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