2930F POE+ Switch not providing POE+ power

[akg7 · Accepted solution]

Hello @Adam-COWC 

W 07/29/21 10:06:23 00562 ports: port 11 PD Over Current indication.

Error 00562 indicated The powered device (PD) connected to the port has requested more than 15.4 watts of power. This may indicate a short-circuit or other problem in the PD.

Pelase share below command output:

show power-over-ethernet <port 11 or other ports>

Can you try to run below command:

HP Switch(config) # interface <interface number> poe-allocate-by value
HP Switch(config) # int <interface number> poe-value 30

Thanks!

[Adam-COWC]

Hi @akg7 

I am happy to confirm that manually allocating the value to 30 has allowed the door to power up, which is great, though now comes the follow up question - if the switch is capable of doing this, why didn't it automatically provide this power? I'm fairly certain that the default power provision is set to Auto?

For reference, this is now the draw for that port

Status and Configuration Information for port 11

Power Enable : Yes PoE Port Status : Delivering
PLC Class/Type : 4/2 Priority Config : high
DLC Class/Type : 0/- Pre-std Detect : off
Alloc By Config : value Configured Type :
Alloc By Actual : value PoE Value Config : 30

PoE Counter Information

Over Current Cnt : 216 MPS Absent Cnt : 0
Power Denied Cnt : 0 Short Cnt : 0

LLDP Information

PSE Allocated Power Value : 25.5 W PSE TLV Configured : dot3, MED
PD Requested Power Value : 0.0 W PSE TLV Sent Type : dot3
MED LLDP Detect : Disabled PD TLV Sent Type : n/a

Power Information

PSE Voltage : 54.5 V PSE Reserved Power : 30.0 W
PD Amperage Draw : 385 mA PD Power Draw : 21.0 W

Thanks Again

[akg7]

Hello @Adam-COWC ,

I believe power provision was set defaul 'usage' and this provides @ average15.4 W each port out of total 370 watss available.

If power provision is more than 15.4 W then either use 'class' or ' value'.

int <port-list> poe-allocate-by [ usage | class | value ]

Allows you to manually allocate the amount of PoE power for a port by either its class or a defined value.

usage: The automatic allocation by a PD.

class: Uses the power ramp-up signature of the PD to identify which power class the device will be in. 

value: A user-defined level of PoE power allocated for that port.

Thanks!

[akg7]

Hello @Adam-COWC ,

Has my post helped you to answer your query?

Thanks!

[Adam-COWC]

@akg7 

Yes very much thank you, I have accepted your answer as the solution as well