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PTP 500 Series
User Guide
MOTOROLA POINT-TO-POINT WIRELESS SOLUTIONS
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MOTOROLA, Inc.
Point-to-Point Wireless Bridges – PTP 500 Series
Software Release PTP 500-03-xx
System User Guide
May 28th, 2009
Ref: PHN-1115-003v009
Copyright Information
This document is the confidential property of Motorola, Inc. and without its prior written consent may
not be copied or released to third parties.
MOTOROLA, the stylized M Logo and all other trademarks indicated as such herein are trademarks
of Motorola, Inc.
product or service names are the property of their respective owners.
© 2006-2009 Motorola, Inc. All rights reserved.
®
Reg. U.S. Pat & Tm. Office. PTP 500 is a trademark of Motorola, Inc. All other
http://www.motorola.com/ptp
Disclaimer
The parameters quoted in this document must be specifically confirmed in writing
before they become applicable to any particular order or contract. The company
reserves the right to make alterations or amendments to the detail specification at its
discretion. The publication of information in this document does not imply freedom
from patent or other rights of Motorola, Inc. or others.
Page 3
Contents
Contents
1 About This User Guide....................................................................................................................1
1.1 Who Should Use This Guide....................................................................................................1
1.2 Contact Information .................................................................................................................. 2
1.3 Interpreting Typeface and Other Conventions ......................................................................... 2
1.3.1 Fonts .............................................................................................................................. 2
1.3.2 Terminology ...................................................................................................................3
1.3.3 Warnings, Cautions and Notes ...................................................................................... 3
1.4 Getting Additional Help............................................................................................................. 4
1.5 Repair and Service................................................................................................................... 4
1.6 Warranty...................................................................................................................................5
1.7 Electrical Safety........................................................................................................................ 5
1.8 RF Safety ................................................................................................................................. 7
1.8.1 RF Exposure Near the Antenna..................................................................................... 7
1.8.2 Limits and Guidelines for RF Exposure .........................................................................7
1.8.3 Power Density Exposure Limit....................................................................................... 8
1.8.4 Calculated Distances and Power Compliance Margins................................................. 9
1.9 Compliance with Regulations................................................................................................. 10
1.9.1 General ........................................................................................................................10
1.9.2 FCC and ETSI Compliance Testing............................................................................. 10
1.9.3 Radio and Television Interference ............................................................................... 11
1.9.4 Deployment and Operation .......................................................................................... 11
1.9.5 Examples of Regulatory Limits ....................................................................................11
1.9.6 Registration of Links .................................................................................................... 11
2 Product Description......................................................................................................................12
2.1 Product Function .................................................................................................................... 12
2.2 Typical Deployment................................................................................................................ 13
2.3 Frequency Variants ................................................................................................................ 14
2.4 Other Product Variants........................................................................................................... 14
2.5 Network Connection ............................................................................................................... 14
2.6 Outdoor Unit (ODU) ............................................................................................................... 15
2.7 PIDU Plus PTP 300/500/600 Series ......................................................................................16
2.7.1 Power and Ethernet LEDs ...........................................................................................16
2.7.2 ODU, LAN and Recovery............................................................................................. 17
2.7.3 DC In and Out .............................................................................................................. 17
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Contents
2.7.4
Remote Connectors and Jumpers ............................................................................... 17
2.7.5 Mains Connection ........................................................................................................18
2.8 Redundancy and Alternative Powering Configurations.......................................................... 18
2.9 Remote LEDs and Recovery Switch...................................................................................... 20
2.10 Cables and Connectors.......................................................................................................... 20
2.11 PTP and Lightning Protection ................................................................................................21
2.12 Mounting Brackets.................................................................................................................. 22
3 Product Features...........................................................................................................................23
3.1 Ethernet Frames..................................................................................................................... 23
3.2 Management Function............................................................................................................ 24
3.3 Configuration and Management............................................................................................. 24
3.4 Channel Bandwidth and Link Symmetry Control ...................................................................25
3.5 Non Line Of Sight (NLOS) and Line Of Sight (LOS) ............................................................. 25
3.6 Upgradeable Software............................................................................................................ 25
3.7 Networking Information ..........................................................................................................25
3.8 Link Mode Optimization.......................................................................................................... 26
3.8.1 IP Link Mode Optimization ........................................................................................... 26
3.8.2 TDM Link Mode Optimization....................................................................................... 26
3.9 Telecoms Circuits................................................................................................................... 27
3.9.1 Lowest Telecoms Modulation Mode ............................................................................27
3.9.2 Fixed Frequency Operation .........................................................................................27
3.9.3 Further Reading ........................................................................................................... 28
3.10 Radar Avoidance.................................................................................................................... 28
4 Planning Considerations..............................................................................................................29
4.1 Spectrum Planning ................................................................................................................. 29
4.1.1 Regions Without Mandatory Radar Detection ............................................................. 29
4.1.2 Regions With Mandatory Radar Detection .................................................................. 30
4.2 Licenses and Region Codes ..................................................................................................30
4.3 Radar Avoidance and Bandwidth Operation.......................................................................... 31
4.4 Variable Channel Bandwidth Operation................................................................................. 32
4.5 Link Planning.......................................................................................................................... 32
4.5.1 Link Range ................................................................................................................... 32
4.5.2 Obstructions ................................................................................................................. 32
4.5.3 PTP LINKPlanner......................................................................................................... 33
4.6 Site Selection Criteria............................................................................................................. 34
4.6.1 ODU Site Selection ...................................................................................................... 34
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4.6.2
PIDU Plus Site Selection .............................................................................................34
4.7 Wind Loading .........................................................................................................................34
4.7.1 Calculation of Lateral Force ......................................................................................... 34
4.7.2 Capabilities of the PTP 500 Series Bridges................................................................. 35
4.7.3 Wind Speed Statistics .................................................................................................. 36
4.8 Path Loss Considerations ......................................................................................................37
4.8.1 Calculating Path Loss .................................................................................................. 37
4.8.2 Adaptive Modulation .................................................................................................... 37
4.9 System Threshold, Output Power and Link Loss................................................................... 38
5 Lightning Protection .....................................................................................................................39
5.1 Lightning Protection Zones .................................................................................................... 39
5.2 LPU Detailed Installation........................................................................................................ 42
5.3 LPU Kit ................................................................................................................................... 43
5.4 LPU Installation Wiring........................................................................................................... 43
5.5 LPU Installation Diagram ....................................................................................................... 45
5.5.1 Typical Mast or Wall Installation ..................................................................................46
6 Installation......................................................................................................................................47
6.1 Installation Support................................................................................................................. 48
6.2 Legal Disclaimer..................................................................................................................... 48
6.3 Preparation............................................................................................................................. 48
6.3.1 Checks ......................................................................................................................... 48
6.3.2 Tools Required............................................................................................................. 48
6.4 Mounting the ODUs................................................................................................................ 49
6.4.1 Mounting Bracket ......................................................................................................... 49
6.4.2 ODU Mounting Procedure............................................................................................ 50
6.4.3 Hoist and Safety Loop.................................................................................................. 52
6.5 Connecting Up........................................................................................................................ 53
6.5.1 Preparing the PIDU Plus To ODU Cable ..................................................................... 53
6.5.2 Making the Connections at the ODU ........................................................................... 56
6.5.3 Making the PIDU Plus Connection At The ODU.......................................................... 57
6.5.4 Routing the Cable ........................................................................................................58
6.5.5 Fitting a Lightning Protection Unit................................................................................ 58
6.5.6 Grounding the Installation............................................................................................ 59
6.5.7 Making the ODU Connection at the PIDU Plus ...........................................................59
6.5.8 Making the Network Connection at the PIDU Plus ...................................................... 61
6.5.9 Mounting the PIDU Plus............................................................................................... 61
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6.5.10
Powering Up................................................................................................................. 65
6.6 Establishing a Radio Link....................................................................................................... 66
6.6.1 Aligning the PTP 500 Series Bridge ODUs.................................................................. 66
6.6.2 Behaviour During Installation ....................................................................................... 67
6.6.3 DVM Alignment ............................................................................................................ 68
6.6.4 Adjust Power Settings.................................................................................................. 69
6.6.5 Disarm on Completion ................................................................................................. 70
7 Web Page Reference.....................................................................................................................71
7.1 Menu Navigation Bar.............................................................................................................. 71
7.2 Home (System Summary)...................................................................................................... 73
7.2.1 Home Page Alarm Display........................................................................................... 74
7.2.2 System Alarms ............................................................................................................. 75
7.3 System Status ........................................................................................................................ 78
7.3.1 Histogram Data ............................................................................................................ 82
7.4 System Administration............................................................................................................ 83
7.5 Configuration .......................................................................................................................... 84
7.5.1 System Configuration................................................................................................... 84
7.5.2 LAN Configuration........................................................................................................ 86
7.5.3 QoS Configuration Page .............................................................................................. 91
7.5.4 Save and Restore ........................................................................................................93
7.5.5 Telecoms Configuration ............................................................................................... 97
7.6 Statistics ................................................................................................................................. 99
7.6.1 Detailed Counters ......................................................................................................102
7.7 Installation Wizard ................................................................................................................ 104
7.7.1 Factory Configuration................................................................................................. 104
7.7.2 Manual Configuration................................................................................................. 106
7.7.3 Installation Wizard Step 1 - Interface Configuration ..................................................107
7.7.4 Installation Wizard Step 2 - Wireless Configuration................................................... 111
7.7.5 Installation Wizard Step 3 - Confirm Configuration.................................................... 115
7.7.6 Disarm Installation...................................................................................................... 117
7.7.7 Graphical Install .........................................................................................................119
7.8 Software Upgrade ................................................................................................................120
7.8.1 Locate and Upload Software Image........................................................................... 121
7.8.2 Program Software Image into Memory ...................................................................... 122
7.8.3 Software Upgrade Complete...................................................................................... 122
7.8.4 Reboot After Software Upgrade................................................................................. 123
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7.9
Spectrum Management........................................................................................................ 124
7.9.1 Wireless Channels ..................................................................................................... 124
7.9.2 Spectrum Management Measurements..................................................................... 124
7.9.3 Measurement Analysis............................................................................................... 125
7.9.4 The Spectrum Management Master / Slave Relationship ......................................... 126
7.9.5 Spectrum Management Configuration ....................................................................... 129
7.9.6 Barring Channels .......................................................................................................130
7.9.7 Master and Slave Channel Spectrum Graphics......................................................... 130
7.9.8 Active Channel History............................................................................................... 132
7.9.9 Viewing Historic Spectrum Management Metrics ...................................................... 133
7.9.10 Spectrum Management (Fixed Frequency) ...............................................................134
7.9.11 Spectrum Management Control with Radar Avoidance............................................. 136
7.10 Remote Management........................................................................................................... 138
7.10.1 Control Access to HTTP Interface .............................................................................139
7.10.2 Control Access to Telnet Interface............................................................................. 139
7.10.3 SNMP (Simple Network Management Protocol)........................................................ 139
7.10.4 Supported Management Information Bases (MIBS) .................................................. 139
7.10.5 Diagnostics Alarms ....................................................................................................141
7.10.6 SNMP Configuration ..................................................................................................141
7.10.7 SMTP (Simple Mail Transport Protocol) .................................................................... 142
7.10.8 SNTP (Simple Network Time Protocol) ..................................................................... 143
7.10.9 Setting the clock......................................................................................................... 143
7.11 Diagnostics Plotter ...............................................................................................................144
7.11.1 Diagnostic Plotter Page ............................................................................................. 145
7.11.2 CSV Download........................................................................................................... 146
7.12 Change Password ................................................................................................................ 147
7.13 License Key.......................................................................................................................... 147
7.14 Properties ............................................................................................................................. 149
7.15 Reboot.................................................................................................................................. 150
8 Recovery Mode............................................................................................................................151
8.1 Entering Recovery Mode...................................................................................................... 151
8.2 Upgrade Software Image .....................................................................................................153
8.3 Reset IP & Ethernet Configuration ....................................................................................... 155
8.4 Erase Configuration.............................................................................................................. 156
8.5 Erase Security Parameters .................................................................................................. 158
8.6 Reboot.................................................................................................................................. 160
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Contents
9
Troubleshooting (Fault Finding)................................................................................................161
9.1 Test Link End Hardware....................................................................................................... 161
9.1.1 Power LED is Off........................................................................................................ 163
9.1.2 Power LED is Flashing............................................................................................... 164
9.1.3 Ethernet LED did not Flash 10 Times........................................................................ 164
