Installation
025-9416
69
Generic Transmitter Interface
Figure 31 describes the basic radio station interface configuration for the Model 640.
Model 640 RJ21
Radio Station
Output
Paging
Transmitter
Signal Inputs
DIG MODE
(14)
DIGITAL RTS
XMIT AUDIO HI
(15)
AUDIO INPUT HI
AUX PTT NO
(23)
LOCAL PTT
DIG DATA
(42)
DIGITAL DATA
XMIT AUDIO LO
1
(40)
AUDIO INPUT LO
AUX PTT COM
(24)
GROUND
(17)
GROUND
Figure 31. Wiring Configuration for Colocated Radio Station
Notes on Figure 31:
1. For single-ended systems, the XMIT AUDIO LO signal should be tied to GROUND. For balanced 600
Ω
systems,
the XMIT AUDIO LO signal should be tied to AUDIO INPUT LO.
2. If a Motorola PURC® transmitter is used, disable the built-in UDS 202 modem.
3. In the Model 640 Transmitter Key Up Control database set:
•
the ModeSgnlPlrty parameter to “high” for digital
•
the DigDataPolarity parameter to “0” for inverted data
Summary of Contents for 640 DAPT XTRA
Page 2: ......
Page 6: ...Statements vi 025 9416...
Page 20: ...Introduction 8 025 9416...
Page 26: ...Specifications 14 025 9416...
Page 96: ...Installation 84 025 9416...
Page 126: ...Optional Equipment Installation 114 025 9416...
Page 134: ...Voice Prompts 122 025 9416...
Page 174: ...Parts Lists and Schematics 162 025 9416 Schematic...
Page 175: ...Parts Lists and Schematics 025 9416 163...
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Page 182: ...Parts Lists and Schematics 170 025 9416 Silkscreen...
Page 185: ...Parts Lists and Schematics 025 9416 173 Schematic...
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Page 198: ...Parts Lists and Schematics 186 025 9416 RAM Disk 702 9386B ROM Disk 702 9389B...
Page 199: ...Parts Lists and Schematics 025 9416 187 TNPP Interface 702 9362C 2...
Page 200: ...Parts Lists and Schematics 188 025 9416 Terminal Block Adapter 702 9470B...
Page 201: ...Parts Lists and Schematics 025 9416 189 CONFIGURATION DIAGRAMS Dual Trunk Telco DID 024 0076A...
Page 202: ...Parts Lists and Schematics 190 025 9416 Dual Trunk Telco End to End 024 0077A...
Page 203: ...Parts Lists and Schematics 025 9416 191 Dual Trunk Telco E M 024 0078A...
Page 204: ...Parts Lists and Schematics 192 025 9416 Dual Trunk Telco Ground Start 024 0079A...
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