This DC cable is compatible with Sierra AirLink LS300 and Raven RV50 routers, should you want to power the router via DC power. The cable also has a wire for the I/O feature available on both routers.
1) What are the designations for the wires on this cable?
Pin 1 (Red), DC Power
Pin 2 (Black), Ground
Pin 3 (White), Igntition sense
Pin 4 (Green), GPIO