9.1.4 No Ethernet Activity ................................................................................................... 165
9.1.5 Irregular Ethernet Activity........................................................................................... 165
9.1.6 Connection is not 100BaseT...................................................................................... 166
9.1.7 Test RJ45 Resistance................................................................................................ 166
9.2 Test Radio Link ....................................................................................................................168
9.2.1 No Activity .................................................................................................................. 168
9.2.2 Some Activity .............................................................................................................169
9.3 Lightning Strike..................................................................................................................... 169
10 Connectorized PTP 500 Series Bridge......................................................................................170
10.1 Product Description.............................................................................................................. 170
10.1.1 Hardware.................................................................................................................... 170
10.1.2 Antenna...................................................................................................................... 171
10.2 Software/Features ................................................................................................................ 171
10.2.1 Status Page................................................................................................................ 171
10.2.2 Configuration Pages .................................................................................................. 172
10.2.3 Installation Pages....................................................................................................... 173
10.3 Deployment Considerations ................................................................................................. 176
10.4 Link Budget ..........................................................................................................................176
10.5 Regulatory Issues with Connectorized Units ....................................................................... 176
10.5.1 Cable Losses (FCC Regions Only)............................................................................ 177
10.6 Antenna Choices .................................................................................................................. 177
10.7 Installation ............................................................................................................................ 178
10.7.1 Cables and Connectors ............................................................................................. 178
10.7.2 Tools .......................................................................................................................... 178
10.7.3 Miscellaneous supplies .............................................................................................. 179
10.7.4 Mounting the Connectorized PTP 500 Series Bridge ................................................ 179
10.7.5 Mounting the antennas .............................................................................................. 179
10.7.6 Alignment Process ..................................................................................................... 180
10.7.7 Aligning Dual Polar Antennas ....................................................................................180
10.7.8 Aligning Separate Antennas ...................................................................................... 180
10.7.9 Completing the Installation......................................................................................... 181
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10.7.10
Antenna Cable Fixing................................................................................................. 181
10.7.11 Antenna Connection Weatherproofing....................................................................... 182
10.8 Additional Lightning Protection............................................................................................. 183
10.8.1 ODU Mounted Outdoors ............................................................................................183
10.8.2 ODU Mounted Indoors ............................................................................................... 184
11 E1/T1 Installation Guide..............................................................................................................185
11.1 E1/T1 Cable Assembly......................................................................................................... 185
11.1.1 T568B Color Coding .................................................................................................. 185
11.2 Connecting the E1/T1 Cable to the PIDU Plus .................................................................... 186
11.2.1 E1/T1 Splitter Output Pin Connections ...................................................................... 187
11.3 Testing the E1/T1 Installation............................................................................................... 188
12 Data Rate Calculations................................................................................................................189
12.1 Data Rate Defined................................................................................................................ 189
12.2 Calculation Procedure and Example.................................................................................... 189
12.2.1 Procedure................................................................................................................... 189
12.2.2 Example .....................................................................................................................190
12.3 Data Throughput Capacity ...................................................................................................191
12.4 Range Adjustment Curves ................................................................................................... 194
13 AES Encryption ...........................................................................................................................197
13.1 Encryption Standard Used ...................................................................................................197
13.2 Upgrading for Link Encryption.............................................................................................. 197
13.3 Configuring Link Encryption .................................................................................................197
13.3.1 License Keys.............................................................................................................. 198
13.3.2 Encryption Mode and Key.......................................................................................... 199
13.4 Wireless Link Encryption FAQ ............................................................................................. 201
13.4.1 Encryption data entry fields are not available ............................................................ 201
13.4.2 Link fails to bridge packets after enabling link encryption ......................................... 201
13.4.3 Loss of AES following downgrade .............................................................................201
14 Remote Software Upgrade by TFTP ..........................................................................................202
15 Legal Notices ...............................................................................................................................204
15.1 Motorola Inc. End User License Agreement ........................................................................204
15.1.1 Definitions .................................................................................................................. 204
15.1.2 Grant of License......................................................................................................... 205
15.1.3 Conditions of Use....................................................................................................... 205
15.1.4 Title; Restrictions........................................................................................................ 207
15.1.5 Confidentiality............................................................................................................. 207
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15.1.6
Right to Use Motorola’s Name ................................................................................... 208
15.1.7 Transfer...................................................................................................................... 208
15.1.8 Updates...................................................................................................................... 208
15.1.9 Maintenance............................................................................................................... 209
15.1.10 Disclaimer .................................................................................................................. 209
15.1.11 Limitation of Liability................................................................................................... 209
15.1.12 U.S. Government .......................................................................................................210
15.1.13 Term of License .........................................................................................................210
15.1.14 Governing Law ........................................................................................................... 210
15.1.15 Assignment ................................................................................................................ 210
15.1.16 Survival of Provisions................................................................................................. 211
15.1.17 Entire Agreement ....................................................................................................... 211
15.1.18 Third Party Software ..................................................................................................211
15.2 Hardware Warranty in U.S. .................................................................................................. 213
15.3 Limit of Liability..................................................................................................................... 213
16 PTP 500 Reference Information .................................................................................................214
16.1 PTP 500 General Reference Information............................................................................. 214
16.1.1 PTP 500 System Specifications................................................................................. 214
16.1.2 PTP 500 Safety Compliance...................................................................................... 216
16.1.3 PTP 500 EMC Immunity Compliance ........................................................................217
16.1.4 PTP 500 Environmental Specifications...................................................................... 218
16.2 PTP 54500 Reference Information....................................................................................... 219
16.2.1 PTP 54500 Examples of Regulatory Limits ...............................................................219
16.2.2 PTP 54500 Licenses and Region Codes................................................................... 220
16.2.3 PTP 54500 Regulatory Compliance........................................................................... 221
16.2.4 PTP 54500 Radio System Specifications ..................................................................223
16.2.5 PTP 54500 Emissions and Radio Certifications ........................................................ 224
16.2.6 PTP 54500 Available Spectrum Settings................................................................... 225
16.2.7 PTP 54500 System Threshold, Output Power and Link Loss ................................... 227
16.2.8 PTP 54500 FCC Antenna Restrictions ......................................................................233
16.3 PTP 58500 Reference Information....................................................................................... 236
16.3.1 PTP 58500 Examples of Regulatory Limits ...............................................................236
16.3.2 PTP 58500 Licenses and Region Codes................................................................... 238
16.3.3 PTP 58500 Regulatory Compliance........................................................................... 240
16.3.4 PTP 58500 Radio System Specifications ..................................................................244
16.3.5 PTP 58500 Emissions and Radio Certifications ........................................................ 245
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16.3.6
PTP 58500 Available Spectrum Settings................................................................... 246
16.3.7 PTP 58500 System Threshold, Output Power and Link Loss ................................... 249
16.3.8 PTP 58500 FCC Antenna Restrictions ......................................................................255
17 FAQs.............................................................................................................................................258
18 Glossary .......................................................................................................................................260
Index ....................................................................................................................................................... I
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List of Figures
List of Figures
Figure 1 - Typical PTP 500 Series Bridge Deployment........................................................................ 13
Figure 2 – PTP 500 Series Bridge Outdoor Unit (ODU)....................................................................... 15
Figure 3 - Power Indoor Unit (PIDU Plus PTP 300/500/600 Series).................................................... 16
Figure 4 – PIDU Plus Recovery Switch Location ................................................................................. 17
Figure 5 – PIDU Plus Power Input........................................................................................................ 18
Figure 6 - External DC Supply Only .....................................................................................................19
Figure 7 - External DC Supply and AC Supply..................................................................................... 19
Figure 8 - External DC Supply and Redundant AC Supply .................................................................. 19
Figure 9 - Remote LED and Recovery Switch Wiring ..........................................................................20
Figure 10 – PTP 500 Series Bridge Layer Diagram ............................................................................. 24
Figure 11 - 5.8 GHz UK RTTT Channel Avoidance – 15 MHz Channel Bandwidth (Example)........... 31
Figure 12 - ODU mounted in Zones A & B ........................................................................................... 40
Figure 13 – Using a Finial to Extend Zone B........................................................................................ 41
Figure 14 – PTP LPU Installation Example for PTP 500 Series (Not to Scale) ................................... 42
Figure 15 - PTP LPU Full Kit ................................................................................................................ 43
Figure 16 - Simplified Circuit Diagram.................................................................................................. 44
Figure 17 - Typical Mast or Wall Installations....................................................................................... 46
Figure 18 – ODU with Mounting Bracket and Earth Bonding Lead...................................................... 49
Figure 19 – ODU Bracket Strap............................................................................................................ 50
Figure 20 – ODU Mounting Bracket ..................................................................................................... 50
Figure 21 - ODU Mounted on Pole....................................................................................................... 51
Figure 22 - Integral Safety Loop ........................................................................................................... 52
Figure 23 - Correct Cable Preparation for the Recommended Cable .................................................. 54
Figure 24 - Completed ODU Connector ............................................................................................... 55
Figure 25 - Correct and Incorrect Tightening of Cable Gland ..............................................................55
Figure 26 – ODU PIDU Plus Connexion............................................................................................... 56
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List of Figures
Figure 27 - Connecting the PIDU Plus to the ODU
.............................................................................. 57
Figure 28 - Disconnecting the ODU...................................................................................................... 58
Figure 29 - Connecting the ODU to the PIDU Plus .............................................................................. 60
Figure 30 - Making the Network Connection at the PIDU Plus ............................................................ 61
Figure 31 - Mounting the PIDU Plus..................................................................................................... 62
Figure 32 - Correct and Incorrect RJ45 Cable Dressing ...................................................................... 63
Figure 33 – PIDU Plus Drip Loop Configuration................................................................................... 64
Figure 34 - Using DVM For Alignment.................................................................................................. 68
Figure 35 - Menu Navigation Bar.......................................................................................................... 72
Figure 36 - System Summary Page ..................................................................................................... 73
Figure 37 - Alarm Warning Triangle .....................................................................................................74
Figure 38 - Status Page........................................................................................................................ 78
Figure 39 - System Administration Login Page .................................................................................... 83
Figure 40 - System Configuration Page ............................................................................................... 84
Figure 41 - LAN Configuration Page .................................................................................................... 86
Figure 42 - Configuration Reboot Page................................................................................................ 88
Figure 43 - Configuration Reboot Page - Ethernet Auto Negotiation Disabled.................................... 88
Figure 44 - VLAN Configuration Fields................................................................................................. 89
Figure 45 - LAN Configuration Page - Manual Ethernet Configuration................................................ 90
Figure 46 - QoS Configuration Page .................................................................................................... 91
Figure 47 - Save and Restore Configuration Page ..............................................................................93
Figure 48 - Save Configuration File Screen ......................................................................................... 94
Figure 49 – PTP 500 Example Configuration File ................................................................................ 94
Figure 50 - Restore Configuration File Pop Up Screen........................................................................ 95
Figure 51 - Reset Configuration and Reboot Confirmation Pop-up .....................................................96
Figure 52 - Telecoms Data Entry.......................................................................................................... 97
Figure 53 - System Statistics Page ......................................................................................................99
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List of Figures
Figure 54 - Detailed Count
ers Page ................................................................................................... 102
Figure 55 - License Key Data Entry.................................................................................................... 106
Figure 56 - Installation Wizard Internet Protocol Configuration.......................................................... 107
Figure 57 - VLAN Warning .................................................................................................................108
Figure 58 - Telecoms Configuration Interface .................................................................................... 109
Figure 59 –Wireless Configuration ..................................................................................................... 111
Figure 60 – Fixed Frequency Configuration Example ........................................................................ 114
Figure 61 – Installation Wizard Confirm Configuration....................................................................... 115
Figure 62 - Reboot Confirmation Pop Up ........................................................................................... 116
Figure 63 – Disarm Installation........................................................................................................... 117
Figure 64 - Optional Post Disarm Configuration................................................................................. 118
Figure 65 – Graphical Installation Screen .......................................................................................... 119
Figure 66 - Software Upgrade ............................................................................................................ 120
Figure 67 - Software Upgrade Image Check...................................................................................... 121
Figure 68 - Software Download Progress Indicator............................................................................ 122
Figure 69 - Software Upgrade Complete Page ................................................................................. 123
Figure 70 - Reboot Confirmation Pop Up ........................................................................................... 123
Figure 71 - Spectrum Management as seen from the Master............................................................ 127
Figure 72 - Spectrum Management as seen from the Slave.............................................................. 128
Figure 73 - Active Channel History Screen ........................................................................................ 132
Figure 74 - Spectrum Management Time Series Plot ........................................................................ 133
Figure 75 - Spectrum Management Fixed Frequency Screen ........................................................... 134
Figure 76 - Spectrum Management Help Page (Fixed Frequency) ...................................................135
Figure 77 - Spectrum Management Master Screen With Operational Restrictions ........................... 136
Figure 78 - Spectrum Management Slave Screen With Operational Restrictions ............................. 137
Figure 79 - Remote Management....................................................................................................... 138
Figure 80 – Warning when disabling HTTP interface......................................................................... 140
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List of Figures
Figure 81 - Remote Management - Diagnos
tic Alarms ...................................................................... 141
Figure 82 - Diagnostic Plotter ............................................................................................................. 145
