIU (if present) illuminate in the following sequence:

The LEDs on the TPIU remain off until the Master shelf has completed its power-on testing and the GPS input has been enabled. The TPIU and Antenna Power LEDs light green and the Antenna Signal LED lights red. When the Master shelf completes its power-on testing, the Antenna Signal LED lights green, indicating that the TPIU is receiving a valid signal from the antenna.

Logging In for the First Time

To log in to the TimeProvider for the first time:

1. Connect a straight-through serial cable to the local Craft port. Connect the other end of the cable to a computer.

2. Start a terminal emulation program such as HyperTerminal or ProComm Plus. Configure the program for 9600 baud, 8 data bits, No parity, and 1 stop bit.

3. Type

; (semicolon). If the TimeProvider responds with a Deny response, you

have established communications. If you do not receive the Deny response, check the connections, the cable, and the program settings.

Defining a User at the Security Access Level

Recommendation: To avoid a possible service call to unlock the TimeProvider, Symmetricom recommends that you enable the security feature by defining a user at the Security access level.

TimeProvider Access Levels

The security measures built into the TimeProvider are based on a list of users authorized to access the unit. Each user has their own password and is assigned to one of the following access levels: NONE, USER, ADMIN, or SECURITY. Users can issue the TL1 commands available at their access level. Managing the User List, on page 90, describes how to manage the user list.

If you do not define a Security-level user, the security features are not enabled and an unauthorized user could gain access to the TimeProvider and compromise the security of your network.

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If you define a user at a level other than Security before you define a Security-level user, you cannot execute Security-level commands. You will need to contact Symmetricom Global Services to correct this problem.

Recommendation: Symmetricom recommends that you record and store the Security-level user’s name and password in a secure location.

Adding a User at the Security Access Level

To define a user at the Security access level, issue the following TL1 command:

Sample Command

ENT-USER-SECU::DEPTHEAD:TS1000::”TP01!”,SECURITY;

This sample command creates a user with the name DEPTHEAD and a password of TP01!; this user is at the Security access level. See Adding a User, on page 92, for more information on the ENT-USER-SECU command.

Autonomous Message

TP-SSU 03-05-15 09:59:09

A 1166 REPT EVT

“IMC:NA,USRADD,NSA,03-05-15,09-59-09:\”USER HAS BEEN ADDED\”” ;

Logging In

You can now log in using the ACT-USER command and the new user name and password to continue with the provisioning process.

Sample Command

ACT-USER::DEPTHEAD:TS1000::TP01!;

Normal Response

TP-SSU 03-05-15 09:59:15 M TS1000 COMPLD ;

Users with the Security access level can issue any of the TL1 commands described in this chapter and in the TimeProvider TL1 Reference Guide.

Setting the Source ID <sid>

Use the SET-SID command to set the name of the TimeProvider. This name appears in normal and error response messages sent by the unit.

SET-SID:[<tid>]::[<ctag>]::<keyword>=<value>;

This command has a default access level of ADMIN.

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<keyword> <value> Description Default value

SIDCHG Up to 20 alphanumeric

characters. Do not use the “ character.

Sets the Source Identifier

N/A

Sample Command

SET-SID:::TS1000::SIDCHG=TP-SSU;

This sample command sets the <sid> to TP-SSU. All response messages are identified by this name. Symmetricom recommends that you use unique names for each TimeProvider in the network. Record the name you chose for the TimeProvider in Table 4-3.

If you include the _ character in the <value>, then the TimeProvider returns the SID in quote marks.

Autonomous Message

TP-SSU 03-05-15,10:02:03 A 1167 REPT EVT

“IMC,EQPT:NA,SIDCHG,NSA,03-05-15,10-02-03:\”SYSTEM’S SOURCE ID HAS CHANGED,TP-SSU\”” ;

Setting the Date and Time

Use the following TL1 command to set the date and time in the IMC.

