Has anyone experienced a Cambium SM losing not just the radio calibration data but the config and also reverting to 4 Mbps aggregate (it was bought as a 20 Mbps unit, this wasn't even an upgrade key, although I suspect they all start as 4 Mbps units and the factory squirts a feature key into them)?
This happened when a customer had a power outage, we had installed a new SM about a week before. Cambium Support is wanting a remote session so they can telnet in and restore the radio calibration data. I am thinking there's a bigger problem than the calibration data, since it lost its config and went back to factory defaults, and also went from 20 Mbps to 4 Mbps. We also several concerning log entries including "MPU violation occurred in this build. MPU is disabled until next upgrade/downgrade" and stuff like fatal error, illegal instruction and register out of range. I'm thinking I should just bite the bullet and throw this SM away, although it's a 3.65 SM so it wasn't cheap.
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