Figure 83 - CSV Download................................................................................................................. 146
Figure 84 - Password Change............................................................................................................ 147
Figure 85 - Software License Key Data Entry .................................................................................... 147
Figure 86 - License Key reboot Screen.............................................................................................. 148
Figure 87 - Reboot Confirmation Pop Up ........................................................................................... 148
Figure 88 – Properties ........................................................................................................................ 149
Figure 89 - System Reboot................................................................................................................. 150
Figure 90 - Reboot Confirmation Pop Up ........................................................................................... 150
Figure 91 - Recovery Mode Warning Page ........................................................................................ 151
Figure 92 - Recovery Options Page ................................................................................................... 152
Figure 93 - Software Download Progress Indicator Page .................................................................. 153
Figure 94 - Software Download Complete Page ................................................................................ 153
Figure 95 - Reboot Confirmation Pop Up ........................................................................................... 154
Figure 96 - Confirm Reset to Factory Default Pop Up........................................................................ 155
Figure 97 - IP and Ethernet Erased Successfully page...................................................................... 155
Figure 98 - Reboot Confirmation Pop Up ........................................................................................... 156
Figure 99 - Confirm Erase Configuration Pop Up............................................................................... 156
Figure 100 - Erase Configuration Successful Page ...........................................................................157
Figure 101 – Erase Configuration - Reboot Confirmation Pop Up ..................................................... 157
Figure 102 - Confirm Zeroise Security Parameters Pop Up............................................................... 158
Figure 103 - Zeroise Security Parameters Successful Page..............................................................159
Figure 104 – Recovery - Reboot Confirmation Pop Up...................................................................... 160
Figure 105 – Link End Hardware Test Flowchart ............................................................................... 162
Figure 106 - PTP LPU Test Points ..................................................................................................... 165
Figure 107 – Connectorized PTP 500 Series Bridge Outdoor Unit.................................................... 170
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List of Figures
Figure 108 - Connectorized PTP 500 Series Bridge Status Page
..................................................... 171
Figure 109 - Connectorized PTP 500 Series bridge ‘System Configuration’ Page............................ 172
Figure 110 - Connectorized PTP 500 Series Bridge ‘Installation Wizard’ Page ................................173
Figure 111 - Connectorized PTP 500 Series bridge ‘Confirm Installation’ Page ...............................174
Figure 112 - Connectorized PTP 500 Series bridge ‘Disarm Installation’ Page................................. 175
Figure 113 - Forming a Drip Loop ...................................................................................................... 182
Figure 114 - Weatherproofing the Antenna Connections................................................................... 182
Figure 115- Additional Grounding When Using Connectorized Units ................................................ 183
Figure 116 - Lightning Arrestor Mounting........................................................................................... 184
Figure 117 - Polyphaser Assembly.....................................................................................................184
Figure 118 - RJ45 Pin Connection (T568B Color Coding) ................................................................. 185
Figure 119 - PIDU Plus and E1/T1 Connexion................................................................................... 186
Figure 120 – PTP 500 Range Adjustment for Data Rates, Curve A .................................................. 195
Figure 121 – PTP 500 Range Adjustment for Data Rates, Curve B .................................................. 196
Figure 122 – AES Software License Key Data Entry ......................................................................... 198
Figure 123 – AES Configuration Data Entry Page ............................................................................. 200
Figure 124 - Configuration Reboot Screen......................................................................................... 201
Figure 125 - PTP 54500 Available Spectrum Settings - 15 MHz Channel Bandwidth....................... 225
Figure 126 - PTP 54500 Available Spectrum Settings - 10 MHz Channel Bandwidth....................... 226
Figure 127 - PTP 54500 Available Spectrum Settings - 5 MHz Channel Bandwidth......................... 226
Figure 128 – PTP 58500 Available Spectrum Settings – 15 MHz Channel Bandwidth ..................... 246
Figure 129 – PTP 58500 Available Spectrum Settings – 10 MHz Channel Bandwidth ..................... 247
Figure 130 – PTP 58500 Available Spectrum Settings – 5 MHz Channel Bandwidth ....................... 247
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List of Tables
List of Tables
Table 1 - Contact Information ................................................................................................................. 2
Table 2 - Font types.............................................................................................................................. 2
Table 3 - Power Compliance Margins ....................................................................................................9
Table 4 - PTP 500 Series Bridge Frequency Variants .........................................................................14
Table 5 - Lateral Force – Imperial ........................................................................................................35
Table 6 - Lateral Force – Metric ...........................................................................................................35
Table 7 - Audio indications from the ODU............................................................................................ 66
Table 8 – Telecoms Channel Status Alarm Conditions........................................................................ 75
Table 9 – QoS Default Settings ............................................................................................................ 91
Table 10 – Classification rules upgrade example................................................................................. 92
Table 11 – IEEE802.1Q Classification rules ........................................................................................ 92
Table 12 – PTP 500 Series Bridge Factory Configuration Values .....................................................105
Table 13 - Spectrum Management change state key......................................................................... 131
Table 14 - Spectrum Management Time Series Key .........................................................................133
Table 15 - Spectrum Management Change State Key With Operational Restrictions....................... 137
Table 16 - Resistance Table Referenced To The RJ45 at the PIDU Plus ......................................... 167
Table 17 - Cable Losses per Length ..................................................................................................177
Table 18 – E1/T1 Splitter Output Pin Connections............................................................................. 187
Table 19 – Data Throughput for PTP 500, Link Symmetry = Adaptive or 3:1.................................... 192
Table 20 – Data Throughput for PTP 500, Link Symmetry = 1:1, Link Optimization = IP.................. 193
Table 21 – Data Throughput for PTP 500, Link Symmetry = 1:1, Link Optimization = TDM .............194
Table 22 – PTP 500 Management Specifications .............................................................................. 214
Table 23 – PTP 500 Ethernet Bridging Specifications .......................................................................215
Table 24 – PTP 500 Physical Specifications...................................................................................... 215
Table 25 – PTP 500 Power Supply Specifications ............................................................................. 216
Table 26 – PTP 500 Safety Compliance Specifications ..................................................................... 216
xv
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List of Tables
Table 27 – PTP 500 EMC Immunity Compliance Specifications
....................................................... 217
Table 28 – PTP 500 Environmental Specifications ............................................................................ 218
Table 29 – PTP 54500 Examples of Regulatory Limits...................................................................... 219
Table 30 – PTP 54500 Licenses and Region Codes .........................................................................220
Table 31 - PTP 54500 RF Specifications ........................................................................................... 223
Table 32 - PTP 54500 EMC Emissions Compliance.......................................................................... 224
Table 33 - PTP 54500 Radio Certifications ........................................................................................ 224
Table 34 - PTP 54500 System Threshold Figures - IP Mode (15 MHz bandwidth) ........................... 227
Table 35 - PTP 54500 System Threshold Figures - TDM Mode (15 MHz bandwidth)....................... 228
Table 36 - PTP 54500 System Threshold Figures - IP Mode (10 MHz bandwidth) ........................... 229
Table 37 - PTP 54500 System Threshold Figures - TDM Mode (10 MHz bandwidth)....................... 230
Table 38 - PTP 54500 System Threshold Figures - IP Mode (5 MHz bandwidth) ............................. 231
Table 39 - PTP 54500 System Threshold Figures - TDM Mode (5 MHz bandwidth)......................... 232
Table 40 - Allowed Antennas for Deployment in USA/Canada – 5.4 GHz......................................... 233
Table 41 – PTP 58500 Examples of Regulatory Limits...................................................................... 236
Table 42 – PTP 58500 Licenses and Region Codes .........................................................................238
Table 43 - PTP 58500 RF Specifications ........................................................................................... 244
Table 44 - PTP 58500 EMC Emissions Compliance.......................................................................... 245
Table 45 - PTP 58500 Radio Certifications ........................................................................................ 245
Table 46 – PTP 58500 FCC Max Transmit Power at the Edge Channels (FCC) .............................. 248
Table 47 - PTP 58500 System Threshold Figures - IP Mode (15 MHz bandwidth) ........................... 249
Table 48 - PTP 58500 System Threshold Figures - TDM Mode (15 MHz bandwidth)....................... 250
Table 49 - PTP 58500 System Threshold Figures - IP Mode (10 MHz bandwidth) ........................... 251
Table 50 - PTP 58500 System Threshold Figures - TDM Mode (10 MHz bandwidth)....................... 252
Table 51 - PTP 58500 System Threshold Figures - IP Mode (5 MHz bandwidth) ............................. 253
Table 52 - PTP 58500 System Threshold Figures - TDM Mode (5 MHz bandwidth)......................... 254
Table 53 - Allowed Antennas for Deployment in USA/Canada – 5.8 GHz......................................... 255
xvi
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List of Tables
xvii
Page 20
List of Equations
List of Equations
Equation 1 - Peak power density in the far field ..................................................................................... 8
Equation 2 - Path Loss ......................................................................................................................... 37
Equation 3 - Link Loss .......................................................................................................................... 81
xviii
Page 21
1 About This User Guide
1 About This User Guide
Congratulations on the purchase of the PTP 500 Series Bridge from Motorola. The PTP 500
Series Bridge is the latest innovation in high-speed wireless networking that lets you deploy
wireless networks in areas previously unattainable.
This guide describes the installation, commissioning, operation and fault finding of the
Motorola PTP 500 Series of Point-to-Point Wireless Ethernet Bridges. It contains the following
main sections:
• 2 Product Description
• 3 Product Features
• 4
Planning Considerations
• 6 Installation
• 7 Web Page Reference
• 8 Recovery Mode
• 5 Lightning Protection
• 9 Troubleshooting (Fault Finding)
• 10 Connectorized PTP 500 Series Bridge
• 11 E1/T1 Installation Guide
• 12 Data Rate Calculations
• 13 AES Encryption
• 14 Remote Software Upgrade by TFTP
• 15 Legal Notices
• 16 PTP 500 Reference Information
1.1 Who Should Use This Guide
The guide is for use by the system installer and the end user IT professional. The system
installer will require expertise in the following areas:
• Outdoor radio equipment installation
• Network configuration
• Use of web browser for system configuration, monitoring and fault finding
1
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1 About This User Guide
1.2 Contact Information
Table 1 - Contact Information
Postal Address:
Motorola, Inc.
Unit A1, Linhay Business Park,
Eastern Road,
Ashburton,
Devon. TQ13 7UP
United Kingdom
Web Site:
Sales Enquiries:
Web Support:
Email Support:
All Other Enquiries:
Telephone Enquiries and Global
Support:
We welcome your feedback on the PTP 500 Series Bridge system documentation. This
includes feedback on the structure, content, accuracy, or completeness of our documents,
and any other comments you have. Send feedback to support.ptp@motorola.com
http://www.motorola.com/ptp
sales.ptp@motorola.com
http://www.motorola.com/ptp/support
support.ptp@motorola.com
info.ptp@motorola.com
+1 (0) 877 515 0400 (Toll Free in the USA) and
+44 (0) 808 234 4640 (Toll Free in the UK).
1.3 Interpreting Typeface and Other Conventions
1.3.1 Fonts
.
Motorola PTP system documents employ distinctive fonts to indicate the type of information,
as described in Table 2.
Table 2 - Fo
Font Type of Information
variable width bold
constant width regular
constant width italic
constant width bold
constant width bold
italic
nt types
Selectable option in a graphical user interface or
settable parameter in a web-based interface.
Literal system response in a command-line interface.
Variable system response in a command-line interface.
Literal user input in a command-line interface.
Variable user input in a command-line interface.
2
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1 About This User Guide
1.3.2 Terminology
Motorola PTP system documents employ specific imperative terminology as follows:
• ‘Type’ means type the following characters.
• ‘Enter’ means type the following characters and then press Enter.
• ‘Highlight’ means click anywhere in a row of data to highlight the entire row.
• ‘Select’ means use the mouse to click on or branch to the menu item that follows.
1.3.3 Warnings, Cautions and Notes
The following describes how warnings, cautions and notes are used in Motorola PTP system
documents.
1.3.3.1 Warnings
Warnings precede instructions that contain potentially hazardous situations. Warnings are
used to alert the reader to possible hazards that could cause loss of life or physical injury. A
warning has the following format:
WARNING
Warning text and consequence for not following the instructions in the warning.
1.3.3.2 Cautions
Cautions precede instructions and are used when there is a possibility of damage to systems,
software, or individual items of equipment within a system. However, this damage presents
no danger to personnel. A caution has the following format:
CAUTION
Caution text and consequence for not following the instructions in the caution.
1.3.3.3 Notes
A note means that there is a possibility of an undesirable situation or provides additional
information to help the reader understand a topic or concept. A note has the following format:
NOTE
Note text.
3
Page 24
1 About This User Guide
1.4 Getting Additional Help
To get information or assistance as soon as possible for problems that you encounter, follow
this procedure:
1. Search this document, the user manuals that support the modules, and the software
release notes of supported releases:
i. In the Table of Contents for the topic.
ii. In the Adobe Reader® search capability for keywords that apply (Reader is a
registered trademark of Adobe Systems, Incorporated).
2. Visit the Motorola website at www.motorola.com/ptp
Ask your Motorola products supplier to help.
3.
4. Gather information from affected units such as:
i. the IP addresses and MAC addresses
ii. the software releases
iii. the configuration of software features
iv. any available diagnostic downloads
5. Escalate the problem to Motorola Technical Support as follows. You may either:
i. Send e-mail to support.ptp@motorola.com
ii.
Call our 24x7 Technical Support Center on +1 (0) 877 515 0400 (Worldwide)
or +44 (0) 808 234 4640 (UK Customers).
For warranty assistance, contact your reseller or distributor for the process.
1.5 Repair and Service
For unit repair or service, contact your service provider or an authorized Motorola Point-to-
Point Distributor for Return Material Authorization (RMA) and shipping instructions.
Alternatively, contact the PTP Global Technical Support Center to process an RMA.
4
Page 25
1.6 Warranty
Motorola’s standard hardware warranty is for one (1) year from date of shipment from
Motorola or a Motorola Point-to-Point Distributor. Motorola warrants that hardware will
conform to the current relevant published specifications and will be free from material defects
in material and workmanship under normal use and service. Motorola shall within this time, at
its own option, either repair or replace the defective product within thirty (30) days of receipt
of the defective product. Repaired or replaced product will be subject to the original warranty
period but not less than thirty (30) days.
Motorola warranty for software is described in details in 15.1 “Motorola Inc. End User License
ment”.
Agree
1.7 Electrical Safety
1 About This User Guide
WARNING
To prevent loss of life or physical injury, observe the safety guidelines in this section.
Power lines: Use extreme care when installing antennas near power lines.
Working at heights: Use extreme care when working at heights.
Grounding: The Outdoor Unit (ODU) for the PTP 500 Series Bridge must be properly
grounded to protect against lightning. In the USA and Canada it is the user’s responsibility to
install the equipment in accordance with Section 810 of the National Electric Code,
ANSI/NFPA No.70-1984 or Section 54 of the Canadian Electrical Code. These codes
describe correct installation procedures for grounding the outdoor unit, mast, lead-in wire and
discharge unit, size of grounding conductors and connection requirements for grounding
electrodes. Other regulations may apply in different countries and therefore it is
recommended that installation of the outdoor unit be contracted to a professional installer.
Protective earth: The ODU for the PTP 500 Series Bridge must be grounded to a Protective
Earth in accordance with the Local Electrical Regulations.
PIDU Plus: It is recommended that the supplied Power Indoor Plus (PIDU Plus PTP
300/500/600 Series) is used to power the PTP 500 Series Bridge ODU. The use of other
power sources may invalidate safety approval and affect your warranty.
5
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1 About This User Guide
Cable measuring card: A cable measuring card must NEVER be used at the ODU end
connected to power from the PIDU Plus. It must only be used at the bottom of the mast with
a multimeter. This is because the PIDU Plus voltage exceeds the limit allowed in some
countries for safe handling in wet conditions and therefore may create a safety hazard.
Alternative DC supplies: When using alternative DC supplies (via the PIDU Plus DC in
terminals as described in Section 2.8 “Redundancy and Alternative Powering
Config
urations”), such as battery-backed DC power source, the supply MUST comply with the
following requirements:
• The voltage and polarity is correct and is applied to the correct terminals in the PIDU Plus
• The power source is rated as SELV
• The power source is rated to supply at least 1A continuously
• The power source cannot provide more than the Energy Hazard Limit as defined by
IEC/EN/UL6090, Clause 2.5, Limited Power (The Energy Hazard Limit is 240VA)
Primary disconnect device: The main power supply is the primary disconnect device.
External cables: Safety will be compromised if external quality cables are not used for
connections that will be exposed to the weather.
Non-Motorola pow er su pply: Safety will be compromised if a different power supply is used
than the one supplied by Motorola as part of the system.
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Page 27
1.8 RF Safety
1 About This User Guide
WARNING
To protect from overexposure to RF energy, observe the safety guidelines in this
section.
1.8.1 RF Exposure Near the Antenna
Minimum separation distance: Install the radios for the PTP 500 family of PTP wireless
solutions so as to provide and maintain the minimum separation distances from all persons.
The minimum separation distances for each frequency variant are specified in Section 1.8.4
“Calculated Distances and Power Compliance Margins”.
oid standing in front of the antenna: When the system is operational, avoid standing
Av
directly in front of the antenna. Strong RF fields are present when the transmitter is on. The
Outdoor Unit (ODU) must not be deployed in a location where it is possible for people to
stand or walk inadvertently in front of the antenna.
1.8.2 Limits and Guidelines for RF Exposure
Limits and guidelines for RF exposure come from:
• US FCC limits for the general population. See the FCC web site at http://www.fcc.gov
,
and the policies, guidelines, and requirements in Part 1 of Title 47 of the Code of Federal
Regulations, as well as the guidelines and suggestions for evaluating compliance in FCC
OET Bulletin 65.
• Health Canada limits for the general population. See the Health Canada web site at
http://www.hc-sc.gc.ca/ewh-semt/pubs/radiation/99
Safety Code 6.
• EN 50383:2002 Basic standard for the calculation and measurement of electromagnetic
field strength and SAR related to human exposure from radio base stations and fixed
terminal stations for wireless telecommunication systems (110 MHz - 40 GHz).
• ICNIRP (International Commission on Non-Ionizing Radiation Protection) guidelines for
the general public. See the ICNIRP web site at http://www.icnirp.de/
Limiting Exposure to Time-Varying Electric, Magnetic, and Electromagnetic Fields.
7
ehd-dhm237/limits-limites_e.html and
and Guidelines for
Page 28
1 About This User Guide
1.8.3 Power Density Exposure Limit
The applicable power density exposure limit from the documents referenced above is:
• 10 W/m
Peak power density in the far field of a radio frequency point source is calculated as follows:
2
for RF energy in the 2.4-, 5.2-, 5.4-, 5.8- and 5.9 GHz frequency bands.
Equation 1 - Peak power density in the far field
GP
S
=
4.d
π
Rearranging terms to solve for distance yields:
2
Where
S power density in W/m2
P= Maximum Average transmit power capability of the radio, in
G= total Tx gain as a factor, converted from dB
d distance from point source, in m
d
=
.
GP
.4
S
π
8
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1 About This User Guide
1.8.4 Calculated Distances and Power Compliance Margins
Table 3 shows calculated minimum separation distances d, recommended distances and
resulting power compliance margins for each frequency band and antenna combination.
