I am bringing up a new link. This is on CWDM fiber with a supposedly
80km optic. Path is about 20 miles. I'm getting the following warning
messages:
*Apr 29 2015 22:29:09.851 PST: %SFF8472-3-THRESHOLD_VIOLATION: Te0/3: Rx
power low warning; Operating value: -16.4 dBm, Threshold value: -15.8 dBm.
The link is working fine without issue but I want to know what I'm
looking at and wether it's worthwhile to do something about it?
Also in my show inventory for this I get:
NAME: "TenGigabitEthernet0/3", DESCR: "10GBASE-ER/EW"
PID: scrambled gobblydegook VID: scrambled
crap , SN: INEAC0060007
The 'pid' and 'vid' values are all high bit chars undecipherable.
Lastly, Im including the detail output in case any of these numbers make
sense:
sh int te0/3 transceiver
ITU Channel not available (Wavelength not available),
Transceiver is internally calibrated.
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 Current Tx Power Rx Power
Port (Celsius) (Volts) (mA) (dBm) (dBm)
--------- ----------- ------- -------- -------- --------
Te0/3 34.1 0.00 91.5 2.4 -16.4 -
sh int te0/3 transceiver detail
ITU Channel not available (Wavelength not available),
Transceiver is internally calibrated.
mA: milliamperes, dBm: decibels (milliwatts), NA or N/A: not applicable.
++ : high alarm, + : high warning, - : low warning, -- : low alarm.
A2D readouts (if they differ), are reported in parentheses.
The threshold values are calibrated.
High Alarm High Warn Low Warn Low Alarm
Temperature Threshold Threshold Threshold Threshold
Port (Celsius) (Celsius) (Celsius) (Celsius) (Celsius)
--------- ----------------- ---------- --------- --------- ---------
Te0/3 34.1 74.0 70.0 0.0 -4.0
High Alarm High Warn Low Warn Low Alarm
Voltage Threshold Threshold Threshold Threshold
Port (Volts) (Volts) (Volts) (Volts) (Volts)
--------- ----------------- ---------- --------- --------- ---------
Te0/3 0.00 N/A N/A N/A N/A
High Alarm High Warn Low Warn Low Alarm
Current Threshold Threshold Threshold Threshold
Port (milliamperes) (mA) (mA) (mA) (mA)
--------- ----------------- ---------- --------- --------- ---------
Te0/3 91.5 N/A N/A N/A N/A
Optical High Alarm High Warn Low Warn Low Alarm
Transmit Power Threshold Threshold Threshold Threshold
Port (dBm) (dBm) (dBm) (dBm) (dBm)
--------- ----------------- ---------- --------- --------- ---------
Te0/3 2.4 6.9 3.9 -4.7 -7.7
Optical High Alarm High Warn Low Warn Low Alarm
Receive Power Threshold Threshold Threshold Threshold
Port (dBm) (dBm) (dBm) (dBm) (dBm)
--------- ----------------- ---------- --------- --------- ---------
Te0/3 -16.4 - 1.9 -1.0 -15.8 -18.8
Thanks.
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