ED-DAT:[<tid>]:[<aid>]:[<ctag>]::<keyword>=<value>;

This command has a default access level of ADMIN.

<aid> <keyword> <value> Description

SYS DATCHG

<yy-mm-dd>

TIMCHG (hh-mm-ss)

LOCTIM (

±hh-mm)

yy = <year> mm = 01 to 12 dd = 01 to 31

hh = 00 to 23 mm = 00 to 59 ss = 00 to 59

±hh = 00 to 12

mm = 00 to 59

2-digit year Month Day

Hour of Day Minutes Seconds

Time in hours and minutes that local time is offset from UTC.

Sample Command

ED-DAT::SYS:TS1000::DATCHG=03-10-24;

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Autonomous Message

TP-SSU 03-10-24 10:08:28 A 1168 REPT EVT

SYS,EQPT:NA,DATCHG,NSA,03-10-24,10-08-28:\"SYSTEM DATE HAS CHANGED,2003-10-24\”” ;

Setting Communications Parameters

If you want to change the communications parameter values, use the ED-EQPT command. The following sections describe the commands for performing each individual task. For detailed information on the ED-EQPT command, see the TimeProvider TL1 Reference Guide. Record the values you provision in Table 4-3.

Setting RS-232 Parameters

This section describes how to set the baud rate, the handshaking mode, and echo modes on the local and remote ports.

Setting the Baud Rate

Use the ED-EQPT command to provision the baud rate on the Local or Remote port.

ED-EQPT:[<tid>]:<aid>:[<ctag>]::<keyword>=<value>;

This command has a default access level of ADMIN.

<aid> <keyword> <value> Description Default value

COMp p = L | R

BAUD 2400 | 9600 |

19200 | 28800 | 38400 | 57600

Communications ports L = Local

R = Remote

Baud rate 9600

Sample Command

ED-EQPT::COML:TS1000::BAUD=9600;

This command sets the local Craft communications port to 9600 baud.

Normal Response

TIMEPROVIDER 03-10-24 10:10:25 M TS1000 COMPLD ;

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Setting the Handshaking (Flow) Mode

Use the ED-EQPT command to provision the handshaking mode on the local Craft or Remote port to None, Hardware, Software, or Hardware/Software.

ED-EQPT:[<tid>]:<aid>:[<ctag>]::<keyword>=<value>;

This command has a default access level of ADMIN.

<aid> <keyword> <value> Description Default value

COMp p = L | R

Communications ports

FLOW NONE | SW |

HW | SWHW

Flow control NONE

Sample Command

ED-EQPT::COML:TS1000::FLOW=HW;

Normal Response

TIMEPROVIDER 03-10-24 10:12:33 M TS1000 COMPLD ;

Setting the Echo Mode

Use the ED-EQPT command to provision the echo mode on the local Craft or Remote port to On or Off. When set to ENABLE, characters you type at the keyboard also appear on the monitor. If one keystroke generates two characters on the monitor, set this parameter to DISABLE.

You can also use this command to echo the <tid> in the response from the TimeProvider.

ED-EQPT:[<tid>]:<aid>:[<ctag>]::<keyword>[=<value>];

This command has a default access level of ADMIN.

<aid> <keyword> <value> Description Default value

COMp p = L | R

ECHO ENABLE | DISABLE Input echo DISABLE

TIDQUIET ENABLE | DISABLE Enables or disables the

Communications ports

DISABLE echo of the <tid>. This is a session setting.

Sample Command

ED-EQPT::COML:TS1000::ECHO=ENABLE;

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Setting Communications Parameters

Normal Response

TIMEPROVIDER 03-10-24 10:15:04 M TS1000 COMPLD ;

Setting Ethernet Parameters

Before you can begin using the Ethernet port, you must provision the addresses using the local Craft or Remote serial port.

If you are not planning to use the Ethernet port, you do not have to provision the parameters in this section.

