Motorola ASTRO 25 GTR 8000 User Manual

3.4.8.2
System Connector Ports (Trunked 3600)
The system connector is a 50-pin Mini SCSI connector. It is used for the WildCard inputs, outputs, and
the analog audio paths not routed to their own connector.
Table 40: 50–Pin System Connector Pin-Outs (Trunked 3600)
Pin # Signal Type Function Note
1 Aux In 2 Input CCI Pull To Ground To Activate
2 Aux In 4 Input
TPTT Pull To Ground To Activate
3* Aux In 6 Input In-Cabinet Repeat Pull To Ground To Activate
4 Aux In 8 Input Pull To Ground To Activate
5 Aux In 9 – Input Opto-Isolated In - Current flow to
Activate
6 Aux In 10 – Input Opto-Isolated In - Current flow to
Activate
7 Aux In 11 – Input Opto-Isolated In - Current flow to
Activate
8 Aux In 12 – Input Opto-Isolated In - Current flow to
Activate
9 Aux In 13 Input Trunking Mute Pull To Ground To Activate
10 Aux Out 12 Output Low Impedance to Ground When
Active
11 Aux Out 2 Output Low Impedance to Ground When
Active
12 Aux Out 4 Output Low Impedance to Ground When
Active
13 Aux Out 6 Output Low Impedance to Ground When
Active
14 Aux Out Relay 7
Com
Output RD STAT - Receiver Active Form Relay A Closed When Active
15 Aux Out Relay 8
Com
Output 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 TSTAT 0 Volts When Inactive / +5 Volts
when Active
MN003286A01-E
Chapter
3: GTR 8000 Base Radio Installation
115

Motorola ASTRO 25 GTR 8000 Specifications

General

Brand	Motorola
Model	ASTRO 25 GTR 8000
Category	Radio
Language	English