EPS 2011-04

3-5

Introducing the HP 620 Redundant and External Power Supply

EPS Port Operation

The HP 620 RPS/EPS has two EPS ports that can provide power to two PoE

switches simutaneously through EPS cables. Each external power supply unit

can provide PoE power to a switch as a primary source or as a backup to a

switch that has its own internal PoE power supply.

Each EPS port operates individually. The HP 620 RPS/EPS has two EPS ports

that can provide up to 398 W of PoE power at 50 VDC each. See “EPS

Connections on the 620 RPS/EPS” on page 5-37.

Supported Switches

For a current list of supported HP switches, see www.hp.com/networking/

support, and enter the document titled <name of document> in the Search field,

Redundant and External Power Supplies Cross Reference Guide for HP

ProCurve Stackable Switches. This document defines which power supplies

are supported on which switches.