Setting the IP Addresses

Use the ED-EQPT command to provision the following IP addresses for the TimeProvider:

 IP Gate address

 IP address

 IP Subnet address

You can also use this command to echo the <tid> in the response from the TimeProvider.

ED-EQPT:[<tid>]:<aid>:[<ctag>]::<keyword>=<value>;

This command has a default access level of ADMIN.

<aid> <keyword> <value> Description Default

COMI Comms ports

IPGATE 1.0.0.1

254.255.255.254

IPADDR 1.0.0.1

254.255.255.254

IPSUBNET 1.0.0.1

255.255.255.254

TIDQUIET ENABLE |

DISABLE

IP address of the default gateway 127.0.0.1

IP address of the Network Element

Enables or disables the echo of the <tid>. This is a session setting.

127.0.0.1

255.255.

255.0

DISABLE

Sample Command

ED-EQPT::COMI:TS1000::IPGATE=127.0.0.1;

This command sets the IP Gate address to 127.0.0.1. Use an appropriate gateway address for your network, and record the address in Table 4-3.

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Setting Communications Parameters

Autonomous Message

TP-SSU 03-10-24 10:15:04 A 1169 REPT EVT

“COMI:NA,IPGATE,NSA,03-10-24 10-15-04:\”IP GATE ADDRESS HAS CHANGED\”” ;

Checking Communication Links

Two commands allow you to check the communication links from a computer or network to the TimeProvider: PING and RTRV-HDR.

Ping

Use the PING command to check an Ethernet connection to the TimeProvider.

PING:[<tid>]::[<ctag>]::<ipaddr>;

This command has a default access level of USER.

<ipaddr> Value Description

IP address of host to be pinged 1.0.0.1 – 254.254.254.254 Pings the host system

Sample Command

PING:::TS1000::192.168.12.10;

Normal Response

TP-SSU 03-05-15 09:59:09 M TS1000 COMPLD “Host 192.168.12.10 is alive. Roundtrip time was 165 ms” ;

Retrieve Header

Use the RTRV-HDR command to display the response header, which includes the system identification <sid>, date, and time. You can also use this command to verify that the communication link to the TimeProvider is working properly.

This command has a default access level of NONE.

Sample Command

RTRV-HDR:::TS1000;

Normal Response

TP-SSU 03-05-15 09:59:25 M TS1000 COMPLD ;

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Defining the Security Parameters

The TimeProvider supports users at the following four access levels:

 None – Anyone with access to a serial or Ethernet port on the TimeProvider can

issue commands set to this access level. If no Security-level users are defined, then anyone connected to the TimeProvider can issue every command available

 User – Users entered into the user list at the User level can issue commands set

at the User access level

 Admin – Users entered into the user list at the Admin level can issue commands

set at the Admin access level

 Security – Users at this access level can issue every command available

You can edit the commands available at each access level using the ED-CMD-SECU command. You can display the current access level for each command by issuing the RTRV-CMD-SECU command. See the TimeProvider TL1 Reference Guide for details on these commands. Record the values you provision in Table 4-3.

The first person to log into the TimeProvider is automatically assigned the Security access level (described in Defining a User at the Security Access Level, on page

83); this person normally performs the initial provisioning and defines users and their appropriate access levels.

Managing the User List

Use the procedures in this section to manage the users that are authorized to access the TimeProvider.

Logging In

Use the following TL1 command to log existing users into the system.

ACT-USER:[<tid>]:<uid>:[<ctag>]::<pid>;

This command has a default access level of NONE.

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Parameter <uid> Value Description

<uid> <username> Up to 20 case-insensitive characters Assigned user

Managing the User List

name

<pid> password Up to 20 case-sensitive characters. Must include

at least two non-alphabetic and one special character (any printing character other than a letter, number, comma, colon, or semicolon. For case-sensitive passwords, enclose the <pid> in quotes, for example “sYmm!23”

Sample Command

ACT-USER::TECHNICIAN:TS1000::TECH01!;

This command logs in the user named Technician.

