Port Management: PoE
Configuring PoE Settings
Cisco 500 Series Stackable Managed Switch Administration Guide Release 1.3 210
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• Administrative Power Allocation—This field appears only if the Power Mode
set in the PoE Properties page is Port Limit. If the Power mode is Power Limit,
enter the power in milliwatts allocated to the port.
• Max Power Allocation—Displays the maximum amount of power permitted
on this port.
• Class—This field appears only if the Power Mode set in the PoE Properties
page is Class Limit. The class determines the power level:
• 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 written to the Running Configuration
file.
Class Maximum Power Delivered by Device Port
0 15.4 watt
14.0 watt
27.0 watt
3 15.4 watt
430.0 watt
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