Instruction Manual

Instruction Manual Page 16 of 25
MICROPHONE
The microphone connector is a multi-purpose connector that allows for voice and data.
RJ-45 Microphone Connector Pin-Out
Pin Function Description
2 Microphone Microphone input required for voice. This input is biased
to +VDC with respect to ground.
7 Ground Ground reference for external accessories
5 TxD – Transmit Data Transmit data utilizing XON/XOFF software handshaking
6 RxD – Receiver Data Receive data utilizing XON/XOFF software handshaking
3 PTT Push-To-Talk
4 On/Off Hook Trigger to detect whether the microphone is on/off hook
8 Second Audio Output Future use for external handset
1 +5v 5 volt supply (250 ma maximum current)
DISPLAY
The alphanumeric display will provide all visual indicators.
REAR PANEL CONNECTORS
1 Power Input Connector
2 Accessory Connector
3 Antenna Connector
POWER INPUT CONNECTOR PIN-OUT
Pin Function
1 +12 V
2 Ground