Cisco 500 Series Administration Manual page 252

Port Management: PoE
PoE Settings
STEP 4
Cisco 500 Series Stackable Managed Switch Administration Guide
• Class—This field is enterable only if the Power Mode set in the PoE
Properties page is Class Limit. The class determines the power level:
Class Maximum Power Delivered by Device Port
0 15.4 watt
1 4.0 watt
2 7.0 watt
3 15.4 watt
4 30.0 watt
• 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.
Click Apply. The PoE settings for the port are written to the Running Configuration
file.
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