3Com 4210G Series, Configuration Manual, Page: 894 / 1133

10-9
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
monitors the key parameters of a transceiver, 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.
Follow these steps to diagnose pluggable transceivers:
To do… Use the command… Remarks
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 and Maintaining Device Management Configuration
Follow these steps to display and maintain device management configuration:
To do… Use the command… Remarks
Display information of the boot
file
display boot-loader
[
slot slot-number
]
Available in any
view
Display the statistics of the
CPU usage
display cpu-usage
[
number
[
offset
]
[
verbose
] [
from-device
] ]
Available in any
view
Display history statistics of the
CPU usage in a chart
display cpu-usage history
[
task task-id
]
[
slot slot-number
[
cpu cpu-number
] ]
Available in any
view
Display information about a
board, subboard on the device
display device
[ [
shelf shelf-number
]
[
frame frame-number
] [
slot slot-number
[
subslot subslot-number
] ] |
verbose
]
Available in any
view
Display electrical label
information of the device
display device manuinfo
Available in any
view
Display the temperature
information of devices
display environment
Available in any
view
Display the operating state of
fans in the device
display fan
[
slot slot-number
[
fan-id
] ]
Available in any
view
Display the usage of the
memory of the device
display memory
[
slot slot-number
[
cpu
cpu-number
] ]
Available in any
view
Display the power state of a
device
display power
[
slot slot-number
[
power-id
] ]
Available in any
view
Display state of the RPS
display rps
[
slot slot-number
[
rps-id
] ]
Available in any
view
Display the reboot mode of a
device
display reboot-type
[
slot slot-number
]
Available in any
view
Display the reboot time of a
device
display schedule reboot
Available in any
view