Motorola ASTRO 25 GTR 8000 - Figure 27: Antenna Relay Module Mounted on Backplane Cover

Motorola ASTRO 25 GTR 8000

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Figure 27: Antenna Relay Module Mounted on Backplane Cover

On base radios equipped with the peripheral tray, the antenna relay is mounted on the peripheral tray.

MN003286A01-E

Chapter 2: GTR 8000 Base Radio Theory of Operation

78

Table of Contents

Declaration of Conformity2
Copyrights3
Contact Us4
Document History5
- Table of Contents7
List of Figures16
List of Tables20
List of Processes23
List of Procedures24
About GTR 8000 Base Radio27
- What Is Covered in this Manual27
- Helpful Background Information27
- Related Information28
Chapter 1: GTR 8000 Base Radio Description29
- Introduction29
- Figure 1: GTR 8000 Base Radio29
- GTR 8000 Base Radio Components30
- Supported System Configurations30
- Overview for a GTR 8000 Base Radio in a Trunked IP Simulcast Subsystem31
- Overview for a GTR 8000 Base Radio in an ASTRO 25 Repeater Site31
- Overview for a GTR 8000 Base Radio in a Trunked Single-Site Repeater Configuration32
- Overview for a GTR 8000 Base Radio in a High Performance Data (HPD) Subsystem34
- Overview for a GTR 8000 Base Radio in Conventional Architectures35
- Overview of a GTR 8000 Base Radio in a Trunked 3600 System38
- Power Efficiency Package38
- License Auditing39
- Table 2: Standby Power Consumption39
- GTR 8000 Base Radio Specifications40
Chapter 2: GTR 8000 Base Radio Theory of Operation61
- Functions of the GTR 8000 Base Radio Modules61
- Backplanes and Card Cages70
- Figure 15: Power Supply Connections (Rear)70
- Table 31: Power Supply Module Backplane Connections70
- RFDS Modules71
Chapter 3: GTR 8000 Base Radio Installation82
- Pre-Installation Tasks82
  - Equipment Installation Process Overview82
- General Safety Precautions83
- General Installation Standards and Guidelines86
- GTR 8000 Base Radio Hardware Installation94
  - Placement and Spacing94
  - Cabinet Version of the GTR 8000 Base Radio94
- Lifting Cabinets Vertically97
Chapter 4: GTR 8000 Base Radio Configuration132
- Configuration Software132
- Discovering a Device in the UNC132
- Security/Authentication Services133
- Figure 53: Snmpv3 Security Level Option Prompt133
- Device Configuration in CSS134
  - CSS Initial Device Configuration134
  - Figure 54: CSS Login Banner134
- Setting the BR/CM Pairing Number in CSS134
- Changing Snmpv3 Configuration and User Credentials in CSS134
  - Connecting through a Serial Port Link135
- Setting CSS Configuration Parameters for the GTR 8000 Base Radio (Trunked Simulcast)135
- Setting CSS Configuration Parameters for the GTR 8000 Base Radio (Trunked Repeater)135
- Setting CSS Configuration Parameters for the GTR 8000 Base Radio (HPD)135
- Setting CSS Configuration Parameters for the GTR 8000 Base Radio (Conventional)135
  - Figure 55: CSS Login Banner136
  - Serial Connection Configurations137
    - Pairing to a Comparator137
    - Setting the Device IP Address and Pairing Number in CSS137
- Connecting through a Serial Port Link137
  - Serial Security Services in CSS138
- Setting the Serial Security Services in CSS138
- Adding or Modifying an Snmpv3 User in CSS146
- Performing an Snmpv3 Connection Verification in CSS146
- Setting RMC System Gain150
Chapter 5: GTR 8000 Base Radio Optimization156
- Aligning the Internal Frequency Reference Oscillator156
  - GTR 8000 Base Radio Time and Frequency Inputs157
  - Table 46: Time and Frequency Inputs157
- Battery Equalization158
- ASTRO Simulcast Alignment (Trunked Operation)158
- Astro/Analog Simulcast Alignment (Conventional Operation)158
- Carrier Squelch Alignment158
- Tx Wireline Alignment159
- Rx Wireline Alignment159
- Transmitter Testing159
- Tuning a Preselector159
  - VHF Tuning Procedures160
    - Calculating Proper VHF Alignment Frequency160
- Calculating the VHF Alignment Frequency for a Single Receive Frequency160
- Calculating the VHF Alignment Frequency for Multiple Receive Frequencies160
- Preparing the Equipment for VHF Alignment160
- Tuning the VHF Preselector160
  - Preparing the Equipment for VHF Alignment161
  - Tuning the VHF Preselector161
  - UHF Tuning Procedures162
  - Figure 59: Preselector Tuning - VHF162