These are conservative distances that include compliance margins. At these and greater
separation distances, the power density from the RF field is below generally accepted limits
for the general population.
Table 3 - Power Compliance Margins
5.4
GHz
EU
5.8
GHz
FCC
5.8
GHz
Integrated
External
4ft Dish
Integrated
External
4ft Dish
Integrated
External
2ft Flat
Plate
External
6ft Dish
Variable Band Antenna Max
Average
Transmit
Power in
Burst
(Watt)
0.005
(7 dBm) 0.00250
0.00035
(-4.6 dBm) 0.00017
0.020
(13 dBm) 0.01
0.0014
(-1.4 dBm) 0.0007
0.32
(25 dBm) 0.16
0.32
(25 dBm)
0.32
(25 dBm)
P
(Watt)
0.16
0.16
d
(m)
G S
(W/m2)
200
(23 dBi) 10 0.06
2884
(34.6 dBi) 10 0.06
200
(23 dBi) 10 0.13 1 7.6
2884
(34.6 dBi) 10 0.13 1 7.6
200
(23 dBi) 10 0.5 2 4.0
631
(28 dBi)
6310
(38 dBi)
10 0.9 4 4.5
10 2.83 10 3.5
Recommended
Distance
(m)
1 15.9
Power
Compliance
Margin
NOTE
The regulations require that the power used for the calculations is the maximum
power in the transmit burst subject to allowance for source-based time-averaging.
At 5.4 GHz and EU 5.8 GHz, the products are generally limited to a fixed EIRP which
can be achieved with the Integrated Antenna. The calculations above assume that
the maximum EIRP allowed by the regulations is being transmitted.
If there are no EIRP limits in the country of deployment, use the distance calculations
for FCC 5.8 GHz for all frequency bands.
At FCC 5.8 GHz, for antennas between 0.6m (2ft) and 1.8m (6ft), alter the distance
proportionally to the antenna gain.
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1 About This User Guide
1.9 Compliance with Regulations
1.9.1 General
Changes or modifications not expressly approved by Motorola could void the user’s authority
to operate the system.
This system has achieved Type Approval in various countries around the world. This means
that the system has been tested against various local technical regulations and found to
comply. The frequency bands in which the system operates may be ‘unlicensed’ and, in these
bands, the system can be used provided it does not cause interference. Further, it is not
guaranteed protection against interference from other products and installations.
CAUTION
When planning a link that will use Connectorized PTP 500 Series bridges (with
external antennas), ensure that regulatory requirements are met for the installation,
as described in Section 10.5 “Regulatory Issues with Connectorized Units”.
1.9.2 FCC and ETSI Compliance Testing
The system has been tested for compliance to both US (FCC) and European (ETSI)
specifications. It has been shown to comply with the limits for emitted spurious radiation for a
Class B digital device, pursuant to Part 15 of the FCC Rules in the USA and appropriate
European ENs. These limits have been designed to provide reasonable
harmful interference. However the equipment can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to
other radio communications. There is no guarantee that interference will not occur in a
particular installation.
NOTE
A Class B Digital Device is a device that is marketed for use in a residential
environment, notwithstanding use in commercial, business and industrial
environments.
protection against
10
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1 About This User Guide
1.9.3 Radio and Television Interference
If this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
• Reorient or relocate the Outdoor Unit (ODU).
• Increase the separation between the affected equipment and ODU.
• Connect the ODU and PIDU Plus into a power outlet on a circuit different from that to
which the receiver is connected.
• Consult your installer or supplier for help.
1.9.4 Deployment and Operation
The Radio Regulations of various countries’ limits constrain the operation of radio products
generally. In particular the local regulator may limit the amount of conducted or radiated
transmitter power and may require registration of the radio link.
The power transmitted by the PTP 500 Series Bridge is controlled by the use of Region-
specific License Keys. Contact your supplier/installer to ensure that your product is set for the
correct License Key for your Country/Region and to ensure that you have fulfilled all the local
regulatory requirements, especially if you are intending to use a link with external antennas.
1.9.5 Examples of Regulatory Limits
For examples of how the regulatory limits apply to each frequency variant in specific
countries, refer to:
• Section 16.2.1 PTP 54500 Examples of Regulatory Limits
• Section 16.3.1 PTP 58500 Examples of Regulatory Limits
1.9.6 Registration of Links
UK Registration of Links – OfCom, The application form may be found at:
http://www.ofcom.org.uk/radiocomms/isu
Eire Registration of Links – Commission for Communication Regulation, The application form
may be found at:
http://www.comreg.ie/licensing_and_services
11
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2 Product Description
2 Product Description
This section provides a high level description of the PTP 500 product. It describes in general
terms the function of the product, the main product variants and typical deployment. It also
describes the main hardware components.
The following topics are described in this section:
• 2.1 Product Function
• 2.2 Typical Deployment
• 2.3 Frequency Variants
• 2.4 Other Product Variants
• 2.5 Network Connection
• 2.6 Outdoor Unit (ODU)
• 2.7 PIDU Plus PTP 300/500/600 Series
• 2.8 Redundancy and Alternative Powering Configurations
• 2.9 Remote LEDs and Recovery Switch
• 2.10 Cables and Connectors
• 2.11 PTP and Lightning Protection
• 2.12 Mounting Brackets
2.1 Product Function
The PTP 500 Series Bridge has been developed to provide Point-to-Point data connectivity
via a wireless Ethernet bridge operating at broadband data rates.
The PTP 500 Series Bridge offers true Non Line Of Sight (NLOS) operation by using a
combination of Orthogonal Frequency Division Multiplexing (OFDM) modulation and Multiple-
Input Multiple-Output (MIMO) techniques. These technologies enable the PTP 500 Series
Bridge to drive through foliage and around buildings to such an extent that almost universal
coverage can be expected at short range.
The PTP 500 Series Bridge has been designed to coexist with other users of the band in an
optimal fashion using a combination of Transmit Power Control (TPC), Spectrum
Management functionality and Antenna beam shape. In order to maintain link availability, the
product employs adaptive modulation techniques that dynamically reduce the data rate in
severe or adverse conditions.
12
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2 Product Description
2.2 Typical Deployment
The PTP 500 Series Bridge consists of an identical pair of units deployed one at each end of
the link. The radio link operates on a single frequency channel in each direction using Time
Division Duplex (TDD). One unit is deployed as a master and the other as a slave. The
master unit takes responsibility for controlling the link in both directions.
The PTP 500 Series Bridge is aimed at a wide range of applications. An example application
is an enterprise that has a requirement to connect together the Local Area Network (LAN) of
two or more buildings as shown in Figure 1.
Figure 1 - T
ypical PTP 500 Series Bridge Deployment
Each end of the link consists of:
• Outdoor Unit (ODU): An integrated (or connectorized -see section 10 “Connectorized
PTP 500
electronics.
• PIDU Plus: An indoor connection box containing a mains power supply, status indicators
and network connection port.
A pair of units is normally supplied pre-configured as a link.
Series Bridge”) outdoor transceiver unit containing all the radio and networking
13
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2 Product Description
2.3 Frequency Variants
The PTP 500 Series Bridge has been developed to operate within license exempt frequency
bands. The frequency variants are listed in Table 4.
Table 4 - PT
Variant Definition Frequency Coverage Variable
PTP
54500
PTP
58500
NOTE
ETSI 5 GHz Band B
FCC UNII Band
ETSI Band,
FCC ISM Band
The user must check that local regulations allow the use of these frequency variants.
P 500 Series Bridge Frequency Variants
2.4 Other Product Variants
The PTP 500 Lite version has lower data throughput rates then the Full version.
The PTP 500 outdoor unit (ODU) may be integrated (with its own antenna) or connectorized
(with a separate antenna).
Channel
Width
5470-5725 MHz 5, 10, 15
MHz
5725-5875 MHz (ETSI) and
5725-5850 MHz (FCC)
5, 10, 15
MHz
Channel
Raster
5 MHz
5 MHz
2.5 Network Connection
The network connection to a PTP 500 Series Bridge is made via a 100BaseT Ethernet
connection. Power is provided to the ODU over the 100BaseT Ethernet connection using a
patented non-standard powering technique.
Power is fed into the PIDU Plus from the mains via a standard “figure of eight” mains plug.
Connection between the ODU and PIDU Plus is made using standard CAT5e outdoor UV
resistant cable. Connection between the PIDU Plus and the Network Equipment is made
using standard CAT5e cable.
14
Page 35
2 Product Description
2.6 Outdoor Unit (ODU)
The ODU is a self-contained unit. It houses both radio and networking electronics. The ODU
for the PTP 500 Series Bridge should only be deployed using the supplied PIDU Plus PTP
300/500/600 Series. Figure 2 shows an installation example of a PTP 500 Series ODU.
Figure 2 – PTP 500 Serie
s Bridge Outdoor Unit (ODU)
15
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2 Product Description
2.7 PIDU Plus PTP 300/500/600 Series
The PIDU Plus PTP 300/500/600 Series (Figure 3) is used to generate the ODU supply
voltage from the mains supply (or from an external DC source) and inject this supply voltage
into the 100BaseT Ethernet connection to the ODU. Connection uses a CAT5e cable using
standard RJ45 wiring.
CAUTION
Care should be taken not to connect equipment other than an ODU or LPU for the
PTP 500 Series Bridge to a PIDU Plus ODU port, as equipment damage may occur.
The PIDU Plus PTP 300/500/600 Series is not interchangeable with the PIDU Plus
PTP 400 Series.
Figure 3 - Power Indoor Unit (PIDU Plus PTP 300/500/600 Series)
2.7.1 Power and Ethernet LEDs
The front panel contains indicators showing the status of the power and Ethernet
connections:
• The Power indicator is illuminated when the PIDU Plus is receiving mains power.
• The Ethernet indicator normally illuminates when the Ethernet link is working, flashing
when there is Ethernet activity. The fact that it lights also indicates that the ODU is
powered. At power up the LED will flash 10 times to indicate that a correct start up
sequence has occurred. See Section 9 “Fault Finding” for further fault finding information.
16
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2 Product Description
2.7.2 ODU, LAN and Recovery
At the bottom of the PIDU Plus is an entry point for the PIDU Plus to ODU cable, the
100BaseT Ethernet network port and the Recovery switch.
Figure 4 – PIDU Plus Recovery Switch Location
The Recovery switch is used to recover the unit from configuration errors or software image
corruption. To put an ODU into recovery mode, the Recovery switch should be pressed, then
the power applied. The Recovery switch should be kept pressed for at least 30 seconds after
the power has been applied. Full instruction on the recovery mode can be found in Section 8
“Recovery Mode”.
A simple re
Plus.
boot can be performed by removing and re-applying the mains power to the PIDU
2.7.3 DC In and Out
On the left hand side of the PIDU Plus, 48V DC input and output connections can be found.
These are used to power the PTP 500 Series Bridge from an external DC source or to
provide a level of power supply redundancy, as shown in Section 2.8 “Redundancy and
Alternative Powe
ring Configurations”.
2.7.4 Remote Connectors and Jumpers
Also on the left hand side of the PIDU Plus, connectors and jumpers can be found that allow
the remote connection of power LED, Ethernet LED and Recovery switch. The connection
instructions can be found in Section 2.9 “Remote LEDs and Recovery Switch”.
17
Page 38
2.7.5 Mains Connection
The input supply range for the PIDU Plus is 90V-264V AC, 47-63Hz. Mains connection to the
PIDU Plus is made using a standard “figure of eight” mains lead as shown in Figure 6.
2 Product Description
Figure 5 – PIDU Plus Po
wer Input
2.8 Redundancy and Alternative Powering Configurations
The PTP 500 Series Bridge can be powered from an external DC source and can be provided
with power supply redundancy as follows:
• External DC supply only (Figure 6): This configuration is fo
supply.
• External DC supply and AC supply (Figure 7): This configuratio
through the use of mains and DC supply.
• External DC supply and redundant AC Supply (Figure 8): This configuration guards
st mains failure and failure of the DC output of single PIDU Plus.
again
NOTE
CAUTION
The use of DC supplies of less than 55v will reduce the usable distance between the
PIDU Plus and ODU.
The maximum distance from the ODU to the connected network equipment is
100 m (330 ft) when using 100BaseT.
r use where there is no mains
n provides redundancy
18
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2 Product Description
Figure 6 - External DC Supply Only
Figure 7 - External DC Supply and AC Supply
Figure 8 - External DC Supply and Redundant AC Supply
19
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2 Product Description
2.9 Remote LEDs and Recovery Switch
The PIDU Plus provides a facility to connect remote LEDs and Recovery switch allowing the
PIDU Plus to be mounted inside an enclosure. At the left hand end of the PIDU Plus under
the ODU connection cover can be found a PCB header and three jumpers. Jumpers J906 and
J907 should be removed and connection to the remote LEDs and Recovery switch made to
J908 as shown in Figure 9.
Figure 9 - Re
mote LED and Recovery Switch Wiring
2.10 Cables and Connectors
The cable used to connect the PIDU Plus to the ODU can be any standard CAT5e type
provided that it is UV resistant and suitable for outdoor deployment. Motorola recommends
that cables to the specification below be used:
Cable: Superior Essex BBDGE CAT 5e
Connector Type: Tyco, 5-569278
Gland: Motorola WB1811
CAUTION
Failure to use the recommended (or equivalent) standard of cable may invalidate the
system’s safety certification.
20
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2 Product Description
The cable used to connect the PIDU Plus to the users Network Equipment can be any
standard CAT5e Cable.
The PIDU Plus to ODU and the PIDU Plus to Network Equipment cables may be unscreened
(UTP) or screened (STP). However, unscreened cables reduce the system’s ability to cope
with nearby lightning strikes. If lightning activity is common in the area of deployment, the use
of screened cable is highly recommended. See Section 5 “Lightning Protection”.
The PIDU P
connections.
NOTE
lus provides screen continuity between the ODU and Network Equipment
The ODU network connection implements automatic MDI/MDI-X sensing and pair
swapping allowing connection to networking equipment that require cross-over cables
(MDI-X networks) or straight-through cables (MDI Networks).
2.11 PTP and Lightning Protection
The PIDU Plus meets the low level static discharge specifications identified in Section 16
“PTP 500 Reference Information”, but does not provide lightning or surge suppression.
mount of lightning protection is dependent on regulatory requirements and the end user
The a
requirements. The standard ODU for the PTP 500 Series Bridge is fitted with surge limiting
circuits and other features to minimize the risk of damage due to nearby lightning strikes.
These standard features may require some additional equipment to be configured as part of
the system installation to be fully effective.
A separate Ethernet surge suppressor must be used and appropriately earthed. Suitable
surge suppressors can be sourced from your Motorola Point-to-Point Distributor or Solutions
Provider. See Section 5 “Lightning Protection”
CAUTION
Motorola recommends the use of screened cable and Lightning Protection units to
protect connected equipment from nearby strikes.
