Optical transceiver compensation, monitoring and alarming

An optical device comprising:

• an optical receiver configured to receive an optical signal transmitted by an optical transmitter module of another optical device to produce a receive signal;
• and
• a processor, coupled to the receiver, and configured to:
• receive process the receive signal to recover data in the receive signal, including compensating the receive signal to account for impairments, if any, of the optical transmitter of the other optical device by determining an offset-corrected in-phase component of the receive signal and an offset-corrected quadrature component of the receive signal;
• estimate one or more transmit parameters associated with the optical transmitter of the other optical device based on the compensating applied to the receive signal to account for impairments of the optical transmitter of the other optical device;
• and
• monitor the one or more transmit parameters to determine whether at least one of the one or more transmit parameters is outside a predetermined tolerance level.

A non-transitory processor readable medium storing instructions that, when executed by a processor, cause the processor to:

• at a first optical device, receive process a receive signal produced from an optical signal transmitted by an optical transmitter of a second optical device to recover data in the receive signal, wherein receive processing includes compensating the receive signal to account for impairments, if any, of the optical transmitter of the second optical device by determining an offset-corrected in-phase component of the receive signal and an offset-corrected quadrature component of the receive signal;
• estimate one or more transmit parameters associated with the optical transmitter of the second optical device based on the compensating applied to the receive signal to account for impairments of the optical transmitter of the second optical device;
• and
• monitor the one or more transmit parameters to determine whether at least one of the one or more transmit parameters is outside a predetermined tolerance level.