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Microwave networks CM7 User Manual (312 pages)

100Base-T Digital Microwave Radio

Brand: Microwave networks | Category: Radio | Size: 5 MB

Chapter 1-General Information

3
Chapter 2-Principles Of Operation

45
- Transmit Function
  45
- Receive Function
  46
- RF Modules
  47
- Signal Processing
  49
- RF Equipment Configurations
  51
- Protection Switching
  54
  - Automatic and Manual
    54
    
    A Typical SYNDES Module Failure
    54
  - Hot-Standby Switching
    54
  - Transmit Switching
    55
    
    Figure 2-7. Monitored Hot Standby Switching Diagram
    55
    
    Transmit SCU Switch
    55
    
    Transmit SYNDES-MUX Switch
    55
    
    Transmit TXU-MOD Switch
    55
    
    Switching Transmit Paths Manually
    56
    
    Transmit WTU Switch
    56
  - Receive Switching
    56
    
    Receiver RXU-DEMOD Switch
    56
    
    Receiver SYNDES-MUX Switch Level
    56
    
    Receive WTU Switch
    57
    
    Receiver SCU Switch
    57
  - Diversity Switching
    57
  - Loopbacks
    58
    
    Figure 2-8. Radio Loopback Levels
    58
    
    Performing RF Local Loopback
    59
    
    Setting Loopback
    59
    
    Figure 2-9. RF and if Loopback Setup
    60
    
    Performing if Local Loopback
    60
    
    Performing SCU Loopback
    60
    
    Performing SYNDES Loopback
    60
    
    Performing WTU Loopback
    60
  - Adaptive Power Control
    61
Chapter 3-Module Descriptions

63
- Introduction
  63
- Table 3-A. CM7/8 100Base-T Modules
  63
- Chapter 3-Module Descriptions
  64
- Access Panel
  65
Section 3-1-Radio Cabinet

65
Section 3-2-RF Distribution

77
Transmitter Unit (TXU)

83
- Figure 3-3-2. TXU Block Diagram
  84
- Functional Description
  84
- Table 3-3-B. Tx/Rx Spacing Options
  84
- Figure 3-3-3. Transmitter Features
  85
- TX Features
  85
- Setting TXU Boards
  86
- Section 3-4-Receiver Unit (RXU)
  
  89
- Section 3-5-RF Power Supply Unit (RF PSU)
  
  93
- Section 3-6-SP Power Supply Unit (SP PSU)
  
  97
  - Introduction
    97
  - Figure 3-6-2. SP PSU Block Diagram
    98
  - Functional Description
    98
  - Figure 3-6-3. SP PSU Features
    99
  - SP Power Supply Features
    99
  - General Information
    101
    
    Figure 3-7-1. Alarm and Control Unit
    101
- Section 3-7-Alarm and Control Unit (ACU)
  
  101
  - Introduction
    101
  - Figure 3-7-2. ACU Block Diagram
    102
  - Functional Description
    102
  - ACU Features
    103
  - Figure 3-7-3. ACU Features
    103
  - Setting the ACU Board
    103
  - Table 3-7-A. ACU Jumper Settings
    104
  - Table 3-7-B. ACU DIP Switch Settings
    105
  - General Information
    107
    
    Figure 3-8-1. Modulator
    107
Section 3-8-Modulator (MOD)

107
- Introduction
  107
- Figure 3-8-2. MOD Block Diagram
  108
- Functional Description
  108
- Figure 3-8-3. MOD Features
  109
- MOD Features
  109
- Figure 3-8-4. MOD Board Jumper Locations
  110
- Setting the MOD Board
  110
- Table 3-8-A. MOD Jumper Settings
  110
- General Information
  111
  - Figure 3-9-1. Typical Demodulator
    111
Section 3-9-Demodulator (DEMOD)

111
- Introduction
  111
- Figure 3-9-2. DEMOD Block Diagram
  112
- Functional Description
  112
- DEMOD Features
  113
- Figure 3-9-3. DEMOD Features
  113
- Figure 3-9-4. DEMOD Board Jumper Locations
  114
- Setting the DEMOD Board
  114
- Table 3-9-A. DEMOD Board Default Settings
  114
- General Information
  115
  - Figure 3-10-1. Typical Multiplexer
    115
Section 3-10-Multiplexer (MUX)

115
- Introduction
  115
- Figure 3-10-2. MUX Operations Block Diagram
  116
- Functional Description
  116
- Figure 3-10-3. MUX Features
  117
- MUX Features
  117
- Figure 3-10-4. MUX Jumper Locations
  118
- Setting the MUX Board
  118
- Table 3-10-A. MUX Jumper Settings
  118
- General Information
  119
  - Figure 3-11-1. Typical SYNDES Module
    119
Section 3-11-Synchronizer/Desynchronizer (SYNDES)