- Preparing the Equipment for UHF Alignment162
- Tuning the UHF Preselector162
  - Calculating Proper UHF Alignment Frequency163
- Calculating the UHF Alignment Frequency for a Single Receive Frequency163
- Calculating the UHF Alignment Frequency for Multiple Receive Frequencies163
  - Preparing the Equipment for UHF Alignment164
  - Tuning the UHF Preselector164
  - Figure 60: Preselector Tuning - UHF164
- Tuning a Duplexer165
  - Field Tuning Overview165
  - Required Test Equipment165
  - Tuning a 700/800 Mhz Duplexer166
  - Tuning a VHF Duplexer166
    - VHF Duplexer Tuning Setup166
    - Figure 61: VHF Duplexer Tuning Setup167
- Setting up for VHF Duplexer Tuning167
  - VHF Duplexer Low Pass Resonators Tuning Set up168
  - Figure 62: Test Equipment Set up for Tuning VHF Duplexer Low Pass Resonator168
- Tuning VHF Duplexer Low Pass Resonators168
  - VHF Duplexer High Pass Resonators Tuning Set up169
  - Figure 63: Test Equipment Set up for Tuning VHF Duplexer High Pass Resonator169
- Tuning VHF Duplexer High Pass Resonators169
  - VHF Duplexer High Notch Loop Assemblies Tuning Set up170
  - Figure 64: Test Equipment Set up for Tuning VHF Duplexer High Notch Loop Assemblies170
- Tuning VHF Duplexer High Notch Loop Assemblies170
  - VHF Duplexer Low Notch Loop Assemblies Tuning Set up171
  - Figure 65: Test Equipment Set up for Tuning VHF Duplexer Low Notch Loop Assemblies171
- Tuning VHF Duplexer Low Notch Loop Assemblies171
  - VHF Duplexer Insertion Loss Verification Set up172
  - Figure 66: Verifying VHF Duplexer Insertion Loss - Connecting Test Equipment172
  - Figure 67: Verifying VHF Duplexer Insertion Loss - Connecting Duplexer Cable Assembly173
- Verifying VHF Duplexer Insertion Loss173
  - VHF Duplexer Isolation Verification Set up174
  - Figure 68: Verifying VHF Duplexer Isolation - Connecting Test Equipment174
  - Figure 69: Verifying VHF Duplexer Isolation - Connecting Duplexer Cable Assembly175
- Verifying VHF Duplexer Isolation175
  - Checking VHF Duplexer after Tuning176
  - Tuning a UHF Duplexer176
    - Figure 70: UHF Duplexer Tuning Setup176
    - UHF Duplexer Tuning Set up176
- Setting up for UHF Duplexer Tuning176
  - UHF Duplexer Low Pass Resonators Tuning Set up177
  - Figure 71: Test Equipment Set up for Tuning UHF Duplexer Low Pass Resonator177
- Tuning UHF Duplexer Low Pass Resonators177
  - UHF Duplexer High Pass Resonators Tuning Set up178
  - Figure 72: Test Equipment Set up for Tuning UHF Duplexer High Pass Resonator178
- Tuning UHF Duplexer High Pass Resonators178
  - UHF Duplexer High Notch Loop Assemblies Tuning Set up179
  - Figure 73: Test Equipment Set up for Tuning UHF Duplexer High Notch Loop Assemblies179
- Tuning UHF Duplexer High Notch Loop Assemblies179
  - UHF Duplexer Low Notch Loop Assemblies Tuning Set up180
  - Figure 74: Test Equipment Set up for Tuning UHF Duplexer Low Notch Loop Assemblies180
- Tuning UHF Duplexer Low Notch Loop Assemblies180
  - UHF Duplexer Insertion Loss Verification Set up181
  - Figure 75: Verifying UHF Duplexer Insertion Loss - Connecting Test Equipment181
  - Figure 76: Verify UHF Duplexer Insertion Loss - Connecting Duplexer Cable Assembly181
  - UHF Duplexer Isolation Verification Set up182
  - Figure 77: Verifying UHF Duplexer Isolation - Connecting Test Equipment182
- Verifying UHF Duplexer Insertion Loss182
- Figure 78: Verifying UHF Duplexer Isolation - Connecting Duplexer Cable Assembly183
- Verifying UHF Duplexer Isolation183
  - Checking UHF Duplexer after Tuning184
- Testing the GTR 8000 Base Radio Performance with a Service Monitor for Integrated Voice and Data184
  - Deviation Standards (Digital Operation)184
  - Table 47: Deviation Standards for ASTRO 25 System Test Patterns184
- Monitoring the Power Supply Module184
- Verifying Receiver Performance for FDMA Operation184
- Verifying Receiver Performance (Analog Operation)184
- Checking Receiver Sensitivity (Self-Test Method) (IV and D)184
- Monitoring the Transmitter Metering Points184
- Verifying Transmitter Performance (Digital Operation)184
  - Monitoring the Power Supply Module185
  - Verifying Receiver Performance for FDMA Operation185
  - Figure 79: Metering Screen Window185
  - Verifying Receiver Performance in TTA Operation187
