Motorola ASTRO 25 GTR 8000 - Page 113

Pin No. Signal Type Function Note
14 Aux Out Relay 7
Com
Output RD STAT - Receiver Active Form Relay A Closed When Active
15 Aux Out Relay 8
Com
Output Main Standby - Antenna Re-
lay
Form Relay A Closed When Active
16 Aux Out Relay 9
Com
Output Form Relay A Closed When Active
17 Aux Out Relay 10
Com
Output Form Relay A Closed When Active
18 Aux Out 11 Output Low Impedance to Ground When
Active
19 External_Reset Input Reset Buffered Input Pull To Ground To
Activate
20 TSTAT Output For future use 0 Volts When Inactive / +5 Volts
when Active
21 AUX RX Output Aux Rx Analog Signal – Unbalanced
22 GND GND
23** AUX TX Input/
Output
Aux Tx Analog Signal – 600 Ohm Unbal-
anced
24 PL - Input PL(-) In Analog Signal – 600 Ohm Balanced
25** Gen TX – Input Gen TX Data- Analog Signal – 600 Ohm Balanced
26 Aux In 1 Input Phone Patch - Call Request Pull To Ground To Activate
27 Aux In 3 Input Tx Inhibit Pull To Ground To Activate
28 Aux In 5 Input External PTT Pull To Ground To Activate
29 Aux In 7 Input Rx Inhibit Pull To Ground To Activate
30 Aux In 9 + Input Phone Patch - PL Strip Opto-Isolated In - Current flow to
Activate
31 Aux In 10 + Input Phone Patch - Monitor Opto-Isolated In - Current flow to
Activate
32 Aux In 11 + Input Opto-Isolated In - Current flow to
Activate
33 Aux In 12 + Input Opto-Isolated In - Current flow to
Activate
34 GND GND
35 Aux In 14 Input For future use Pull To Ground To Activate
36 Aux Out 1 Output Phone Patch - Inhibit / Ena-
ble
Low Impedance to Ground When
Active
37 Aux Out 3 Output Low Impedance to Ground When
Active
38 Aux Out 5 Output Low Impedance to Ground When
Active
39 Aux Out Relay 7
N.O.
Output RD STAT - Receiver Active Form Relay A Closed When Active
MN003286A01-E
Chapter
3: GTR 8000 Base Radio Installation
113