Autonomous Message

TP-SSU 03-10-24 10-18-24 A 1170 REPT EVT

“IMC:NA,LOGIN,NSA,03-10-24 10-18-24:\”USER LOGGED IN, TECHNICIAN\”” ;

Error Response

TP-SSU 03-10-24 10-18-24 M 04 DENY

”UNAUTHORIZED ACCESS TO THIS SYSTEM IS PROHIBITED.” ;

Assigned password

Logging Out

Use the following TL1 command to terminate a session and log out of the system. Security-level users can terminate any other user. The username is not case-sensitive, but it must be spelled exactly as assigned.

CANC-USER:[<tid>]:[<uid>]:[<ctag>];

This command has a default access level of USER.

<uid> Value Description

null Terminates the current user’s session and

logs the user off the system

<uid> Up to 20 case-

insensitive characters

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Allows a user at the ADMIN or SECURITY level to terminate another user’s session

Chapter 4 Provisioning the TimeProvider

Managing the User List

Sample Command

CANC-USER::TECHNICIAN:TS1000;

This command logs out the user named Technician.

Autonomous Message

TP-SSU 03-10-24 10:25:31 A 1171 REPT EVT

“IMC,EQPT:NA,LOGOUT,NSA,03-10-24 10-25-31:\”USER LOGGED OUT,TECHNICIAN\”” ;

Adding a User

You can store up to 20 users in the TimeProvider’s user list. Each user has a name of up to 20 case-insensitive alphanumeric characters, a password of up to 10 case-sensitive characters, and one of the four defined access levels.

Use the following TL1 command to add a user to the user list. If more than 20 users are defined in the user list, the DENY response is sent. Only a Security-level user can add to the user list.

ENT-USER-SECU:[<tid>]:<uid>:[<ctag>]::<pid>,<uap>;

This command always has a access level of SECURITY.

Parameter Value Description

<uid> <username> Up to 20 case-insensitive alphanumeric characters

<pid> <user password> Up to 20 case-sensitive characters. You must include at

least two non-alphabetic and one special character (other than a letter, number, comma, colon, or semicolon). For case-sensitive passwords, enclose the <pid> in quotes.

<uap> NONE | USER |

ADMIN | SECURITY

The access level for the user specified by the <uid>

Sample Command

ENT-USER-SECU::TECHNICIAN:TS1000::TECH01!,USER;

This command creates a user named TECHNICIAN with a password of TECH01! at the User access level.

Autonomous Message

TP-SSU 03-10-24 10:28:24 A 1172 REPT EVT

“IMC:NA,USRADD,NSA,03-10-24 10-28-24:\”USER HAS BEEN ADDED\”” ;

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Managing the User List

Changing the Current User’s Password

The ED-PID command changes the specified user’s password.

ED-PID:[<tid>]:[<uid>]:[<ctag>]::<oldpid>,<newpid>;

This command has a default access level of USER.

Keyword Value Description

<uid> <username> Up to 20 case-insensitive

alphanumeric characters

<oldpid> Must match existing value or

DENY is issued for the command

<newpid> Up to 20 case-sensitive

characters

Old password for the specified user

New password for the specified user

Sample Command

ED-PID::TECHNICIAN:TS1000::TECH01!,#Tech02;

This command changes the current user’s password from TECH01! to #Tech02.

Autonomous Message

TP-SSU 03-10-24 10:30:01 A 1173 REPT EVT

“IMC:NA,PIDCHG,NSA,03-10-24 10-30-01:\”USER PASSWORD HAS CHANGED\”” ;

Displaying a User’s Access Level

Use the following TL1 command to display the access level for a specified user or for all users.

RTRV-USER-SECU::[<uid>]:[<ctag>];

This command always has a access level of SECURITY.

Parameter Description

<uid> Assigned user name. Displays the access

level of the specified user.

null Displays the access level for all assigned

user names.

