Power Over Ethernet (PoE/PoE+) Operation

Introduction to PoE

Term

Use in this Manual

 

 

port-number

Refers to the type of power prioritization where, within a priority class, a

priority

PoE module assigns the highest priority to the lowest-numbered port in the

 

module, the second-highest priority to the second lowest-numbered port

 

in the module, and so on. Note that power priority rules apply only if PoE

 

provisioning on the module becomes oversubscribed.

priority class

Refers to the type of power prioritization that uses Low (the default), High,

 

and Critical priority assignments to determine which groups of ports will

 

receive power. Note that power priority rules apply only if PoE provisioning

 

becomes oversubscribed.

PSE

Power-Sourcing Equipment. A PSE provides power to IEEE 802.3af­

 

compliant or IEEE 802.3at-compliant PDs directly connected to the ports

 

on the module. The PoE module is an endpoint PSE.

 

 

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