The PTP 500 Series Bridge is not designed to survive direct lightning strikes. For this
reason the unit should not be installed as the highest point in a localized area, unless
specific precautions are taken. See Section 5 “Lightning Protection”.
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2 Product Description
2.12 Mounting Brackets
The ODU is supplied with a bracket for mounting it to a pole of 50mm (2”) to 75mm (3”) in
diameter. For more details on mounting, see Section 6 “Installation”.
racket allows for adjustment in both azimuth and elevation. The bracket may be split to
The b
allow the pole mount section of the bracket to be mounted to the pole first. This allows the
installer to take the weight of the unit and secure it, one handed, with a single mounting bolt.
The PIDU Plus can either be desk or wall mounted. The preference is wall mounted, with the
cables dressed to a cable channel. Wall mounting is achieved by screwing through the
mounting lugs on either side of the unit. Remember to leave space for access to the
Recovery button. See Section 2.7 “PIDU Plus PTP 300/500/600 Series”.
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3 Product Features
3 Product Features
This section provides descriptions of the main features of PTP 500 product architecture.
The following topics are described in this section:
• 3.1 Ethernet Frames
• 3.2 Management Function
• 3.3 Configuration and Management
• 3.4 Channel Bandwidth and Link Symmetry Control
• 3.5 Non Line Of Sight (NLOS) and Line Of Sight (LOS)
• 3.6 Upgradeable Software
• 3.7 Networking Information
• 3.8 Link Mode Optimization
• 3.9 Telecoms Circuits
• 3.10 Radar Avoidance
3.1 Ethernet Frames
The PTP 500 series provides wireless Ethernet bridging between two fixed locations. To be
more precise, it forwards Ethernet frames as a two-port transparent heterogeneous
encapsulation bridge, meaning that each bridge forwards frames between two dissimilar
interfaces (Ethernet and wireless), encapsulating Ethernet MAC frames within a PTP MAC
frames for transmission at the wireless interface. A link consisting of a pair of back to back
bridges appears to the data network to be very similar to a standard two-port Ethernet bridge.
The PTP 500 series provides eight traffic classes, classifying Ethernet frames into one of
eight prioritized queues based on inspection of the user priority field (802.1p) in a customer
(IEEE802.1Q) VLAN tag or provider (IEEE802.1ad) VLAN tag. Untagged frames receive a
default priority. The scheduling method is strict priority. The bridge does not implement any
VLAN functions for bridged frames apart from inspection of the priority field, and consequently
the bridge forwards tagged and untagged Ethernet frames regardless of VLAN ID and without
modification of any protocol header field.
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3 Product Features
3.2 Management Function
The management function of the PTP 500 Series Bridge is logically equivalent to a separate
protocol stack with virtual point of attachment at the Ethernet interface. This is illustrated in
Figure 10.
Figure 10 –
Each unit in the link is manageable through an IP connection. Standard IP protocols are
utilized for all management functions, for example, HP, SNMP, etc. The unit can be
configured to use a VLAN with a single C-tag or S-tag on the management interfaces.
PTP 500 Series Bridge Layer Diagram
3.3 Configuration and Management
Configuration and Management of the PTP 500 Series Bridge is implemented using an inbuilt
web server hosting a number of Configuration and Management web pages. This approach
allows Configuration and Management to be carried out on any standard web browsing
technology. The PTP 500 Series Bridge can also be managed remotely using the SNMP
management protocol. Connection to the bridge is via the Ethernet connection carrying the
bridge network traffic. Connection to the unit is via a preset IP address. This address can be
changed via the Network Interface Configuration web page. A full explanation of the available
web pages and their use can be found in Section 7 “Web Page Reference”.
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3 Product Features
3.4 Channel Bandwidth and Link Symmetry Control
The PTP 500 series provides configurable channel bandwidth in the radio link (5 MHz, 10
MHz and 15 MHz depending on the frequency band for the bandwidth choice), and
configurable fixed and adaptive link symmetry. Fixed link symmetry supports:
• 3:1
• 1:1
• 1:3
Channel bandwidth 5 MHz supports link symmetry 1:1 only.
3.5 Non Line Of Sight (NLOS) and Line Of Sight (LOS)
The PTP 500 Series Bridge is designed to operate in both Non Line Of Sight (NLOS) and
Line Of Sight (LOS) environments.
3.6 Upgradeable Software
The PTP 500 Series Bridge is fully software upgradeable. New software images are first
downloaded from the Motorola website http://www.motorola.com/ptp
computer. The image is then uploaded to the ODU via the web management page described
in Section 7.8 “Software Upgrade”. The compressed image is first loaded into RAM and
ck-summed. If the compressed image transfer has completed successfully the image is
che
decompressed and written to flash memory. On completion of this process the unit can be
rebooted to use the newly uploaded image. Should this process fail, the unit will revert to a
protected compressed image installed during manufacturing to allow the unit to be recovered.
3.7 Networking Information
The PTP 500 Series Bridge operates as a transparent Ethernet bridge. Although each unit
requires an IP address, this IP address is for management purposes only, and it plays no part
in the forwarding of bridged Ethernet frames. IP addresses are assigned during initial
to a convenient
configuration as described in Section 6 “Installation”.
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3 Product Features
3.8 Link Mode Optimization
Link Mode Optimization allows the PTP 500 link to be optimized according to the type of
traffic that will be bridged. The link supports two modes: IP mode and TDM mode.
3.8.1 IP Link Mode Optimization
IP mode is optimized to provide the maximum possible link capacity. IP mode is an
appropriate choice where applications in the bridged networks provide some measure of
reliable transmission, and where very low latency is not critical.
IP mode supports both fixed and adaptive link symmetry (see Section 3.4 “Channel
Band
width and Link Symmetry Control”).
3.8.2 TDM Link Mode Optimization
TDM mode is optimized to provide the lowest possible latency. TDM mode additionally
implements a more conservative approach to adaptive modulation, leading to lower error
rates in fading channels at the expense of slightly lower link capacity. TDM mode is an
appropriate choice for delay intolerant data without reliable transmission (for example voice
over IP data).
TDM mode supports fixed link symmetry only (see Section 3.4 “Channel Bandwidth and Link
mmetry Control”).
Sy
TDM mode is selected automatically when Telecom interfaces are enabled.
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3 Product Features
3.9 Telecoms Circuits
The PTP 500 link provides native support for one E1 link, or one T1 link. The link relays
unstructured E1 or T1 data and provides accurate timing transfer.
3.9.1 Lowest Telecoms Modulation Mode
In narrow channel bandwidth and lower modulation modes, the link may have insufficient
capacity to relay the E1/T1 payload; in this case, the wireless link continues to carries timing
information in order to maintain accurate clock synchronization. The relay of telecoms data
resumes automatically when the link reaches a suitable modulation mode.
Links that are able to operate consistently in a high modulation mode can take advantage of
lower link latency. This option is configured by setting the "Lowest Telecoms Modulation
Mode" during installation. Appropriate settings for this control may be determined by using the
LINKPlanner tool. The reduction in latency is achieved by disabling the relay of telecoms data
in lower modulation modes, and this necessarily results in somewhat lower availability for the
telecoms circuit. The loss of availability can be estimated using the LINKPlanner.
The unit will override the user setting of Lowest Telecoms Modulation Mode if the selected
mode has insufficient capacity to carry the telecoms data, or if the mode demands very high
latency and requires more buffering than the link can provide. When the effective mode differs
for Single and Dual Payload operation two modes will be displayed: "Lowest Dual Payload
Modulation Mode" and "Lowest Single Payload Modulation Mode".
3.9.2 Fixed Frequency Operation
In the PTP 500 link, data errors may occur during channel changes on an operational link. It
may be appropriate to minimize channel-change-related errors in a link carrying Telecoms
traffic by preventing channel changes initiated by i-DFS. This can be achieved by barring all
channels except one in the Spectrum Management page, or alternately by selecting Fixed
Frequency mode. These steps disable interference avoidance mechanisms, and should not
be taken if the risk of errors due to interference is more severe than the risk due to channel
changes.
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3.9.3 Further Reading
Installation details are provided in Section 11 “E1/T1 Installation Guide”.
The E1 or T1 circuit is configured using the web pages described in Section 7.5.5 “Telecoms
Config
uration” and 7.7.3.1 “Telecoms Interface”.
3.10 Radar Avoidance
Radar Avoidance requires that equipment used in the region:
• Detects interference from other systems and avoids co-channel operation with these
systems, notably radar systems.
• Provide on aggregate a uniform loading of the spectrum across all devices, that is, Fixed
Frequency operation is not allowed.
To address the primary aims, the Spectrum Management algorithm implements a radar
detection function which looks for impulsive interference on the operating channel only. If
impulsive interference is detected, Spectrum Management will mark the current operating
3 Product Features
channel as having detected radar (unavailable channel) and initiate a channel hop to an
available channel. The previous operating channel will remain in the unavailable state for
thirty minutes after the last impulsive interference pulse was detected. After the thirty minutes
have expired the channel will be returned to the usable channel pool.
The equipment can only transmit on available channels, of which there are none at initial
power up. The radar detection algorithm will always scan a usable channel for 60 seconds
for radar interference before making the channel an available channel. This compulsory
channel scan will mean that there is a 60 seconds service outage every time radar is detected
and that the installation time is extended by 60 seconds even if there is found to be no radar
on the channel.
NOTE
On system installation or start-up this extends the initial scan time of the Master unit
by 60 seconds. To address the requirement to provide aggregate uniform loading of
the spectrum across all devices, the channel selection algorithm will choose a
channel at random from a list of useable channels. The channel selection algorithm is
initiated at link initialization and when radar interference is detected.
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4 Planning Considerations
4 Planning Considerations
This section provides information to help the user to plan a PTP 500 link.
Each frequency variant has specific licensing restrictions that affect frequency range, channel
bandwidth, maximum power and radar avoidance. Link planning must take account of
obstructions, site selection, path loss and wind loading.
The following topics are described in this section:
• 4.1 Spectrum Planning
• 4.2 Licenses and Region Codes
• 4.3 Radar Avoidance and Bandwidth Operation
• 4.4 Variable Channel Bandwidth Operation
• 4.5 Link Planning
• 4.6 Site Selection Criteria
• 4.7 Wind Loading
• 4.8 Path Loss Considerations
• 4.9 System Threshold, Output Power and Link Loss
To calculate
Rate Calculat
the data throughput capacity of a planned PTP 500 link, see Section 12 “Data
ions”.
4.1 Spectrum Planning
The PTP 500 may use one of four alternative methods of spectrum planning. The choice of
methods depends upon whether or not the region mandates radar detection.
4.1.1 Regions Without Mandatory Radar Detection
In regions that do not mandate DFS (Radar Detection), the frequencies may be configured
symmetrically or asymmetrically (different transmit and receive frequencies). The Spectrum
Management Control options are:
• Intelligent Dynamic Frequency Selection (i-DFS): This method continually monitors the
spectrum looking for the channel with the lowest level of on channel and co-channel
interference. Statistical techniques are used to select the most appropriate transmit and
receive channels. The i-DFS mode can be influenced in its channel decision process by
selectively barring channels from use.
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4 Planning Considerations
• Fixed Frequency: This method allows the installer to allocate fixed transmit and receive
frequencies on the units.
4.1.2 Regions With Mandatory Radar Detection
In regions that mandate DFS (Radar Detection), the frequency must always be symmetrical
(transmit and receive on the same frequency). The Spectrum Management Control options
are:
• Dynamic Frequency Selection (DFS): This method detects interference from other
systems and avoids co-channel operation with these systems, notably radar systems.
• DFS with i-DFS: This method is similar to i-DFS. It differs in the event that several
alternative channels are equally the best within the 1 dB measurement resolution. In i-
DFS, the ODU selects the lowest channel number out of the set of best channels. In DFS
with i-DFS, the ODU makes a random selection from the equal best channels.
4.2 Licenses and Region Codes
The PTP 500 Series Bridge uses a system of Region Codes to control the operation of the
radio link. The user must ensure the product is configured to conform to local regulatory
requirements by installing a License Key for the correct Region Code.
CAUTION
For the connectorized model, when using external antennas of higher gain than the
appropriate integrated antenna, the regulations may require the maximum Tx power
to be reduced. To ensure that regulatory requirements are met for connectorized
installations, refer to Section 10.5 “Regulatory Issues with Co
The license and region codes for each frequency variant are listed in:
• Section 16.2.2 PTP 54500 Licenses and Region Codes
• Section 16.3.2 PTP 58500 Licenses and Region Codes
nnectorized Units”.
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4 Planning Considerations
4.3 Radar Avoidance and Bandwidth Operation
Where regulatory restrictions apply to certain channels these channels are barred. RTTT
avoidance may be necessary in all channel bandwidths. The number of channels barred is
dependant on the channel raster selected. For example see the effect of the UK RTTT
channel restrictions in the 15 MHz bandwidth (Figure 11), where blocks in red indicate
nnels that are barred. Barred channels are indicated by a “No Entry” symbol displayed on
cha
the “Spectrum Management” web page, see Section 7.9.11 “Spectrum Management Control
with Ra
Figure 11 - 5.8 GHz UK RTTT Channel Avoidance – 15 MHz Channel Band widt h (Example)
dar Avoidance”.
NOTE
Radar avoidance requirements in the 5.4 GHz band in the EU is detailed in
specification EN 301-893 version V1.4.1 plus additional requirements shown in the
OJ of the EC and in the US in the specification FCC part 15.407. Radar avoidance at
5.8 GHz is applicable to EU operation and the requirements are currently as defined
in EN 302 502.
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4 Planning Considerations
4.4 Variable Channel Bandwidth Operation
Channel bandwidths of 5, 10 and 15 MHz are supported for the PTP 500 product.
Configuration of the variable bandwidth operation must be symmetric, that is, the Transmit
and receive channels must use identical Channel Bandwidths.
For details of the spectrum settings that are available to each frequency variant, refer to:
• Section 16.2.6 PTP 54500 Available Spectrum Settings
• Section 16.3.6 PTP 58500 Available Spectrum Settings
4.5 Link Planning
4.5.1 Link Range
The PTP 500 Series Bridge operates at ranges from 100 m (330 ft) to 250 km (155 miles).
Operation of the system will depend on obstacles in the path between the units. Operation at
40 km (25 miles) or above requires a near line of sight path. Operation at 100m (330 ft) may
be achieved with one unit totally obscured from the other unit, but with the penalty of
transmitting at higher power in a non-optimal direction, thereby increasing interference in the
band.
4.5.2 Obstructions
A survey must be performed to identify all the obstructions (such as trees or buildings) in the
path and to assess the risk of interference. This information is important if you are to achieve
an accurate link feasibility assessment.
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4.5.3 PTP LINKPlanner
Link planning enables a link of known quality to be installed. This involves the acquisition of
path profile data (using Motorola’s free LINKPlanner utility). The LINKPlanner predicts data
rates and reliability over the path. It allows the user to try different antenna heights and RF
power settings. When the link is installed, the mean path loss can be checked to confirm that
the predicted data rate and link reliability is achievable. Motorola LINKPlanner is available to
4 Planning Considerations
download from http://www.motorola.com/ptp/support.
