> show interfaces transceiver
> If device is externally calibrated, only calibrated values are printed.
> ++ : high alarm, + : high warning, - : low warning, -- : low alarm.
> NA or N/A: not applicable, Tx: transmit, Rx: receive.
> mA: milliamperes, dBm: decibels (milliwatts).
>
> Optical Optical
> Temperature Voltage Tx Power Rx Power
> Port (Celsius) (Volts) (dBm) (dBm)
> --------- ----------- ------- -------- --------
> Te1/0/1 37.8 3.26 -3.7 -11.0