To troubleshoot common issues with the Motorola GM950 Plus programming software, users can try:

Older Motorola radios required a powered RIB between the computer and the cable. because it uses a RIBless cable design. The radio has internal voltage sensing that allows a direct serial connection. Do not use a standard Maxtrac RIB box—use a straight-through "RIBless" cable or a cable with a built-in Max3232 level shifter.