I am running the latest git build of OpenBTS UHD on a USRP1 with RFX1800 cards reflashed to 900. The USRP tests fine and I am able to run various gnuradio python scripts without issues. I installed GNU Radio and UHD from http://www.sbrac.org/files/build-gnuradio
I do not have a clock module, and i have the configuration file set to run the normal non-52MHz transceiver. I am operating in the 900MHz band using responsible RF practices.
However, after running OpenBTS, I get the following errors:
Device open failed. Exiting...
1314317403.3018 ALARM 3066751856 TRXManager.cpp:90:clockHandler: TRX clock interface timed out, assuming TRX is dead.
Could someone point me in the right direction? What causes this error?