4-5
Diagnosing pluggable transceivers
The system outputs alarm information for you to diagnose and troubleshoot faults of pluggable
transceivers. Optical transceivers customized by H3C also support the digital diagnosis function, which
enables a transceiver to monitor the main parameters such as temperature, voltage, laser bias current,
TX power, and RX power. When these parameters are abnormal, you can take corresponding
measures to prevent transceiver faults.
Table 4-10 Display pluggable transceiver information
Operation Command Description
Display the current alarm
information of the pluggable
transceiver(s)
display transceiver alarm
interface [ interface-type
interface-number ]
Available for all pluggable
transceivers
Display the currently measured
value of the digital diagnosis
parameters of the anti-spoofing
optical transceiver(s)
customized by H3C
display transceiver
diagnosis interface
[ interface-type
interface-number ]
Available for anti-spoofing
pluggable optical transceiver(s)
customized by H3C only
Displaying the Device Management Configuration
After the above configurations, you can execute the display command in any view to display the
operating status of the device management to verify the configuration effects.
Table 4-11 Display the operating status of the device management
Operation Command Description
Display the APP to be adopted at
next startup
display boot-loader [ unit unit-id ]
Display the module type and
operating status of each board
display device [ manuinfo | unit
unit-id ]
Display CPU usage of a switch display cpu [ unit unit-id ]
Display memory usage of a switch display memory [ unit unit-id ]
Display the operating status of the
fan
display fan [ unit unit-id [ fan-id ] ]
Display the environment
temperature of the switch
display environment
Display the operating status of the
power supply
display power [ unit unit-id [ power-id ] ]
Display system diagnostic
information or save system
diagnostic information to a file with
the extension .diag into the Flash
memory
display diagnostic-information
Display enabled debugging on the
switch
display debugging [ unit unit-id ]
[ interface interface-type
interface-number ] [ module-name ]
You can execute
the display
command in any
view.
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