Double check the cable and that could be your issue. Thats what I deserve for buying a RIB from E-bay, but I dont program motorola radios that often so what I have works for me. They both look the same, but you cant use one for both operations for some reason, even though the cables from motorola are the same. to buy a cable I use kawamall - the people in our local group have had very. One works for mobiles, the other for the repeater. 1) A RIB and a radio-specific cable (DB25 to Maxtrac/Radius/GM300) 2) A serial cable that plugs into the radio, and has the RIB components in. (Stupid, but its because the CPS also updates the radios firmware which may not work properly with older CPS versions which sort of makes sense)Īnother cause could be fake/improper programing cables. For instance, If the radio was programed once using a version 03.01.00 your CPS wont read the radio. If you use a newer CPS to program a radio, you must always use that CPS or newer, you cant roll back to a previous version. Motorola isnt like other radio softwares. Therefore, it will be assumed that the purchaser is knowledgeable in using the cable for the applications it is designed for. This cable does not include any manuals or instructions for use. The internal converter circuit board mounted in the DB9 plug. This should give you the proper com port you need. This programming cable is designed for quick and easy programming of Motorola Radius M120 radio.

To figure out which com port you need, go to device manager and look under USB Controllers. I suspect you have the wrong com port selected. Compatible with: XPR4350 XPR4550 XPR5550 XPR8300 XPR8400 and similar radios with 26 pin rear connector.

For use with all MOTOROLA RDX series (RDV and RDU) two-way radios. 26 Pin USB Programming cable for Motorola MotoTrbo Mobile Radios and Repeaters 5 foot cord. Using USB cables usually puts you around com port 3 or 4, not 1. Connects via standard USB connection on a PC and mini-USB connector on desktop charging base.

Most likely cause that I see is that you have com port 1 selected. First, make sure the radio is on (I know its a given if you have programmed radios previously but sometimes people forget)

Motorola programming cable radio