Digi-Star DataLink - Manual (Page 8)

RF DataLink
4
Extended Range Setup
If you are using the extended range radio kit (RS-422) you must
go to System, then Defaults, and select [Radio Settings]. Under
Base Radio Type, select [Extended Range Base Radio (RS-422).
RF Datalink will then pause while looking at the radio for the new
settings.
Next open the housing of the base radio. There is a bank of dip
switches on the right side,
Set switches as the picture on the right:
Install the AC/DC power transformer into the base radio box and run AC power into the unit
as shown. When attaching the female plug to the power cord, remove green ground wire
and attach either of the remaining two wires to either terminal. AC/DC adaptor is not
polarized.
Antenna Assembly