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2.
If the port is a fiber port, verify that the optical power of the transceiver module is operating
correctly:
a.
Use the display transceiver diagnosis interface command to view the present measured values
of the digital diagnosis parameters for the transceiver module.
[Sysname] display transceiver diagnosis interface ten-gigabitethernet 1/0/51
Ten-GigabitEthernet1/0/51 transceiver diagnostic information:
Current diagnostic parameters:
[module]
[channel] TX Bias(mA)
1
2
3
4
5
6
7
8
Alarm thresholds:
[module]
High
Low
b.
If the optical power of the transceiver module is not within the correct range, replace the
transceiver module with a transceiver module of the same model that is operating correctly.
3.
Verify that the port configurations are correct:
a.
Execute the display interface brief command.
b.
Determine whether the speed and duplex mode of the port match the speed and duplex mode
of the peer port.
c.
If they do not match, use the speed command and the duplex command to set the speed and
duplex mode for the port.
4.
Verify that the port and the link medium are operating correctly:
a.
Plug the link medium into another port that is operating correctly, and determine whether the
same problem occurs.
b.
If the problem still occurs, verify that the following items are operating correctly:
Intermediate links and devices, including optical-to-electrical converters, cable terminal
−
racks, and transmission devices.
Transmission medium, including network cables, optical fibers, and transceiver modules.
−
c.
Examine the port:
−
If the port is a copper port, directly connect the port to a PC.
If the port is a fiber port, replace the transceiver module plugged into the port.
−
Temp.(°C)
1stTX
2ndTX
1stRX
N/A
N/A
N/A
Voltage(V)
3.3VTX
12VTX
3.3VRX
3.29
N/A
3.40
RX power(dBm)
6.09
0.91
5.95
1.09
6.05
1.58
5.85
1.58
6.07
2.23
5.72
2.85
6.11
3.01
5.50
1.17
Temp.(°C) Voltage(V)
0
3.63
0
2.97
33
2ndRX
N/A
12VRX
N/A
TX power(dBm)
-0.77
-0.16
-0.17
-0.14
-0.30
-0.47
-0.08
-0.02
Bias(mA)
RX power(dBM)
10.00
1.58
0.50
3.13
TX power(dBM)
5.44
-11.61
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Troubleshooting
