![]() ![]() ![]() Pins 5 and 6 were changed, so I made myself an adapter to fix that issue but it still did not work. Although the GP1200 was not explicit noted in the article description I re-engineered the china interface and found out that my RJ-45 jack for the microphone socket was not correct wired for the GM1200 series. With the modification shown above I was able to program my GP300 but not my GM1200 mobile rig. 8V stabilized on my bench PSU worked perfect for me.īTW: I used the old DOS software on my old 3 GHz Windows XP computer, emulating DOS with DOSBox. There are 2 open leads at the end, red and black. So if your China Interface is not working, open it up (Torx 8) and make sure all connections are ok, well soldered and no rubber insulators prevent the data from flowing.Īnother thing, my Interface came without any documentation and papers. Here is what I found (after several hours): If you are not too good on electronics and troubleshooting electrical devices, better get yourself an original Motorola RIB, there you can be 100% sure that it works (or of course make your own one). In the end I wasted all the day in troubleshooting and found that some real amateurs are assembling those electronic devices over there in China and also it seems as there is absolutely ZERO quality control. I thought I could safe some time for making my own RIB, so I ordered a RIBless box on Ebay which came straight from China for 13 Euro shipped. I had this one lying around as it was programmed in the 170 MHz range ("2m BOS" here in Germany). This old radio was used for the local fire department just before they switched over to digital. ![]() Some time ago I received a 1995 Motorola GP300 from a friend. Some of you guys might already know - I love Motorola gear. ![]()
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