Motorola GTR 8000 Manual page 11

5.9.5.5.1 How To Tune UHF Duplexer Low Notch Loop Assemblies ........................................... 5-29
5.9.5.6 Verifying UHF Duplexer Insertion Loss .............................................................................. 5-29
5.9.5.6.1 How To Verify UHF Duplexer Insertion Loss.............................................................. 5-31
5.9.5.7 Verifying UHF Duplexer Isolation...................................................................................... 5-31
5.9.5.7.1 How To Verify UHF Duplexer Isolation ..................................................................... 5-33
5.9.5.8 UHF Duplexer Post Tuning Checks .................................................................................... 5-33
5.10 Testing the GTR 8000 Base Radio/GPW 8000 Receiver Performance with a Service Monitor for Integrated
Voice and Data ......................................................................................................................... 5-33
5.10.1 Deviation Standards (Digital Operation) ................................................................................... 5-34
5.10.2 Monitoring the Power Supply Module...................................................................................... 5-35
5.10.3 Verifying Receiver Performance (Digital Operation) ................................................................... 5-35
5.10.4 Verifying Receiver Performance (Analog Operation) .................................................................. 5-38
5.10.5 Checking Receiver Sensitivity (Self-test Method) (IV and D) ....................................................... 5-39
5.10.6 Monitoring the Transmitter Metering Points .............................................................................. 5-40
5.10.7 Verifying Transmitter Performance (Digital Operation) ............................................................... 5-41
5.10.8 Verifying Transmitter Performance (Analog Operation)............................................................... 5-43
5.11 Testing the GTR 8000 Base Radio Performance with a Service Monitor for HPD ...................................... 5-45
5.11.1 Setting Up the HPD Service Monitor for Testing the Base Radio ................................................... 5-46
5.11.2 Performing In-band Power Meter User Calibration ..................................................................... 5-48
5.11.3 Measuring HPD BR Tx Power, Frequency Accuracy and Tx EVM ................................................ 5-49
5.11.4 Measuring HPD BR Rx Sensitivity and Rx BER ........................................................................ 5-52
5.11.5 Checking Receiver Sensitivity (Self-test Method) (HPD) ............................................................. 5-57
6 GTR 8000 Base Radio Maintenance .............................................................................................................. 6-1
6.1 Fan Grill Cleaning Instructions............................................................................................................ 6-1
6.2 Aligning the Internal Frequency Reference Oscillator .............................................................................. 6-1
7 GTR 8000 Base Radio Operation .................................................................................................................. 7-1
7.1 Base Radio Operational States for Trunked Simulcast .............................................................................. 7-1
7.2 Base Radio Operational States for Trunked Repeater and HPD .................................................................. 7-1
7.3 Base Radio Operational States for Conventional ..................................................................................... 7-2
7.3.1 Packet Data interactions with Multiple NAC's............................................................................... 7-2
7.3.2 Supplementary Signaling interactions with Multiple NAC's............................................................. 7-2
7.4 Illegal Carrier Determination Feature (Trunked) ..................................................................................... 7-3
7.5 RF Channel Interference Determination Feature (Conventional) ................................................................ 7-3
8 GTR 8000 Base Radio Troubleshooting ......................................................................................................... 8-1
8.1 General Troubleshooting .................................................................................................................... 8-1
8.2 Troubleshooting Tools ....................................................................................................................... 8-4
8.2.1 Using Unified Event Manager to Monitor Links and Components ..................................................... 8-4
8.2.1.1 Analyzing Unified Event Manager Active Alarm Window ........................................................ 8-4
8.2.1.2 Diagnostic Options in UEM ................................................................................................ 8-5
8.2.2 MOSCAD Network Fault Management ....................................................................................... 8-5
8.2.3 Using Unified Network Configurator for Troubleshooting................................................................ 8-6
8.2.4 Using Configuration/Service Software (CSS) for GTR 8000 Base Radio Troubleshooting ..................... 8-6
8.2.4.1 Alarm Log from Internal Diagnostic Tests ............................................................................. 8-6
8.2.4.2 Resetting Passwords and SNMPv3 Passphrases ...................................................................... 8-6
8.3 Site Controller Failure - Impact on GTR 8000 Base Radio for Trunked Operation......................................... 8-7
8.4 Conventional Site Controller Failure - Impact on GTR 8000 for Conventional Operation................................ 8-7
8.5 Using Motorola System Support Center (SSC) ....................................................................................... 8-8
8.5.1 Gathering Information Before Calling Motorola ............................................................................ 8-8
8.5.2 Where to Call for Service .......................................................................................................... 8-8
8.5.2.1 Motorola System Support Center (SSC) ................................................................................ 8-8
8.5.3 Use of Subcontractors............................................................................................................... 8-9
9 GTR 8000 Base Radio FRU Procedures ......................................................................................................... 9-1
9.1 Field Replaceable Units (FRUs) and Parts ............................................................................................. 9-1
9.2 Replacing a Radio Transceiver Module ................................................................................................. 9-4
9.2.1 How To Replace a Transceiver Module ........................................................................................ 9-5
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