Here is the connection diagram showing the connection between the Moencomm GMSK modem and the FC301D radio.

Connection cable plugs required:

FC301: Male D-sub 9 pin
Star*Board: Female D-sub 9 pin

FC301 pin description:
1 = Audio In
2 = Audio Out
3 = PTT
4 = GND
5 = +12V
not used for Moencomm setup:
6 = CD/SQL 
7 = RSSI
8 = Programming enable (link to GND)
9 = Speaker Output (8 Ohm / 0.5W)

 

For a duplex connection in a repeater style setup use the following cable:

 

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