QTech QSW-2800 series Configuration Manual - 13.4 Ddm Troubleshooting
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93
Brief alarm information:
RX loss of signal
RX power low
Detail diagnostic and threshold information:
Diagnostic Threshold
Realtime Value High Alarm Low Alarm High Warn Low Warn
------------
-----------
-----------
------------
---------
Temperature (°C) 33
70
0
70
0
Voltage (V)
7.31
10.00
0.00
5.00
0.00
Bias current (mA) 3.11
10.30
0.00
5.00
0.00
RX Power (dBM) -30.54(A-)
9.00
-25.00(-34)
9.00
-25.00
TX Power (dBM) -1.01
9.00
-12.05
9.00
-10.00
Ethernet 1/21 transceiver threshold-violation information:
Transceiver monitor is disabled. Monitor interval is set to 30 minutes.
The last threshold-
violation doesn’t exist.
13.4 DDM Troubleshooting
If problems occur when configuring DDM, please check whether the problem is caused by the
following reasons:
Ensure that the transceiver of the fiber module has been inserted fast on the port, or else DDM
configuration will not be shown.
Ensure that SNMP configuration is valid, or else the warning event cannot inform the network
management system.
Because only some boards and box switches support SFP with DDM or XFP with DDM,
ensure the used board and switch support the corresponding function.
When using show transceiver command or show transceiver detail command, it cost much
time due to the switch will check all ports, so it is recommended to query the monitoring
information of the transceiver on the specified port.
Ensure the threshold defined by the user is valid. When any threshold is error, the transceiver
will give an alarm according to the default setting automatically.