119
- Introduction
  119
- Functional Description
  120
  - Transmit
    120
  - Receive
    120
  - Figure 3-11-2. SYNDES Block Diagram
    121
- Figure 3-11-3. SYNDES Feature
  122
- SYNDES Features
  122
- Figure 3-11-4. Switch Locations for SYNDES Module
  123
- Setting the SYNDES Board
  123
- Table 3-11-A. S2-10/100Base-T Interface Mode Setting
  123
- Figure 3-12-1. Service Channel Unit
  125
- General Information
  125
- Introduction
  125
Section 3-12-Service Channel Unit (SCU)

125
- Figure 3-12-2. SCU Block Diagram
  126
- Functional Description
  126
- Figure 3-12-3. SCU Features
  127
- SCU Features
  127
- Figure 3-12-4. SCU Jumper Locations and Dip Switch Settings
  128
- Setting the SCU Board
  128
- Table 3-12-A. SCU Jumper Settings
  128
- Table 3-12-B. SCU S1 and S2 DIP-Switch Settings for Digital Channels
  129
- Figure 3-13-1. Orderwire Unit
  131
- General Information
  131
- Introduction
  131
Section 3-13-Orderwire Unit (OWU)

131
- Functional Description
  132
- Figure 3-13-2. Orderwire Unit Block Diagram
  133
- OWU Features
  134
  - Orderwire Handset
    134
  - Figure 3-13-3. OWU Features
    134
  - Figure 3-13-4. Handset Features
    134
- Figure 3-13-5. OWU Jumper and Switch Locations
  135
- Setting the OWU Board
  135
- Table 3-13-A. OWU Jumper Settings
  135
- Table 3-13-B. OWU Switch Settings
  136
- Configuring the Orderwire, Service Channel, and Bridge
  137
- Figure 3-13-6. Orderwire with SCU-Dual Narrow Band VF
  137
- Figure 3-13-7. Orderwire with SCU-Single Wideband VF
  137
- Figure 3-14-1. Wayside Traffic Unit
  139
- General Information
  139
- Introduction
  139
Section 3-14-Wayside Traffic Unit (WTU)

139
Section 3-15-Network Management Unit (NMU)

145
- Figure 3-15-1. Network Management Unit Block Diagram
  147
- Configuring the P4 NMU
  148
  - Jumper Settings
    148
  - Figure 3-15-2. Jumpers on the Network Management Unit (NMU)
    148
  - Table 3-15-A. NMU Jumper Settings
    148
  - DIP Switches
    149
  - Figure 3-15-3. DIP Switch S1 Values
    149
  - Table 3-15-B. NMU Switch S1 Settings
    149
  - Table 3-15-C. NMU Switch S2 Settings
    149
Chapter 4-Equipment Installation

151
- Introduction
  151
- Preparing the Installation
  151
  - Preparing the Site
    151
  - Figure 4-1. Typical 19-Inch Telco Rack
    152
  - Figure 4-2. Floor Mounting
    153
  - Figure 4-3. Overhead Rack Support
    153
  - Unpacking Equipment
    154
- Installing the Equipment Rack
  154
  - Table 4-A. CM Radio Accessory Kit (MLN7730)
    154
  - Figure 4-4. DC Power Connections
    155
  - Figure 4-5. Power Connection for Dual Battery Source
    155
  - Figure 4-7. Rack Ground Wiring
    156
  - Grounding the Rack
    156
  - DC Power Cables
    157
  - Figure 4-8. Improper Ground Connection
    157
  - Table 4-B. Recommended Minimum Wire Gauge Size
    157
  - Verifying DC Cabling
    157
- Cabling the Access Panel
  158
- Figure 4-9. Connections on the Access Panels
  158
- Signal Wiring
  159
- Table 4-C. DS1 Connector Pinning
  159
- Table 4-D. 10/100Base-T Port
  159
- Table 4-E. DS3 and 155-Mbit Connections
  160
- Table 4-F. DB15 TTL Interface Connections
  161
- Table 4-G. DB25 Alarm/Control Relay Connections
  161
- Table 4-H. Modular (RJ11) Interface Connections
  162
- Table 4-I. Network Port Connections
  163
- Figure 4-10. Network Bridge Connections; Radios and Telescan
  164
- Connecting Monitoring Devices
  165
- Connecting Antennas
  171
- Figure 4-15. Antenna Port Connections for NN or HH Radios
  171
- Figure 4-16. Antenna Port Connections for Space Diversity Radio
  172
- Inspecting the System
  173
Chapter 5-System Verification

