SNR S2940-8G-v2 Switch Configuration Guide
DDM Configuration
(b)Configure the enable state of the transceiver monitoring
Command Explanation
Port mode
transceiver-monitoring { enable |
disable }
Set whether the transceiver monitoring is enabled. Only the
port enables the transceiver monitoring, the system records
the abnormity state. After the port disables the function, the
abnormity information will be clear.
(c)Show the information of the transceiver monitoring
Command Explanation
Admin mode and global mode
show transceiver threshold-
violation [interface ethernet
<interface-list>]
Show the information of the transceiver monitoring, includ-
ing the last threshold-violation informatijon, the interval of
the current transceiver monitoring and whether the port en-
ables the transceiver monitoring.
(d)Clear the information of the transceiver monitoring
Command Explanation
Admin mode
clear transceiver threshold-
violation [interface ethernet
<interface-list>]
Clear the threshold violation of the transceiver monitor.
12.3 Examples of DDM
Example 1:
Ethernet 1/21 and Ethernet 1/23 are inserted the fiber module with DDM, Ethernet 1/24 is
inserted the fiber module without DDM, Ethernet 1/22 does not insert any fiber module, show the
DDM information of the fiber module.
a) Show the information of all interfaces which can read the real-time parameters normally, (No
fiber module is inserted or the fiber module is not supported, the information will not be shown),
for example:
Switch#show transceiver
Interface Temp Voltage(V) Bias(mA) RX Power(dBM) TX Power(dBM)
1/21 33 3.31 6.11 -30.54(A-) -6.01
1/23 33 5.00(W+) 6.11 -20.54(W-) -6.02
b) Show the information of the specified interface. (N/A means no fiber module is inserted or
does not support the fiber module), for example:
Switch#show transceiver interface ethernet 1/21-22;23
Interface Temp Voltage(V) Bias(mA) RX Power(dBM) TX Power(dBM)
1/21 33 3.31 6.11 -30.54(A-) -6.01
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