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4 Planning Considerations
4.6 Site Selection Criteria
The following are guidelines for selecting the installation location of the ODU and PIDU Plus
for a PTP 500 Series Bridge.
4.6.1 ODU Site Selection
When selecting a site for the ODU the following should be taken into consideration:
• It should not be possible for people to stand or walk in front of the antenna
• Height and location to achieve the best radio path
• Height in relation to other objects with regard to lightning strikes
• Aesthetics and planning permission issues
• Distance from the ODU and connected Network equipment (Maximum cable run from the
ODU to the connected equipment is 100m [330 ft])
• The effect of strong winds on the installation – see Section 4.7 “Wind Loading”.
4.6.2 PIDU Plus Site Selection
When selecting a site for the PIDU Plus the following should be taken into consideration:
• Availability of a mains electricity supply
• Accessibility for viewing status indicators and pressing Recovery switch.
4.7 Wind Loading
Antennas and electronic equipment mounted on towers or pole mounted on buildings will
subject the mounting structure to significant lateral forces when there is appreciable wind.
Antennas are normally specified by the amount of force (in pounds) for specific wind
strengths.
The magnitude of the force depends on both the wind strength and size of the antenna.
4.7.1 Calculation of Lateral Force
The PTP 500 Series bridge with or without the integral antenna is essentially a flat structure
and so the magnitude of the lateral force can be estimated from:
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4 Planning Considerations
Force (in pounds) = 0.0042 . A . v
Where A is the surface area in square feet and v is the wind speed in miles per hour.
The lateral force produced by a single PTP 500 Series bridge (integrated or connectorized
model) at different wind speeds is shown in Table 5 and Table 6.
Table 5 - La
PTP 500 Series
Bridge - Integrated
PTP 500 Series
Connectorized
Largest Surface
Area (sq ft)
1.36 36.6 57.1 82.3 146.2 228.5
1.00 26.9 42 60.5 107.5 168.0
Table 6 - Lateral Force – Metric
Largest Surface
Area (sq m)
2
teral Force – Imperial
Lateral Force (Pound) at wind speed (mph)
80 100 120 140 150
Lateral Force (kg) at wind speed (m/s)
30 40 50 60 70
PTP 500 Series
Bridge - Integrated
PTP 500 SeriesConnectorized
NOTE
When the connectorized version of PTP 500 Series bridge is used with external
antennas, the figures from the antenna manufacturer for lateral force should be
included to calculate to total loading on the mounting structure.
0.130 12 22 34 49 66
0.093 9 16 24 35 48
4.7.2 Capabilities of the PTP 500 Series Bridges
The structure and mounting brackets of the PTP Series systems are capable of withstanding
wind speeds up to 151mph (242 kph). The installer should ensure that the structure to which
the PTP 500 Series Bridge is fixed to is also capable of withstanding the prevalent wind
speeds and loads.
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4 Planning Considerations
4.7.3 Wind Speed Statistics
Installers are recommended to contact the national meteorological office for the country
concerned to identify the likely wind speeds prevalent at the proposed location. This will
enable the installer to estimate the total wind loading on the support structures.
Examples of the sort of statistics that are available are:
USA - Reported Fastest Single Wind Velocities for Selected U.S. Cities
(Source: National Weather Service).
City, State Wind Velocity
Bismarck, North Dakota 72
Buffalo, New York 91
Chicago, Illinois 87
Hatteras, North Carolina 110
(mph)
Miami, Florida 132
New York, New York 99
Pensacola, Florida 114
UK Meteorological Office, www.meto.gov.uk
Peak wind speed contour maps can be found as Fig 3a/3b at:
http://www.meto.gov.uk/educatio
n/historic/1987.html
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4 Planning Considerations
<++
4.8 Path Loss Considerations
Path loss is the amount of attenuation the radio signal undergoes between the two ends of
the link.
4.8.1 Calculating Path Loss
The path loss is the sum of the attenuation of the path if there were no obstacles in the way
(Free Space Path Loss), the attenuation caused by obstacles (Excess Path Loss) and a
margin to allow for possible fading of the radio signal (Fade Margin). The calculation of
Equation 2 needs to be performed to judge whethe
+
_
Where
spacefreeL_
L
excess
L
fade
L
seasonal
L
capability
4.8.2 Adaptive Modulation
r a particular link can be installed.
Equation 2 - Path Loss
LLLLL
Free Space Path Loss (dB)
Excess Path Loss (dB)
Fade Margin Required (dB)
Seasonal Fading (dB)
Equipment Capability (dB)
capabilityseasonalfadeexcessspacefree
Adaptive Modulation ensures that the highest throughput that can be achieved
instantaneously will be obtained, taking account of propagation and interference. When the
link has been installed, web pages provide information about the link loss currently measured
by the equipment, both instantaneously and averaged. The averaged value will require
maximum seasonal fading to be added, and then the radio reliability of the link can be
computed.
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4 Planning Considerations
For minimum error rates on TDM links, the maximum modulation mode should be limited to
64QAM 0.75.
The values for (BPSK) are static receive sensitivity measurements. The other values are
static receive sensitivity measurements with an AMOD threshold applied. The AMOD
threshold applied is for a benign radio channel.
Field definitions are:
Sensitivity
Sensitivity is defined as the combined receive input signal level on both horizontal and vertical
inputs that produces a Null BER Error ratio of 3x10
-7
.
Output Power
The output power is for a centre channel in Region 1. The output power will be reduced on the
edge channels and may vary if different region codes are selected.
AMOD Threshold
The AMOD threshold is the combined receive input signal level on both horizontal and vertical
inputs that results in the link consistently entering the receive modulation mode under
consideration as the signal level is increased.
System Threshold
Thresholds for all modes except BPSK are for the relevant link optimization AMOD
thresholds. System threshold for BPSK is the RPSK receive sensitivity.
Max Link Loss
The maximum link loss for each modulation mode is derived from the AMOD threshold for that
mode (sensitivity threshold for BPSK) and the maximum Region 1 centre channel output
power. The figures assume integral antennas are used, with gain 23 dBi (5.8 GHz and 5.4
GHz).
4.9 System Threshold, Output Power and Link Loss
For details of the system threshold, output power and link loss for each frequency variant in
all modulation modes for all available channel bandwidths, refer to:
• Section 16.2.7 PTP 54500 System Threshold, Output Power and Link Loss
• Section 16.3.7 PTP 58500 System Threshold, Output Power and Link Loss
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5 Lightning Protection
5 Lightning Protection
This section provides instructions for protecting PTP 500 installations against lightning strike.
The purpose of lightning protection is to protect structures, equipment and people against
lightning by conducting the lightning current to ground via a separate preferential solid path.
The following topics are described in this section:
• 5.1 Lightning Protection Zones
• 5.2 LPU Detailed Installation
• 5.3 LPU Kit
• 5.4 LPU Installation Wiring
• 5.5 LPU Installation Diagram
This
section should be treated as a guide only. The actual degree of lightning protection
required depends on local conditions and weather patterns and applicable local regulations.
Full details of lightning protection methods and requirements can be found in the international
standards IEC 61024-1 and IEC 61312-1, the U.S. National Electric Code ANSI/NFPA No.
70-1984 or section 54 of the Canadian Electric Code.
CAUTION
EMD (Lightning) damage is not covered under standard warranty. The
recommendations in this user manual, when implemented correctly, give the user the
best protection from the harmful effects of EMD. However 100% protection is neither
implied nor possible.
5.1 Lightning Protection Zones
When the ODU is installed on a mast, tower or wall, it may be in one of two possible lightning
protection zones :
• Zone A: In this zone a direct lighting strike is possible. Do not mount the ODU in this
zone.
• Zone B: In this zone, direct EMD (Lightning) effects are still possible, but mounting in this
zone significantly reduces the possibility of a direct strike. Mount the ODU in this zone.
The zones are determined using the ‘rolling sphere method’: an imaginary sphere, typically 50
meter in radius, is rolled over the structure. All structure points that contact the sphere
indicate the zone (A) where a direct strike is possible. Similarly points that do not contact the
sphere indicate a zone (B) where a direct strike is less likely.
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5 Lightning Protection
Zones A and B are shown in Figure 12.
Figure 12 - O
DU mounted in Zones A & B
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5 Lightning Protection
It may be possible to extend Zone B by installing a finial above the ODU ( Figure 13).
Figure 13 –
In Zone B, a direct lightning strike is unusual, but the un-attenuated electromagnetic field is
still present. Equipment mounted in Zone B should be grounded using grounding wire of at
least 10 AWG. This grounding wire should be connected to a grounding rod or the building
grounding system before entry in to building.
Using a Finial to Extend Zone B
NOTE
WARNING
The PTP 500 Series bridge ODU grounding point can be found on the bottom of the unit. The
ODU is supplied with an appropriate grounding lug.
The following protection requirements are mandatory in both Zones A and B:
• The ODU must be earthed
• Screened CAT 5e cable must be used
• Surge arrestors of type PTP-LPU must be installed at building entry
• There must be an earth connection at building entry
The recommended standard components for protecting installations are listed in 5.5 “LPU
Installation Di
Local regulations may also require the fitting of the 8 AWG grounding wire.
Equipment mounted in Zone A must be capable of carrying the full lightning current.
Mounting of the ODU in Zone A is not recommended. Mounting in Zone A should only
be carried out observing the rules governing installations in Zone A. Failure to do so
may put structures, equipment and life at risk.
agram”.
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5 Lightning Protection
5.2 LPU Detailed Installation
The Lightning protection Unit should be mounted at the building entry point and must be
grounded (Figure 14).
Figure 14 –
PTP LPU Installation Example for PTP 500 Series (Not to Scale)
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5.3 LPU Kit
The PTP-LPU Kit is supplied with a 600mm ODU to PTP-LPU cable pre-fitted with glands.
Figure 15 shows all the components that are supplied with the Motorola Kit WB2978AA.
5 Lightning Protection
Figure 15 - P
TP LPU Full Kit
5.4 LPU Installation Wiring
Figure 16 shows the correct installation wiring for a PTP 500 with lightning protection.
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5 Lightning Protection
Figure 16 - Simplified Circuit Diagram
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5 Lightning Protection
5.5 LPU Installation Diagram
This section contains a diagram to show how the components of PTP 500 sites are installed
and connected with LPU.
The recommended standard components for protecting installations are:
• Screened CAT 5e cable, also known as Shielded CAT 5e or CAT 5e STP (Shielded
Twisted Pair)
• Surge arrestor, type PTP-LPU: 2 per link (1 Motorola Kit Part Number WB2978AA)
• Grounding stake
• Grounding cable: minimum size 8 AWG, preferably 6 or 4 AWG
• RJ45 screened connectors
There may be a local regulatory requirement to cross bond the CAT 5e cable to the mast or
tower at intervals as regular as every 10 metres (33 feet). This can be achieved using an
Andrew grounding assembly type 223158 or similar.
NOTE
Where an installation already has, or requires the use of a Master Ground Bar then the
requirements of Motorola Specification R56 "STANDARDS AND GUIDELINES FOR
COMMUNICATION SITES" (68P81089E50) take precedence over those in this guide.
NOTE
Refer to instructions contained in the Andrew grounding kit for correct installation, or if
instructions are missing, refer to:
http://awapps.commscope.com/catalog/product_detai
If a coaxial (or other) cable is already cross-bonded to the mast or tower, the same
cross bonding points on the mast or tower must be used for the CAT 5e cable.
ls.aspx?id=15832&tab=2
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5 Lightning Protection
5.5.1 Typical Mast or Wall Installation
Figure 17 shows a typical PTP 500 Series mast or wall installation using PTP-LPU Surge
protection.
Figure 17 - Typical Mast or Wall Installations
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6 Installation
This section provides instructions for installing a PTP 500 link.
It is advised that the link be configured and tested on a bench before the final installation of
the units on site. Providing it is safe to do so, the installer should take the bench testing
process to the point where a radio link is established. For more information, see the
Deployment Guide.
6 Installation
CAUTION
Motorola recommends that only qualified personnel undertake the installation of a
PTP 500 Series Bridge solution.
We recommend that the practices and procedures detailed in the Motorola manual
R56 "STANDARDS AND GUIDELINES FOR COMMUNICATION SITES"
(68P81089E50) be applied to all new site build activities. This manual is provided on
the PTP 500 CD-ROM.
The standard PTP 500 Series installation procedure consists of the following stages:
1. Prepare for installation as described in Section 6.3 “Preparation”.
2.
Mount the ODUs as described in Section 6.4 “Mounting the ODU
3. Connect the equipment as described in Section 6.5 “Connecting Up”.
Establish a radio link as described in Section 6.6 “Establishing a Radio Link”.
4.
s”.
Dep
ending upon the options required, see also the following sections:
1. If a connectorized PTP 500 variant is to be installed, see Section 10 “Connectorized
PTP 500 Seri
2. If an E1/T1 link is to be installed, see Section 11 “E1/T1 Installation Guide”.
If the link is to be encrypted, see Section 13 “AES Encryption”.
3.
es Bridge”.
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6.1 Installation Support
Online installation support and contact details for your regional support can be found at
http://www.motorola.com/ptp
A Frequently Asked Questions (FAQ) section can be found in Section 17 “FAQs”.
6.2 Legal Disclaimer
IN NO EVENT SHALL MOTOROLA, INC. BE LIABLE FOR ANY INJURY TO ANY PERSONS
OR ANY DAMAGE CAUSED DURING THE INSTALLATION OF THE MOTOROLA PTP 500
SERIES PRODUCT.
6.3 Preparation
6.3.1 Checks
Before proceeding with the installation, perform the following checks:
• Ensure that you have planned the link, as described in Section 4 “
Considerations”.
• Check the contents of all packages against the parts lists shown in the packing list.
Planning
• Ensure that you are qualified to undertake the work.
• Ensure that you have taken the correct safety precautions.
6.3.2 Tools Required
The following specific tools are required to install a PTP 500 Series Bridge, in addition to
general tools:
• 13mm wrench and 22 mm wrench for use with the glands
• RJ45 crimp tool (it must be the correct tool for the type of RJ45 being used)
• Personal Computer (PC) with 100BaseT Ethernet
• Either Internet Explorer version 6 or higher, or FireFox 2.0 or higher are recommended.
• Ethernet patch cables
• Motorola PTP LINKPlanner report for this link
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6.4 Mounting the ODUs
6.4.1 Mounting Bracket
The ODU is pre-fitted with a mounting bracket (designed to ease installation) and an earth bonding
lead (Figure 18).
Figure 18 –
ODU with Mounting Bracket and Earth Bonding Lead
6.4.1.1 Safety Precautions When Mounting the ODU
WARNING
To prevent failure of the assembly, observe the precautions listed below when
mounting the ODU.
The following safety precautions must be taken when mounting the ODU:
• Do not remove the pre-fitted mounting bracket from the ODU.