173
- Introduction
  173
- Radio Configuration
  173
- Table 5-A. SP Module Requirements
  174
- Table 5-B. RF Module Requirements (Numbers Denote Quantities)
  174
- Figure 5-1. SP HH Configuration
  175
- Figure 5-2. RF HH Configuration
  175
- Figure 5-3. SP HS Configuration
  176
- Figure 5-4. RF HS Configuration
  176
- Figure 5-5. SP NS Configuration
  177
- Figure 5-6. RF NS Configuration
  177
- Figure 5-7. SP NN Configuration
  178
- Figure 5-8. RF NN Configuration
  178
- Figure 5-9. if and RF Cabling
  179
- IF Cabling
  179
- RF Cabling
  179
- Verifying Operation
  180
  - DC Voltages
    180
  - System Configuration
    180
  - SP Operation
    180
  - Table 5-C. Fuse Ratings
    180
  - Modulator Frequency
    181
  - LO Frequency
    181
  - TX Carrier/Rx lo
    181
  - Output Power
    181
  - Leds
    182
  - Data Link
    182
  - Ethernet Link
    182
  - Throughput
    182
  - Latency
    182
  - Service Channel
    182
  - Receive Threshold
    183
  - Tx Fade Margin
    184
  - Record RSL/AGC
    185
- Commissioning the Radio
  187
- Recommended Test Equipment
  188
- Table 5-D. Recommended Test Equipment
  188
- Table 5-E. Test Equipment Electrical and Functional Specifications
  188
- Table 5-F. Voltage and Alarm Checks
  190
- Table 5-G. Frequency, Transmitter Power, and Monitor Checks
  190
- Test Tables
  190
- Table 5-H. RSL, AGC, and System Gain
  191
- Table 5-I. AGC Readings
  191
- Calling for Service
  193
Chapter 6-Maintenance

193
- Introduction
  193
- Repair/Exchange Service
  193
- Recommended Test Equipment
  195
- Technical Support
  195
- Maintenance Procedures
  196
  - Transmitter Tests
    196
  - DC Voltage Tests
    197
  - Table 6-C. Fuse Ratings
    197
- Troubleshooting Procedures
  198
  - Checking Leds
    198
  - Checking the ACU
    199
    
    Checking LMT Alarms
    199
    
    Table 6-D. Troubleshooting Flow Chart Matrix
    199
    
    Checking Alarm Logs
    200
    
    Viewing Statistics
    200
  - Field Changes
    201
    
    Change lo Frequency
    201
    
    Changing Configuration
    201
    
    Changing lo Frequency
    201
    
    Check lo Frequency
    201
    
    Adding a NMU
    202
    
    Adding a SCU/WTU/OWU
    202
    
    Figure 6-1. TXU Bandpass Filter Location
    203
    
    Replacing RF Modules
    203
    
    Replacing the TXU
    203
    
    Replacing SP Modules
    204
    
    Replacing the RXU
    204
  - Troubleshooting Charts
    205
Site Engineering

225
Site Engineering

226
Appendix A-T/I Curves

227
Appendix B-Quiklink Screens

231
- Introduction
  231
- Verifying the ACU Software Version
  231
  - Software Revision
    231
- Screen Layout
  232
  - Selecting Screens
    232
  - Aborting Changes
    232
  - Navigating Screens
    232
  - Figure B-1. Screen 002 - Main Menu
    232
  - Table B-A. Keyboard/Keypad Functions
    233
  - Table B-B. Local Access Port Codes
    233
- Index of Screens
  234
- Local Maintenance Screens
  239
- Table B-D. Radio Frequency and Capacity
  240
Appendix F-CM SNMP

269
Index

309

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Radio

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Microwave networks CM7 Manuals

Microwave networks CM7 User Manual (312 pages)

Table of Contents

Chapter 1-General Information

Chapter 2-Principles Of Operation

Chapter 3-Module Descriptions

Section 3-1-Radio Cabinet

Section 3-2-RF Distribution

Transmitter Unit (TXU)

Section 3-4-Receiver Unit (RXU)

Section 3-5-RF Power Supply Unit (RF PSU)

Section 3-6-SP Power Supply Unit (SP PSU)

Section 3-7-Alarm and Control Unit (ACU)

Section 3-8-Modulator (MOD)

Section 3-9-Demodulator (DEMOD)

Section 3-10-Multiplexer (MUX)

Section 3-11-Synchronizer/Desynchronizer (SYNDES)

Section 3-12-Service Channel Unit (SCU)

Section 3-13-Orderwire Unit (OWU)

Section 3-14-Wayside Traffic Unit (WTU)

Section 3-15-Network Management Unit (NMU)

Chapter 4-Equipment Installation

Chapter 5-System Verification

Chapter 6-Maintenance

Site Engineering

Site Engineering

Appendix A-T/I Curves

Appendix B-Quiklink Screens

Appendix F-CM SNMP

Index

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