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Power Over Ethernet (PoE) Operation

Introduction to PoE

Overview of Operation

An 8212zl 24-port Gig-T PoE module (J8702A) is a PSE device that receives

PoE power from either a ProCurve J8712A Power Supply or a ProCurve

J8713A Power Supply and distributes this power to the PDs connected to the

PoE module’s Gig-T ports.

Note ProCurve recommends using like power supplies in order to guarantee

remaining power if one power supply should fail. For example, use two J8712A

power supplies or two J8713A power supplies in your ProCurve 8212zl switch.

Note You can connect either a PoE device (PD) or a non-PoE device to a port

configured for PoE operation on a J8702A PoE module.

Using the commands described in this chapter, you can:

■ Configure a non-default power threshold for SNMP and Event Log

reporting of PoE consumption on either all PoE ports on the switch

or on all PoE ports in one or more PoE modules.

■ Specify the port priority you want to use for provisioning PoE power

in the event that the PoE resources become oversubscribed.

■ Enable or disable PoE operation on individual ports. (In the default

configuration, each PoE module installed in the switch enables PoE

power on all Gig-T ports in the module, subject to PoE priority if the

PoE resources are oversubscribed.)

■ Monitor PoE status and performance per module.

11-5

HP ProCurve Management And Configuration Guide

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