User Manual

Installation and Operator Handbook Installation Instructions
AMX–MA–00653 Issue 0.02 (USA) 12
Transceiver Module programming connector.
Radio serial data.
Analog line connections for PSTN, PBX, Microwave or tone remote control unit.
RS-485 serial data (for future use as APCO Project 25 Fixed Station Interface (Ef) and digital console
interface.
Ethernet connection for future use as a network management interface.
General purpose input/output lines.
External 10 MHz reference source input.
Standby power to maintain temperature of reference oscillator oven during power outages.
-48 V DC input for operation of E & M signalling interface.
3.6.5.1 Transceiver Module Audio Connector
Function: Connects external microphone or speaker or both to Transceiver Module
Located: Transceiver Module front panel (lower connector)
Connector: RJ45
Pin allocation: (Pin 1 is the top pin looking from the front of the module)
Pin Function
1 Microphone audio
2 Ground
3 Line/speaker output (link selectable on the Tx module)
4 Microphone supply (+12 V)
5 PTT (Active Low)
6 Monitor (Active Low)
7 SW1 (Active Low)
8 SW2 (Active Low)