All connections to the unit are made through the DB9 connector. Connect wiring
according to the diagram below.
Connections to DB-9 connector:
1. Mod in (data). Audio sensitivity is 100mV RMS @ 60% Peak deviation.
2. AF out (data) (0.25 volt rms)
3. PTT . Ground to transmit.
4. GND
5. V in . 9-18 VDC
6. Busy Detector 0 volts DC = busy, 5 volts DC = open
7. Audio/Mic in. Sensitivity 5 mV. Typ.
8. Switch
9. Spkr out. 1 V. rms. typ. to 8 ohm load.
PS current:
Power save 15-30 mA. typ.
Standby 30-50 mA. typ.
Receive 35-60 mA. typ.
Transmit Low power 400-650 mA. typ.
Transmit High power 1100-1800 mA. typ.