• Do not mount the ODU on poles with diameter less than 50mm (2”) or greater than 75mm
(3”). The ODU mounting bracket is designed to work only with poles with diameter in the
50 mm (2”) to 75 mm (3”) range.
• Do not over-tighten the bolts.
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6.4.2 ODU Mounting Procedure
The ODU must be mounted using the following steps, ensuring that the cable entry is at the
bottom:
1. Attach the bracket strap to the pole using M8 x 70 mm bolts, M8 flat washers and M8
coil washers (Figure 19). Tighten to ensure the assem
bly grips but can be adjusted.
Figure 19 – ODU Bracket Strap
2. Offer the ODU (with pre-fitted mounting bracket) to the bracket strap and affix using
the captive M8 bolt. Tighten to ensure the assembly grips, but can be adjusted on the
pole (Figure 20 and Figure 21).
Figure 20 –
ODU Mounting Bracket
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Figure 21 - ODU Mounted on Pole
3. Adjust the elevation and azimuth of the unit before tightening to the required torque
settings of 14 Nm (11 lb ft) for both bolts.
CAUTION
Attach the free end of the earth bonding lead (large tag M10) to the tower metal work.
On no account must this be attached to the mounting bracket bolts.
The enclosure and mounting brackets of the PTP 500 Series Bridge product range are
capable of withstanding wind speeds up to 200 mph (320 kph). The installer should ensure
that the structure the bridge is fixed to is also capable of withstanding the prevalent wind
speeds and loads. See Section 4.7 “Wind Loading”.
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6.4.3 Hoist and Safety Loop
Use the integral safety loop (Figure 22) for hoisting the ODU up a mast, tower or building.
When the ODU is in position, use the safety loop as a fixing point to secure a permanent
lanyard from the mast, tower or building to the ODU, as a precaution against mounting failure.
Figure 22 - Integral Safety Loop
WARNING
The safety lanyard must not exceed 1m (approx 3 ft) in length. The lanyard must be
made from a material that does not degrade in an outdoor environment.
The safety lanyard must be fixed to a separate fixing point that is not part of the direct
mounting system for the ODU.
If the safety loop or its fixing is damaged in any way or has been exposed to a shock
loading due to a fall, replace it with a new one before undertaking any further
operations.
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6.5 Connecting Up
6.5.1 Preparing the PIDU Plus To ODU Cable
The maximum cable length between the ODU and the user’s Network Equipment is 100m
(330 ft). Cable lengths up to 300m (984 ft) can be used where the PIDU Plus to ODU cable is
supplying power only, that is, when using the PTP 500 Series Bridge Optical Interface.
6.5.1.1 Cable Safety Precautions
WARNING
The copper screen of the recommended Superior Essex cable is very sharp and may
cause personal injury. When preparing the Superior Essex cable, take the following
safety precautions:
ALWAYS wear cut resistant gloves (check the label to ensure they are cut
resistant).
ALWAYS wear protective eyewear.
ALWAYS use a rotary blade tool to strip the cable (DO NOT use a bladed knife).
To use the rotary blade tool, fit it around the outer cable sheaf and rotate the cutter
around the cable once or twice. The stripped outer section can then be removed.
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6.5.1.2 Cable Assembly
The cable should be assembled as shown in Figure 23:
6 Installation
Figure 23 -
Correct Cable Preparation for the Recommended Cable
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6 Installation
CAUTION
Check that the crimp tool matches the RJ45 connector being used.
Both ends of the ODU cable are terminated in the same way. The above procedure should be
repeated for the PIDU Plus end of the cable when the cable routing process is complete. This
assumes that the installation uses PTP LPUs. If not, then the PIDU Plus end of the cable
does not require a Gland, but just the RJ45.
NOTE
The PIDU Plus end of the cable does not employ a cable gland.
Figure 24 shows a completed ODU to PIDU Plus cable.
Figure 24 -
Completed ODU Connector
CAUTION
Do not over tighten the glands as the internal seal and structure may be damaged.
See Figure 25 for an example of an over tightened cable gland.
Figure 25 -
Correct and Incorrect Tightening of Cable Gland
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6.5.2 Making the Connections at the ODU
Looking at the back of the unit with the cable entry at the bottom, the PIDU Plus connection is
the first hole on the right (Figure 26) and is labeled “PIDU Plus +”.
Figure 26 –
ODU PIDU Plus Connexion
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6.5.3 Making the PIDU Plus Connection At The ODU
The procedure for connecting the PIDU Plus cable to the ODU is described in Figure 27. It is
often easier to carry out this procedure on the ground or a suitable surface prior to mounting
the ODU.
Ensure that no power is connected to the PIDU Plus or present on the cable before
connecting the ODU.
Figure 27 - Connecting the PIDU Plus to the ODU
Step 1: Assemble the cable as described in
6.5.1 above
Step 2: Insert the RJ45 connector making
sure that the locking tab snaps home
Step 3: Screw in the body of the weather
proofing gland and tighten
Should it be necessary to disconnect the PIDU Plus to ODU cable at the ODU, this can be
achieved by removing the weather proofing gland and depressing the RJ45 locking tab with a
small screwdriver as shown below.
Step 4: Screw on the clamping nut and tighten
(Do not over tighten – see Figure 25)
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Figure 28 - Disconnecting the ODU
CAUTION
To prevent damage to the ODU while making or breaking the connection, ensure that
power is removed from the system at the PIDU Plus.
6.5.4 Routing the Cable
After connecting the cable to the ODU it can be routed and secured using standard cable
routing and securing techniques. When the cable is in place it can then be cut to the desired
length at the PIDU Plus prior to connection to the PIDU Plus.
6.5.5 Fitting a Lightning Protection Unit
If you have opted to fit a Lightning Protection unit, this should be installed by following the
manufacturer’s instruction. For recommended types see Section 5 “Lightning Protection”.
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6.5.6 Grounding the Installation
The Outdoor Unit (ODU) must be properly grounded to protect against power surges. It is the
user’s responsibility to install the equipment in accordance with Section 810 of the National
Electric Code, ANSI/NFPA No.70-1984 or Section 54 of the National Electrical Code in the
country of installation. These codes describe correct installation procedures for grounding the
outdoor unit, mast, lead-in wire and discharge unit, size of grounding conductors and
connection requirements for grounding electrodes. It is recommended that installation of the
outdoor unit be contracted to a professional installer.
6.5.7 Making the ODU Connection at the PIDU Plus
The procedure for connecting the RJ45 from the ODU to the PIDU Plus is described in Figure
29. The ODU is connected to the PIDU Plus by means of a concealed RJ45 connector. The
RJ45 connection has been placed inside the PIDU Plus hinged cover to prevent the user from
inadvertently plugging other equipment into the ODU RJ45 socket.
CAUTION
Plugging other equipment into the ODU RJ45 socket may damage the equipment due
to the non-standard techniques employed to inject DC power into the 100BaseT
connection between the PIDU Plus and the ODU. Plugging the ODU into other
equipment may damage the ODU and/or the other equipment.
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Figure 29 - Connecting the ODU to the PIDU Plus
Step 1: Undo the retaining screw and hinge
back the cover.
Step 2: Plug in the ODU into the PIDU Plus Cable
ensuring that it snaps home.
Step 3: Replace the cover and secure with the retaining screw.
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6.5.8 Making the Network Connection at the PIDU Plus
The Network connection is made by connecting the user’s Network Equipment directly to the
PIDU Plus LAN port as shown in Figure 30.
Figure 30 -
Making the Network Connection at the PIDU Plus
6.5.9 Mounting the PIDU Plus
Motorola recommends that you mount the PIDU Plus on a wall or other suitable mounting
surface (but this is optional. This prevents the unit from being knocked or kicked and can help
maintain link availability. Ensure that the Recovery switch can be accessed when mounting
the unit.
The procedure for mounting the PIDU Plus is described in Figure 31.
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Figure 31 - Mounting the PIDU Plus
Step 1: Fix the PIDU Plus to the wall using the lugs provided.
Step 2: Make connections as per Section 6.5.7 “Making the ODU
nection at the PIDU Plus”
Con
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CAUTION
Do not dress the RJ45 cables too tightly, as this may make the connections
unreliable. Figure 32 shoes the correct and incorrect ways to dress RJ45 cables
n connected to the PIDU Plus.
whe
Figure 32 - Correct and Incorrect RJ45 Cable Dressing
CAUTION
The PIDU Plus is not waterproof and should be mounted away from sources of
moisture. If mounted outdoors, the unit should be mounted in a rain proof enclosure,
preferably ventilated.
It is also recommended that you fit a drip loop on the PIDU Plus to ODU cable to ensure that
any moisture that runs down the cable into the cabinet or enclosure cannot enter the PIDU
Plus. This is shown in Figure 33. The network connection and mains cable should be treated
in the sam
e way if there is a risk that they can carry moisture to the PIDU Plus.
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Figure 33 – PIDU Plus Drip Loop Configuration
CAUTION
It is possible for moisture to enter the cable due to damage to the outer protective
layer. This moisture can track down the inside of the cable, filling up the drip loop and
eventually finding its way into the PIDU Plus. To protect against this the outer
protective layer of the cable can be opened up at the bottom of the drip loop to allow
this moisture to escape.
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6.5.10 Powering Up
The PTP 500 Series Bridge is supplied as a pair of matched Master/Slave units. The Master
6 Installation
unit can now be powered up and accessed using the default URL http://169.254.1.2/
Slave unit can be accessed using http://169.254.1.1/
Prior to powering up the PTP 500 Series Bridge, a computer with web browsing capabilities
should be configured with an IP address of 169.254.n.n and subnet mask of 255.255.0.0
where n is any value between 1 and 254 but excluding 1.1 or 1.2. If the default addresses of
the unit 169.254.1.1/2 clashes with an address you are already using on your LAN, or you are
not sure, you should set up an isolated LAN. As the LAN connection presented at the PIDU
Plus has a default configuration as a hub/switch (and auto-sensing MDI/MDIX cross over is
employed), connection can be made directly to the computer using a standard CAT 5 patch
cable.
NOTE
It is possible that some units may not be accessed using the above default URL. This
is because these units may have been previously configured with IP addresses
10.10.10.11 (Master) and 10.10.10.10 (Slave). Therefore, users must use the URL
http://10.10.10.10/
ensure that a computer with web browsing capabilities is configured with an IP
address of 10.10.10.n, where n is any value between 2 and 254 but excluding 10 and
11, to configure these units.
and/or URL http://10.10.10.11/ to configure the units. Please
.
; the
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6.6 Establishing a Radio Link
The following is a description of the steps taken to establish a radio link between the two
units forming the bridge and align the units for the best signal strength.
6.6.1 Aligning the PTP 500 Series Bridge ODUs
The PTP 500 Series Bridge uses audible tones during installation to assist the installer with
alignment. The installer should adjust the alignment of the ODU in both azimuth and elevation
until highest pitch tone is achieved
The pitch of the alignment tone is proportional to the received power of the wireless signals.
The best results are usually achieved by making small incremental movement in angular
alignment.
The tones and their meanings are as follows:
.
Table 7 - Audio indications from the ODU
State Name Tone
Description
Free Channel
Search
Scanning Slow broken
Synchronized Fast broken
Registered Solid tone Both Master and Slave units
Alarm Fast broken
The term ‘wanted signal’ refers to that of the peer unit being installed.
Regular beep Executing band scan N/A
tone
tone
dual tone
State Description Pitch Indication (Higher
pitch = higher power)
Not demodulating the wanted
signal
Demodulating the wanted
signal
exchanging Radio layer MAC
management messages
A fatal error has occurred.
Rx Power
Rx Power
Rx Power
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In each of the states detailed above, the unit should be aligned to give the highest pitch tone.
It should be noted that if, when in the Synchronized or Registered state, the tone varies
wildly, you may be suffering from interference or a fast fading link. Installing in this situation
may not give a reliable link. The cause of the problem should be investigated.
For the ease of alignment, both Master and Slave units use the install tones in the same way
but with some small behavioral differences. This allows the installer to install the Slave unit
first and carry out the initial alignment with the Master unit if desired. However, due to the
behavioral differences of Master and Slave units, it is recommended that the Master unit is
installed first and the initial alignment carried out at the Slave unit.
Once the optimum performance has been achieved by directing the Slave unit (indicated by
highest frequency of tone) then adjustment of the direction of the Master unit should be done
without moving the Slave. Repeat if necessary at the Slave and then the Master until optimum
alignment has been obtained.
There is a graphical installation screen (section 7.7.7 “Graphical Install”) available using the
nterface that displays the state of the link during the alignment process (up = green,
web i
down = red).
6.6.2 Behaviour During Installation
The following behavior should be noted:
• Band scan: When first started up and from time to time, the Master unit will carry out a
band scan to determine which channels are not in use. During this time, between 10 and
15 seconds, the Master unit will not transmit and as a consequence of this neither will the
Slave unit. During this time the installation tone on the master unit will drop back to the
band scan state, and the Slave unit will drop back to the Scanning state with the pitch of
the tone set to the background noise level. Alignment of the unit should cease during this
time.
• Radar detection: If the unit is operating where mandatory radar avoidance algorithms
are implemented, the ranging behaviour for the bridge may be affected. The Master has
to monitor the initially chosen channel for 60 seconds to make sure it is clear of radar
signals before transmitting. If a radar is detected during any of the installation phases, a
further compulsory 60 seconds channel scan will take place as the master unit attempts
to locate a new channel that is free of radar interference.
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• Ranging: The PTP 500 Series does not require the user to enter the link range. The
Master unit typically takes less than 60 seconds to determine the length of the link being
installed. The Master unit will remain in the Scanning state until the range of the link has
been established. The Master unit will only move to the Synchronized state when the
range of the link has been established.
• Retrying same channel: If, at the end of the ranging period, the Registered state is not
achieved due to interference or other reasons, the Master unit will retry twice more on the
same channel before moving to another available channel. Should this occur it might take
a number of minutes to establish a link in the Registered state.
• Slave unit: The Slave unit does not have a ranging process. The slave unit will change to
the Synchronized state as soon as the wanted signal is demodulated.
6.6.3 DVM Alignment
It is possible to use the BNC connector on the PTP 500 Series ODU and a digital voltmeter
6 Installation
(DVM) to help with the alignment process. The BNC connector provides an analogue voltage
which is proportional to the receive signal strength. To use, remove the protective cap from
the case mounted BNC connector and connect a DVM. You may have to invert the pole for
correct reading. Figure 34 shows the relationship between measured values and the receive
al strength.
sign
Figure 34 - Using DVM For Alignment
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6.6.4 Adjust Power Settings
The transmit power levels of the installed units must be adjusted to ensure they are not too
high. Excessive power levels may cause saturation of the receivers or false radar detection
(in radar enabled regions), leading to degradation of link performance and link failure.
To adjust power levels, follow this procedure:
1. Consult the report generated by the LINKPlanner tool and note the Transmit power
recommended levels.
2. Set the local unit power equal to the “LOCAL - Max Transmit Power setting while
pointing” value from the LINKPlanner report.