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Managing the User List

The response format is:

<cr><lf><lf> ^^^sid^date^time<cr><lf> M ^ctag^COMPLD<cr><lf> ^^^”username,access”<cr><lf> ^^^”username,access”<cr><lf>

. .

. ^^^”username,access”<cr><lf> ;

Response Value Description

<username> Up to 20 case- insensitive characters Assigned user name

<access> NONE | USER | ADMIN | SECURITY Access level

Sample Command

RTRV-USER-SECU::TS1000;

Normal Response

TP-SSU 03-10-24 10:31:31

M TS1000 COMPLD

“TECHNICIAN,USER” “DEPTHEAD,SECURITY” “DAVID,ADMIN”

;

Editing a User’s Access Level

Use the following TL1 command to change the access level for a specified user.

ED-USER-SECU:[<tid>]:<uid>:[<ctag>]::<keyword>=<value>;

This command always has a access level of SECURITY.

Parameter <keyword> <value> Description

<uid> Up to 20 case-insensitive characters Assigned user name

ACCLVL NONE | USER | ADMIN | SECURITY New access level for

the specified user

Sample Command

ED-USER-SECU::TECHNICIAN:TS1000::ACCLVL=ADMIN;

This command changes the access level for the TECHNICIAN user to ADMIN.

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Autonomous Message

TP-SSU 03-10-24 10:33:04

A 1174 REPT EVT

“IMC,EQPT:NA,ACCLVL,NSA,03-10-24 10-33-04:\”USER ACCESS LEVEL HAS CHANGED\”” ;

Deleting A User

Use the following TL1 command to delete a specified user from the user list.

DLT-USER-SECU:[<tid>]:<uid>:[<ctag>];

This command has a default access level of SECURITY.

Parameter Value Description

<uid> Up to 20 case-insensitive characters Assigned user name

Sample Command

DLT-USER-SECU::TECHNICIAN:TS1000;

This command deletes the TECHNICIAN user from the user list.

Autonomous Message

TP-SSU 03-10-24 10:35:54 A 1175 REPT EVT

“IMC:EQPT:NA,USRDEL,NSA,03-10-24 10-35-54:\”USER HAS BEEN DELETED\”” ;

Retrieving Current Users

Use the RTRV-USER command to display a list of all currently connected users. The TimeProvider supports up to 10 TCP simultaneous connections, as well as one local and one remote serial connection. If a user is logged on, the username appears in the response.

RTRV-USER:[<tid>]::[<ctag>];

This command has a default access level of USER.

Sample Command

RTRV-USER;

Normal Response

TP-SSU 03-10-24 10:37:14 M ^04^COMPLD

TECHNICIAN ;

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Provisioning the IOC

This section describes how to provision the IOC.

Setting the System Mode

The SET-SYS-MODE command allows you to provision the operating mode of the TimeProvider to one of the following:

 SSU – Synchronization Supply Unit: provides filtering compliant with G.812 and

GR-1244

 SUB – Subtending mode: provides composite clock input tracking compliant with

GR-378

 PRR – Primary Reference Receiver mode: provides ITU-T G.811 and Telcordia

GR-2830 requirements for Primary Reference Receivers/Clocks

In the SSU mode, you can select the system reference from signals on the PRS, INP1, or INP2 connectors.

In the SUB mode, the PRS input is set to Monitor only; you can select the system reference from signals on the INP1 or INP2 connectors. You can provision these inputs to Composite Clock signal types only when the TimeProvider is in SUB mode.

In the PRR mode, the antenna provides GPS signals as the primary reference. You can use qualified and enabled signals on INP1 and INP2 to enhance the stability of the output signals based on the BesTime algorithm.

Setting the System Mode

Use the SET-SYS-MODE command to provision the TimeProvider’s operating mode. See Operating Modes, on page 24, for more information on how the operating mode affects the TimeProvider’s inputs and outputs.

SET-SYS-MODE:[<tid>]::[<ctag>]::<keyword>=<value>;

This command has a default access level of ADMIN.

