[Observium] Ceragon in r7954.

Hi,

Thank you for adding support for Ceragon P2P Radios! \o/

I tested here, but there is no sensors... =/

If I can help, some oids you have to monitor:

RX Signal = .1.3.6.1.4.1.2281.10.5.1.1.2 Input Voltage = .1.3.6.1.4.1.2281.10.1.1.10

Regards,