3. Set the remote unit power equal to the “REMOTE - Max Transmit Power setting while
pointing” value from the LINKPlanner report.
4. Access each unit separately.
5. Align the units.
6. Repeat Step 2 and 3 using the values “LOCAL - Max Transmit Power setting before
disarm” and “REMOTE - Max Transmit Power setting before disarm” , if different
than the corresponding “while pointing” values.
7. Reboot the local unit then reboot the remote unit.
8. Disarm the units.
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6.6.5 Disarm on Completion
When the alignment process is complete, the installer MUST REMEMBER TO DISARM
BOTH UNITS in the link, as described in Section 7.7 “Installation Wizard”. This is necessary
in order to:
Turn off the audible alignment aid (section 7.7.6 “Disarm”)
•
Enable Adaptive Modulation
•
• Fully enable Advanced Spectrum Management with i-DFS
• Clear unwanted installation information from the various systems statistics
• Store the link range for fast link acquisition on link drop
• Enable higher data rates
NOTE
After 24 hours, the units will be disarmed automatically, provided that they are armed
and that the link is UP.
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7 Web Page Reference
7 Web Page Reference
This section describes the PTP 500 web user interface and provides instructions for
operators.
The following topics describe the menu navigation bar and main menu options:
• 7.1 Menu Navigation Bar
• 7.2 Home (System Summary)
• 7.3 System Status
• 7.4 System Administration
The follo
• 7.5 Configuration
• 7.6 Statistics
• 7.7 Installation Wizard
• 7.8 Software Upgrade
• 7.9 Spectrum Management
• 7.10 Remote Management
• 7.11 Diagnostics Plotter
• 7.12 Change Password
• 7.13 License Key
• 7.14 Properties
• 7.15 Reboot
wing topics describe the System Administration menu options:
NOTE
The web pages are best viewed using a screen resolution of at least 1024 x 768
pixels on a PC using Microsoft Internet Explorer Version 6 or 7.
The web pages have also been tested with Firefox 2.0.0.12. Other browsers have not
been tested.
7.1 Menu Navigation Bar
The navigation bar on the left hand side of the web page is used to move between the various
management pages. The currently selected page is always highlighted with a light blue
background. The menu is hierarchical. Selecting a menu item which has associated submenu
options will automatically display all sub options. A sample web page with the navigation
menu is shown in Figure 35.
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Figure 35 - Menu Navigation Bar
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The web user interface menu has three main options.
• Home: This presents to the operator a high level summary of the PTP 500 Series Bridge
point-to-point wireless link.
• Status: This presents a more detailed set of system parameters describing the
performance of the wireless link together with other key system performance metrics.
• System Administration: This section is password protected and allows the system
administrator to perform all the day-to-day administrative procedures, for example
software upgrade and configuration changes.
7.2 Home (System Summary)
The home page for the PTP 500 Series Bridge (Figure 36) displays a high level summary of
the status of the wireless link and associated equipment.
Figure 36 - System Summary Page
The home page normally displays four key system attributes:
Wireless Link Status
The Wireless Link Status attribute displays the current status of the PTP 500 Series Bridge
wireless link. A state of ‘Up’ on a green background indicates that a point-to-point link is
established. A state of ‘Down’ on a red background indicates that the wireless link is not
established. If the link is down for an unknown reason the system administrator should first
consult the status web page for a more detailed summary of up to date system diagnostics.
Link Name
The link name attribute is a name and/or handle allocated by the system administrator to aid
the identification of the unit, network or building.
Elapsed Time Indicator
The elapsed time indicator attribute presents the total time in days, hours, minutes and
seconds since the last system restart. The system can restart for several reasons, for
example, commanded reboot from the system reboot webpage, or a power cycle of the
equipment.
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System Clock
If SNTP (Simple Network Time Protocol) is enabled, or the clock has been set, then a system
clock attribute is displayed giving the date and time of the last page refresh. Section 7.10.8
“SNTP (Simple Network Time Protocol)” explai
“Setting the clock” explains how to set the clock.
7.2.1 Home Page Alarm Display
The home page is also used to display all outstanding major system alarms. Whenever
system alarms are asserted, a yellow warning triangle is displayed on web page navigation
bar. The warning triangle will be visible from all web pages. Clicking the warning triangle will
cause the web page to jump back to the system homepage. Figure 37 shows a sample alarm
en.
scre
Figure 37 - Alarm Warning Triangle
ns how to enable SNTP and Section 7.10.9
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7.2.2 System Alarms
The following system alarms are defined:
Ethernet Link Status
Current status of the Ethernet link. If there are any problems with the Ethernet interface, this
alarm will be asserted. This alarm will most likely be seen if the unit has no Ethernet cable
plugged into its Ethernet socket. Note that a change of state may generate an SNMP trap
and/or SMTP email alert.
Telecoms Channel Status
Indicates an alarm condition on the telecoms channel. Alarm conditions are listed in Table 8.
7 Web Page Reference
Table 8 – Tel
ecoms Channel Status Alarm Conditions
Alarm Condition Meaning
No Signal (Local)
There is no telecoms signal present at the
connection to the ODU at the local end.
No Signal (Remote)
There is an absence of telecoms data across the
wireless link.
No Signal (Local and
The above two alarm conditions occur concurrently.
Remote)
Remote Timing
There is insufficient wireless capacity available to
carry telecoms data. Under these conditions
telecoms timing information is still sent to keep the
telecoms clocks synchronized.
No Signal (Local) and
Indicates both no local signal and remote timing.
Remote Timing
In remote timing mode the ODU will transmit an Alarm Indication Signal (AIS), consisting of
all-ones, from the telecoms interface. A change of state may generate an SNMP trap and/or
SMTP email alert.
See section 7.7.3.1 “Telecoms Interface” for a description of the Telecoms Interface.
Telecoms Interfa
ce Loopback
The loopback status of the telecoms channel. This is intended for installation testing and
should be set to 'None' for normal operation. The wire connections to a unit can be tested by
applying a 'Copper' loopback to the local unit. The wireless connection to the remote unit can
be tested by applying a 'Wireless' loopback to the remote unit with no loopback on the local
unit.
A change of state may generate an SNMP trap and/or SMTP email alert. The loopback can
be disabled from the telecoms configuration sub menu (see Section 7.5.5 “Telecoms
uration”).
Config
See section 7.7.3.1 “Telecoms Interface” for a description of the Telecoms Interface.
Region Cod
e
The region code prohibits the wireless unit from operating outside the regulated limits. An
invalid region code indicates a corrupted license key. Note that a change of state may
generate an SNMP trap and/or SMTP email alert.
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Install Status
A non-OK value indicates that signaling was received with the wrong MAC address. Note that
it is very unusual to detect this, because units with wrongly configured Target MAC Address
will normally fail to establish a wireless link. However, rare circumstances may establish a
partial wireless link and detect this situation. A non-OK value on start-up, or a change of value
during operation, may generate an SNMP trap and/or SMTP email alert.
Install Arm State
This alarm warns when a wireless unit is in installation mode. After installation the wireless
unit should be disarmed. This will increase the wireless link’s data-carrying capacity and stop
the installation tone generator. The wireless link is disarmed from the ‘Installation Wizard’ see
Section 7.7.6 “Disarm”. A change of state may generate an SNMP trap and/or SMTP email
alert.
Unit Out Of
Calibration
The unit is out of calibration and must be returned to the factory using the RMA process for
re-calibration.
Encryption Enable Mismatch
Encryption has been enabled on one end of the wireless link but not the other. For more
information, see section 13 “AES Encryption”.
Incompatibl
e Region Codes
The PTP 500 Series Bridge uses region codes to comply with local regulatory requirements
governing the transmission of wireless signals in the frequency bands in which it operates.
Region codes can only be changed by obtaining a new PTP 500 Series license key. If this
alarm is encountered, the appropriate license keys from the country of operation should be
obtained from your distributor. Applying license keys containing the same region codes to
both ends of the link will remove the alarm. A change of state may generate an SNMP trap
and/or SMTP email alert.
No Wireless Channel Available
Spectrum Management was unable to locate a suitable wireless channel to operate on. Note
that a change of state may generate an SNMP trap and/or SMTP email alert.
Wireless Link Disable Warning
This warning is displayed if the Wireless link has been administratively disabled via the SNMP
Interface (see Section 7.10 “Remote Management”). The Wireless Interface MIB-II
ifAdminStatus attribute
has been set to DOWN. To enable the Ethernet interface, set the
ifAdminStatus attribute to UP. Note that a change of state may generate an SNMP trap and/or
SMTP email alert.
Ethernet Link Disable Warning
This warning is displayed if the Ethernet link has been administratively disabled via the SNMP
Interface (see section 7.10 “Remote Management”). The Ethernet Interface MIB-II
ifAdminStatus attribute
ifAdminStatus attribute to UP. Note that a change of state may generate an SNMP trap and/or
SMTP email alert.
Ethernet Configuration Mismatch Alarm
The detection of Ethernet fragments (runt packets) when the link is in full duplex is an
indication of an auto-negotiation or forced configuration mismatch. Note that a change of state
may generate an SNMP trap and/or SMTP email alert.
has been set to DOWN. To enable the Ethernet interface, set the
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Incompatible Master and Slave
A non-zero value indicates that the master and slave ends of the wireless link are different
hardware products, or have different software versions. Note that it is very unusual to detect
this because incompatible units will normally fail to establish a wireless link. However, some
combinations may establish a partial wireless link and detect this situation. Note that a nonzero value may generate an SNMP trap and/or SMTP email alert.
SNTP Synchronization failed
This warning indicates that SNTP has been enabled but that the unit is unable to synchronize
with the specified SNTP server. Section 7.10.8 “SNTP (Simple Network Time Protocol)”
explain
s how to configure SNTP. Note that a change of state may generate an SNMP trap
and/or SMTP email alert.
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7.3 System Status
The status page (Figure 38) gives the system administrator a detailed view of the operation of
the PTP 500 Series Bridge from both the wireless and network perspectives.
7 Web Page Reference
Figure 38 - Status Page
The page is subdivided into four categories:
• Equipment: This contains the unit’s inventory and identification information.
• Wireless: This presents the key wireless metrics, which are displayed as a series of
measurements.
• Ethernet/Internet: This describes the unit’s network identity and connectivity.
• Telecoms: This describes the unit’s E1/T1 telecoms interface parameters.
The status page can be configured to refresh itself at an operator defined rate (if the user is
logged in as system administrator). The refresh period defaults to 3600 seconds and can
easily be changed to refresh at any period between 2 seconds and 3600 seconds. Pressing
the ‘Update Page Refresh Period’ button causes a new page refresh period to be adopted by
the system. The page refresh mechanism uses a HTML Meta refresh command. Therefore
the refresh is always initiated by the local browser and not by the PTP 500 Series Bridge at
this interval.
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The two PTP 500 Series bridges units are arranged in a master and slave relationship. The
roles of the units in this relationship are displayed in the page title. The master unit will always
have the title ‘- Master’, and the slave will always have ‘- Slave’ appended to the ‘Systems
Status’ page title.
The following attributes are displayed on the status page
:
Link Name
The link name is allocated by the system administrator and is used to identify the equipment
on the network. The link name attribute is limited to a maximum size of 63 ASCII characters.
Link Location
The link location is allocated by the system administrator and can be used as a generic
scratch pad to describe the location of the equipment or any other equipment related notes.
The link location attribute is limited to a maximum size of 63 ASCII characters.
Software Version
The attribute describes the version of software installed on the equipment. The format of the
attributes is FFSSS-XX-YY where FF is the frequency variant (5.4 or 5.8 GHz), SSS is the
System Release, XX is the major release version and YY is the minor release version.
Hardware Version
The hardware version attribute contains all the combined hardware version information. The
attribute is formatted as DXX-RAA.BB-Z where DXX contain the version of the digital card, AA
is the major hardware version number, BB is the minor hardware version number and Z
describes the antenna type which can be I (integrated) or C (connectorized).
Region Code
The region code is used by the system to constrain the wireless to operate within regulatory
regime of the particular country. The region code is encoded in the product license key. If the
operator wishes to change region code, a new license key must be obtained from Motorola or
the local point-to-point distributor / system integrator.
Elapsed Time Indicator
The elapsed time indicator attribute presents the total time in years, days, hours, minutes and
seconds since the last system restart. The system can restart for several reasons, for
example commanded reboot from the system reboot web page, or a power cycle of the
equipment.
Ethernet Link Status:
Current status of the Ethernet link. A state of ‘Up’ with a green background indicates that an
Ethernet link is established. A state of ‘Down’ with a red background indicates that the
Ethernet link is not established.
Ethernet Speed and Duplex
The negotiated speed and duplex setting of the Ethernet interface. The speed setting is
specified in Mbps.
Full Duplex data transmission means that data can be transmitted in both directions on a
signal carrier at the same time. For example, on a local area network with a technology that
has full duplex transmission; one workstation can be sending data on the line while another
workstation is receiving data.
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Half Duplex data transmission means that data can be transmitted in both directions on a
signal carrier, but not at the same time. For example, on a local area network using a
technology that has half duplex transmission, one workstation can send data on the line and
then immediately receive data on the line from the same direction in which data was just
transmitted.
MAC Address
MAC address of the unit.
Remote MAC Address
MAC address of the remote unit.
Remote IP Address
Hyperlink to the other side of the Link. The IP address of the peer link is displayed if the Link
is UP, otherwise “unavailable” is displayed.
Telecoms Status
Indicates the current status of the telecoms channel. Channels which are disabled during
installation are marked as such. Correctly operating channels display "Up" on a green
background, but alarm conditions (described in Section 7.2.1 “Home Page Alarm Display”)
have a re
d background.
Telecoms Latency
If E1 or T1 is enabled, this shows the end-to-end latency of the telecoms link.
Automatic Page Refresh Period in Seconds
Only displayed when the user is logged on as system administrator. Enter the required refresh
period.
Wireless Link Status
As the attribute name suggests it displays the current status of the wireless link. A state of
‘Up’ on a green background indicates that a point-to-point link is established. A state of ‘Down’
on a red background indicates that the wireless link is not established.
Maximum Transmit Power
The maximum transmit power that the local wireless unit is permitted to use to sustain a link.
Remote Maximum Transmit Power
The maximum transmit power that the remote wireless unit is permitted to use to sustain a
link.
Transmit Power
Transmit power histogram is expressed in dBm and presented as: max, mean, min, and
latest. The max, min and latest are true instantaneous measurements; the mean is the mean
of a set of one second means. The Transmit Power may be less than the maximum permitted
Transmit Power due to the TPC (Transmit Power Control) mechanism. This mechanism
adjusts Transmit Power to achieve best link performance while minimizing the interference it
causes to other users of this part of the Spectrum. See Section 7.3.1 “Histogram Data”.
Rec
eive Power
Receive power histogram is expressed in dBm and presented as: max, mean, min, and latest.
The max, min and latest are true instantaneous measurements; the mean is the mean of a set
of one second means. See Section 7.3.1 “Histogram Data”.
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