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Provisioning the IOC

<keyword> <value> Description Default value

SYSMODE SSU Set the TimeProvider to SSU operating mode

 PRS – Priority 1 and Enabled  INP1 – Priority 2 and Enabled  INP2 – Priority 3 and Enabled  GPS – Disabled

SUB

Set the TimeProvider to Subtending operating mode

 PRS – Monitor only and Disabled, cannot be

Enabled

 INP1 – Priority 1 and Enabled  INP2 – Priority 2 and Enabled  GPS – Monitor only and Disabled, cannot be

Enabled

PRR Set the TimeProvider to Primary Reference

Receiver mode

 PRS – Enabled as Backup Reference, can be

set to Monitor or Disabled

 INP1 – Enabled as Backup Reference, can be

set to Monitor or Disabled

 INP2 – Enabled as Backup Reference, can be

set to Monitor or Disabled

 GPS – Enabled and Priority 1

SSU

Sample Command

SET-SYS-MODE:::TS1000::SYSMODE=SUB;

Sets the system mode to Subtending (SUB). The inputs are set as described in the table above. Record the mode in Table 4-3.

Autonomous Message

TP-SSU 03-10-24 10:40:10 A 1176 REPT EVT

“SYS,EQPT:NA,SYSMODE,NSA,03-10-24 10-40-10:\"SYSTEM MODE OF OPERATION HAS CHANGED,SUB\”” ;

Retrieving the Current System Mode

Use the following TL1 command to retrieve the current system mode.

RTRV-SYS-MODE:[<tid>]::[<ctag>];

This command has a default access level of USER.

Response Description

<value> SSU | SUB | PRR

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Provisioning the IOC

Sample Command

RTRV-SYS-MODE:::TS1000;

Normal Response

TP-SSU 03-10-24 10:37:54 M TS1000 COMPLD

SSU ;

Setting the IOC Parameters

Use the ED-EQPT command to provision each IOC. This command allows you to select which IOC is Active and which is Standby; to switch the Active and Standby IOCs; to place a IOC “In Service” or “Out of Service”; and to define the oscillator type to Type I or ST3E for a quartz-based IOC or to Type II or ST2 for a Rubidium IOC.

ED-EQPT:[<tid>]:<aid>:[<ctag>]::<keyword>=<value>;

This command has a default access level of ADMIN.

<aid> <keyword> <value> Description Default value

IOCm m = 1 | 2

IOCMODE ACTIVE |

STANDBY

IOCACTV n/a Sets the Standby IOC to Active n/a

IOCSTATE INSRV Places an “Out of Service” IOC

OOSRV

CLKTYPE ST2/TYPEII |

ST3/TYPEI

IOC module

Sets the mode of the IOC. For redundant systems, changing the state of one IOC forces the other IOC to the alternate state

in the “In Service” mode (restarts)

Places an “In Service” IOC in the “Out of Service” mode. An Out of Service IOC cannot generate outputs or monitor inputs and does not generate alarms

Defines the Local Oscillator type. Selects the type of clock used to generate SSMs in Holdover mode

specified

ACTIVE

INSERV

TYPEI

Sample Command

ED-EQPT::IOC1:TS1000::IOCSTATE=INSERV;

This command places IOC 1 in the “In Service” mode. Use this command when you have taken an IOC out of service and are now ready to put it back in service.

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Autonomous Message

TP-SSU 03-10-24 10:42:40 A 1177 REPT EVT

"IOC1,EQPT:NA,IOCSTATE,NSA,03-10-24 10-42-40:\"IOC STATE HAS CHANGED,INSRV\" ;

Provisioning the Input Reference

You need to know the following information about the input reference signal before you can provision the Input Reference signals:

 Input selection mode

 Interface type

 Frame type/frequency

 Quality level

Chapter 4 Provisioning the TimeProvider

Provisioning the Input Reference

 Priority level

 SSMs and bit position

 CRC

Setting the Input State

Use the ED-EQPT command to provision the inputs to the TimeProvider. You can enable, disable, or place an input in Monitor mode (where the input is monitored, but cannot be selected as the system reference).

