Radius GM300 - Page 113

October, 1996 6880902Z36-B 6-21
GM300 Radio Service Software Manual Accessory Connector (16 Channel Models Only)
Accessory Connector Function Tables
6
Table 6-4. Possible Pin Assignments
Pin Function
4 (Output) External Alarm
NULL2
PL/DPL & CSQ Detect
CSQ Detect
Clear to Send
6, 9 (Input) NULL1
Emergency Switch
TX PL Inhibit
TOC Disable
TX Audio Mute
RX Audio Mute
Special Off Hook
Channel Select 1-5
Mic Off Hook
Auto PTT
Request to Send
Ext. Call Button
8, 12, 14
(Input & Output)
External Alarm (low current drive on these pins)
NULL1
PL/DPL & CSQ Detect
CSQ Detect
Emergency Switch
TX PL Inhibit
TOC Disable
TX Audio Mute
Clear to Send
Rx Audio Mute
Special Off Hook
Channel Select 1-5
Mic Off Hook
Auto PTT
Request to Send
Ext. Call Button
NULL2