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Port Management
Configuring PoE
STEP 4
Cisco Small Business SG200 Series 8-port Smart Switches Administration Guide
•
Power Allocation—If you configured a user-defined option for Power Limit
Type, enter the power in milliwatts to be allocated to the port, between 3000
to 16200 milliwatts.
•
Detection Type—Select one of the following methods to detect PoE-
powered devices connected to the ports.
-
Legacy Only—Only capacitive signature devices are detected.
-
802.3af 4point Only—Only resistive signature devices are detected
with the first algorithm.
-
802.3af 4point and Legacy—Both capacitive and resistive signature
devices are detected by using the second algorithm.
-
802.3af 2point Only—Only resistive signature devices are detected
with the first algorithm.
-
802.3af 2point and Legacy—Both capacitive and resistive signature
devices are detected using the first algorithm.
•
Reset Mode—Select Enable to enable the switch initialize the ports PoE
state machines.
The following statistics also appear:
•
Power Consumption—Actual power consumption on the port.
•
Overload Counter—Total number of power overload occurrences.
•
Short Counter—Total number of power short condition (electrical shorts) on
a port.
•
Denied Counter—Number of times the powered device was denied power.
•
Absent Counter—Number of times the power supply was stopped to the
powered device because the powered device was no longer detected.
•
Invalid Signature Counter—Number of times an invalid signature was
received. Signatures are the means by which the powered device identifies
itself to the PSE. A signature is generated during powered device detection,
classification, or maintenance.
Click Apply and then click Close. Your changes are saved to the Running
Configuration.
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