ED-EQPT:[<tid>]:<aid>:[<ctag>]::<keyword>=<value>;

This command has a default access level of ADMIN.

<aid> <keyword> <value> Description Default value

PRS INPp (p = 1 | 2) GPS

INSTATE ENABLE Enables the specified input ENABLE

MONITOR Places the specified input in

System inputs

GPS = DISABLE

Monitor Only mode.

DISABLE Disables the specified input

Sample Command

ED-EQPT::INP1:TS1000::INSTATE=MONITOR;

This command places Input 1 in the Monitor mode.

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Autonomous Message

TP-SSU 03-10-24 10:44:21 A 1178 REPT EVT

“INP1,T1:NA,INSTATE,NSA,03-10-24 10-44-21:\"INPUT STATE HAS CHANGED,MONITOR\”” ;

Setting the GPS Parameters

After you install the GPS antenna, you must provision the parameters using the ED-EQPT command.

ED-EQPT:[<tid>]:<aid>:[<ctag>]::<keyword>=<value>;

This command has a default access level of ADMIN.

<aid> <keyword> <value> Description Default value

GPS GPS input, except clock input

signals

MODE AUTO The antenna position (latitude,

longitude, and elevation) is automatically computed or recomputed and set

MANUAL The position (latitude, longitude,

and elevation) is set manually using the POS keyword

POS Note: The position can only be set when Mode is MANUAL

ELEVMASK 5 to 45 The elevation mask, below which

LAT dd-mm-ss.ssN or

dd-mm-ss.ssS

LONG dd-mm-ss.ssE or

dd-mm-ss.ssW

ELEV hhhh.hh height in m

the TimeProvider will not track or acquire a satellite

AUTO

n/a

Sample Command

ED-EQPT::GPS:TS1000::MODE=AUTO;

This command sets the GPS location mode to Automatic. The location of the GPS antenna is determined from multiple satellite fixes.

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Symmetricom TimeProvider 1000, TimeProvider 1100 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

How to Use This Guide

Chapter 1 Overview of the TimeProvider

Overview

New Capabilities

Shelves

Expansion Panel

Inputs

Outputs

Communication

Clocks

Operating Modes

Performance Monitoring

Phase Measurements

MTIE Calculations

Physical Description

TDEV Calculations

FFOFF Calculations

Functional Description

System Power

Communication Ports

Ethernet

Local Craft Serial Port

Remote Serial Port

Reference Input Signals

Selecting the Input

SSMs and Quality Level

GPS Inputs

Clock Performance

Output Signals

Alarms

Synchronization Status Messages (SSMs)

SmartClock

BesTime

Normal Tracking

GPS Holdover

Chapter 2 Engineering and Ordering Procedures

Shelf

Model 1000 Front Access

Model 1100 Rear Access

Expansion Panel

Front Access

Rear Access

Input Modules

Output Modules

IMC and IOC Modules

GPS Antenna

Ordering and Parts List

Accessories, Tools, and Equipment

Chapter 3 Installing the TimeProvider

Getting Started

Pre-Installation Check

Performing a Site Survey

Gathering the Tools

Unpacking the Unit

Rack Mounting the Shelf and Expansion Panel

Making Connections

Making Ground Connections

Making Power Connections

Verifying Power and Grounding Connections

Making Input Connections

Making Output Connections

Making Retimer Connections

Making Alarm Connections

Making GPS Connections

Making Communications Connections

Installing Connections to the Ethernet Port

Changing Communications Settings

Installation Check List

Powering Up the Shelf

Working With Cards

Properly Handling Cards

Inserting Cards

Removing Cards

Firmware Features

Chapter 4 Provisioning the TimeProvider

TL1 Overview