    - Effective Receiver Sensitivity190
  - Verify Receiver Performance for APCO TDMA Operation190
  - Verifying Receiver Performance (Analog Operation)190
- Verifying Receiver Performance in TTA Operation190
  - Checking Receiver Sensitivity (Self-Test Method) (IV and D)192
  - Monitoring the Transmitter Metering Points193
  - Verifying Transmitter Performance (Digital Operation)193
  - Verifying Transmitter Performance (Analog Operation)195
  - Figure 80: Configuration for Modulation Fidelity Measurement (Aeroflex 2975 Series Service Monitor or Equivalent Analyzer)195
  - Testing the GTR 8000 Base Radio Performance with a Service Monitor for HPD197
- Measuring HPD Base Radio Tx Power, Frequency Accuracy, and Tx EVM198
- Measuring HPD Base Radio Rx Sensitivity and Rx BER198
- Checking Receiver Sensitivity (Self-Test Method) (HPD)198
  - Performing In-Band Power Meter User Calibration199
  - Measuring HPD Base Radio Tx Power, Frequency Accuracy, and Tx EVM200
  - Figure 83: HPD Service Monitor - RF Control Settings Window (Aeroflex 3900 Series Service Monitor)201
  - Figure 84: CSS Test and Measurement Screen202
  - Figure 85: HPD Service Monitor - Rx Meter Subscreen, Reset Soft Keys (Aeroflex 3900 Series Service Monitor)202
  - Measuring HPD Base Radio Rx Sensitivity and Rx BER203
  - Figure 86: HPD Service Monitor - RF Control Settings Window (Aeroflex 3900 Series Service Monitor)204
  - Figure 87: Test and Measurement Screen205
  - Checking Receiver Sensitivity (Self-Test Method) (HPD)206
  - Figure 88: HPD Service Monitor - Rx Meter Subscreen and Soft Keys (Aeroflex 3900 Series Service Monitor)206
  - Figure 89: CSS Test and Measurement Screen207
Chapter 6: GTR 8000 Base Radio Maintenance208
- Fan Grill Cleaning Instructions208
- Aligning the Internal Frequency Reference Oscillator208
Chapter 7: GTR 8000 Base Radio Operation209
- Base Radio Operational States for Trunked Simulcast209
- Base Radio Operational States for Trunked Repeater and HPD209
- Base Radio Operational States for Conventional210
  - Packet Data Interactions with Multiple Nacs210
  - Supplementary Signaling Interactions with Multiple Nacs210
- Illegal Carrier Determination Feature (Trunked)210
- RF Channel Interference Determination Feature (Conventional)211
- Table 48: Illegal Carrier Determination211
Chapter 8: GTR 8000 Base Radio Troubleshooting212
- GTR 8000 Base Radio General Troubleshooting212
- Table 49: GTR 8000 Base Radio General Troubleshooting212
- GTR 8000 Base Radio Troubleshooting Tools215
- Site Controller Failure Impact on GTR 8000 Base Radio for Trunked Operation219
- Conventional Site Controller Failure - Impact on GTR 8000 Base Radio for Conventional Operation219
- Motorola Solutions Support Center219
Chapter 9: GTR 8000 Base Radio FRU Procedures222
- Field Replaceable Units (Frus) and Parts222
- Table 52: GTR 8000 Base Radio Field Replaceable Units222
- Replacing a Transceiver Module222
- Table 53: GTR 8000 Base Radio Field Replaceable Parts223
- Replacing a Power Supply223
- Replacing a Power Supply Fan223
- Replacing a Power Amplifier223
- Replacing a GTR 8000 Base Radio Backplane224
- Replacing a Preselector Filter224
- Replacing the Dual Circulator/Isolator Modules224
- Replacing a Duplexer (UHF)224
- Table 54: GTR 8000 Base Radio Cabinet Field Replacement Parts225
- Table 55: Individual Replaceable Parts on External Dual Circulator Tray225
- Table 56: GTR 8000 Base Radio Cables225
- Removing/Replacing a Cabinet Door225
- Setting the Date and Time in CSS235
Chapter 10: GTR 8000 Base Radio Reference264
- GTR 8000 Base Radio Leds264
- RFDS Equipment Specifications270
Chapter 11: GTR 8000 Base Radio Disaster Recovery276
- Recovering the GTR 8000 Base Radio276
- Performing a Site Download with PSC 9600 Site Controllers276
- Performing a Site Software Download with GCP 8000 Site Controllers278
Appendix A: Conventional GTR 8000 Base Radio Option Kits281
- T2-2R, T3-3R, and T4-4R Receiver Mute Option Kits281
- T1-2R with Talk-Around Option Kit295
- T2-2R with Duplexer and Triple Relay Option Kit301
- Replacing the Fan Assembly306
  - Configuring the T2-2R with Duplexer and Triple Relay Option Kit307
- Connecting through an Ethernet Port Link307

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