Power Over Ethernet (PoE/PoE+) Operation

Displaying the Switch’s Global PoE Power Status

Power Class: Shows the power class of the PD detected on the indicated port. Classes include:

0: 0.44w to 12.95w

2: 3.84w to 6.49w

1: 0.44w to 3.84w

3: 6.49w to 12.95w

4:For PoE+; up to 25.5 watts can be drawn by the

PD

MPS Absent Cnt: This value shows the number of times a detected PD has no longer requested power from the port. Each occurrence generates an Event Log message. (“MPS” refers to the “Maintenance Power Signature.” Refer to “PoE Terminology” on page 11-3.)

Short Cnt: Shows the number of times the switch provided insufficient current to a connected PD.

Current: The total current, in mA, being delivered to PDs.

For example, if you wanted to view the PoE status of ports A6 and A7, you would use show power-over-ethernetA6-A7to display the data:

ProCurve(config)# show power-over-ethernet A6-A7

Status and Counters - Port Power Status for port A6

Power Enable

: Yes

LLDP Detect

: enabled

Priority

 

: low

 

Configured Type

:

AllocateBy

Status

: value

Value

: 17 W

Detection

: Delivering

Power Class

: 2

Over Current Cnt

: 0

MPS Absent Cnt

: 0

Power Denied Cnt

: 0

Short Cnt

: 0

Voltage

 

: 55.1 V

Current

: 154 mA

Power

 

: 8.4 W

 

 

Status and Counters - Port Power Status for port A7

 

Power Enable

: yes

LLDP Detect

: disabled

Priority

 

: low

 

Configured Type

:

AllocateBy

Status

: value

Value

: 17 W

Detection

: Searching

Power Class

: 0

Over Current Cnt

: 0

MPS Absent Cnt

: 0

Power Denied Cnt

: 0

Short Cnt

: 0

Voltage

 

: 0 V

Current

: 0 mA

Power

 

: 0 W

 

 

Figure 11-6. Example of Show Power-Over-Ethernet < port-list> Output

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