Hi
I have a GM29 Sony-Ericsson modem for a fleet tracking system. I was
doing firmware tests for the 8051-based system that controls it. The
modem did work well previously, but from yesterday when it comes to the
stage to set the APN (with AT+CGDCONT) the serial coms come to a halt
(from the modems point of view). I did connect from my PC to the modem
directly and repeated the sequence and again the modem stops responding
after trying to set the APN. I guess this is some kind of malfunction.
Note that during a test, the modem did remain connected for more than 2
days, but I believe this shouldn't cause a problem. After all the
operating temperatures for this modem are from -25� C to +55� C, so I
guess it shouldn't have a problem. Has anyone experienced something
similar with this modem? Could it be something else? Thanks
Best Regards
GM
PS: Sorry for my english