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Port Management
PoE
NOTE
Cisco Sx350, SG350X, SG350XG, Sx550X & SG550XG Series Managed Switches, Firmware Release 2.2.5.x
•
Negotiated Power—Power allocated to device.
•
Power Negotiation Protocol—Protocol determining the negotiated power.
•
Power Consumption—Displays the amount of power in milliwatts assigned in the
Settings (Class Limit).
•
Class—Displays class of power generated.
•
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 pod device was denied power.
•
Absent Counter—Displays the number of times that power was stopped to the pod
device, because the pod device was no longer detected.
•
Invalid Signature Counter—Displays the times an invalid signature was received.
Signatures are the means by which the pod device identifies itself to the PSE. Signatures
are generated during pod device detection, classification, or maintenance.
The (Class Limit) Settings page displays system PoE information for enabling PoE on the
interfaces and monitoring the current power usage and maximum power limit per port.
PoE can be configured on the device for a specific period. This feature enables you to define,
per port, the days in the week and the hours that PoE is enabled. When the time range is not
active, PoE is disabled. To use this feature, a time range must first be defined in the
page.
This page limits the power per port based on the class of the connected PD. For these settings
to be active, the system must be in PoE Class Limit mode. That mode is configured in the PoE
Properties page.
When the power consumed on the port exceeds the class limit, the port power is turned off.
PoE Priority Example:
See
Device Models
for a description of the device models that support PoE and the maximum
power that can be allocated to PoE ports.
9
Time Range
170
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