I've got two SFP-10G-LR in a pair of 3750Xs with C3KX-NM-10G.
Connected between them is 95 metres of SingleMode fibre, occasionally, I can get one end up, the other stays down.
Could anyone help diagnose why?
Here's the output of show int transceivers.
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)
--------- ----------- ------- -------- --------
Te1/1/2 36.5 3.31 -2.7 -6.3
Te2/1/2 34.5 3.31 -3.8 -3.8
