Troubleshooting Flowchart; Solution - H3C S5120V3-EI Series Troubleshooting Manual

Troubleshooting flowchart

Figure 10 Troubleshooting PoE power supply anomaly
PoE power supply anomaly
PoE power used correctly?
PSE software operates
correctly?
PSE supplies power
correctly?
Power supplied correctly
by PoE interfaces?
Contact H3C Support

Solution

To resolve the issue:
1. Verify that the PoE power is correctly used.
For a PoE switch, use the PoE power according to the PoE power supply scheme. For
information about the power supply compatibility, see the installation guide for your device.
2. Execute the following commands to display power supply information:
a. Execute the display poe device command in any view to display PSE information, and
check the faulty field to identify PSE issues.
<Sysname> display poe device
PSE ID
4
The output shows that the PSE has issues.
b. Execute the poe update command to upgrade the PSE processing software in service.
<Sysname> system-view
[Sysname] poe update full ver_3_9_0_release.bin pse 4
This command will fully update firmware on the specific PSE(s), Continue? [Y/N]:y
System is downloading firmware into the hardware. Please wait
Yes
No
Yes
No
Yes
No
Yes
No
SlotNo SubSNo PortNum
1 0
Use correct PoE
power
Upgrade PSE
software
Configure PSE
correctly
Configure PoE
interfaces correctly
MaxPower(W)
24 370
32
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
End
State Model
faulty LSW124POED-M