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
