QTech Data Systems Q70 Base Station Modem - Manual (Page 5)

Q70 – Quick Start Guide – v1.1 – December 2011
www.qtech.co.nz Tel: 03 3663713
Radio Connector - RJ 45
The connector is labelled “Radio” and connects the
Modem to the audio interface on the radio.
Pin 1 is on the left hand side, nearest the fixing screw.
The cable from this connector to the radio is provided with each Q70 modem
Pin Number Function
1
2 Wire Transmit and receive audio data.
2 2 Wire Transmit and receive audio data.
3 Transmitter Key Power.
4 Transmitter key from Radio.
5 Ground.
6 Busy from Radio.
7 4 Wire Transmit
8 4 Wire Transmit.
3 Pin Power Supply Connector
Pin Number Function
1
Not Connected
2 + Supply 8-30V DC
3 Ground
The Q70 modem is supplied with a 12V DC plug pack with a pre terminated power
connector.