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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 4: For PoE+;
1: 0.44w to 3.84w
3: 6.49w to 12.95w
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-ethernet A6-A7 to 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 : value Value : 17 W
Detection Status : 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 : value Value : 17 W
Detection Status : 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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