This is by SNMP, it is using the MIB CISCO-ENTITY-SENSOR-MIB, but i don´t know where i can see this information:
Optical Transmit Power (dBm) and Optical Receive Power (dBm)
This is by SNMP, it is using the MIB CISCO-ENTITY-SENSOR-MIB, but i don´t know where i can see this information:
Optical Transmit Power (dBm) and Optical Receive Power (dBm)