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Max msuraev at sysmocom.deI've created https://projects.osmocom.org/issues/1963 and linked it to 1648 for -m issue. I've tested with -x and external clock already. Unfortunately I can't promise to dig deeper with spectrum analyzer any time soon due to other tasks at hands. Could you please attach your known-to-work config files to #1648 so we have some reference point for future tests? On 03.03.2017 12:59, Alexander Chemeris wrote: > Hi Max, > > Multi-trx works properly with UmTRX which is our reference platform. > We've also done partial testing with OpenCellular - spectrum analyser > showed that TX is fine, but we haven't tested with a phone. With UmTRX > we tested everything. > > Since OpenCellular is a B210 derivative, it should work fine as well. > > Could you try adding -x option to osmo-trx to enable external clock? > If you have a spectrum analyser, I would recommend you to use it to > test the signal and frequency offset of the signal. > > On general, if everything starts and you don't see a network, it's > most likely a clock or RF issue. > > For -m option fail it would be great if you create a ticket and attach > logs. -- Max Suraev <msuraev at sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Alt-Moabit 93 * 10559 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte