Managing Power-over-Ethernet Devices
Configuring the PoE Power, Priority, and Class
Cisco Small Business 300 Series Managed Switch Administration Guide 106
10
• Class—This field is displayed only if the Power Mode set in the PoE
Properties Page is Class Limit. The class determines the power level:
• Power Allocation—This field is displayed only if the Power Mode set in the
PoE Properties Page is Port Limit. Enter the power in milliwatts allocated to
the port. The range is 0 to 15,400.
• Power Consumption—Displays the amount of power in milliwatts assigned to
the powered device connected to the selected interface.
• Overload Counter—Displays the total number of power overload
occurrences.
• Short Counter—Displays the total number of power shortage occurrences.
• Denied Counter—Displays number of times the powered device was denied
power.
• Absent Counter—Displays the number of times that power was stopped to
the powered device, because the powered device was no longer detected.
• Invalid Signature Counter—Displays the times an invalid signature was
received. Signatures are the means by which the powered device identifies
itself to the PSE. Signatures are generated during powered device
detection, classification, or maintenance.
STEP 4 Click Apply. The PoE settings for the port are defined and the switch is updated.
Class Maximum Power Delivered by Switch Port
0 15.4 watt
14.0 watt
27.0 watt
3 15.4 watt
4 15.4 watt
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