HP ProCurve 1600M Manual de planificación y ejecución - Página 13

Navegue en línea o descargue pdf Manual de planificación y ejecución para Interruptor HP ProCurve 1600M. HP ProCurve 1600M 40 páginas. Redundant power supply
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Operating Rules

External Switch Power

If the power to a switch fails, power is provided from the HP 600 RPS/EPS, if

it is available, that is, if the HP 600 RPS/EPS is not already providing power to

a higher priority switch. If two or more devices fail, priority goes to the device

plugged into the lower numbered port on the HP 600 RPS/EPS unit. Conse-

quently the most important switch should be plugged into port one on the HP

600 RPS/EPS. In this state, the "Connected" LED should be ON, and the "Power

Status" LED should be BLINKING on the lower priority RPS port not supplying

power. (For further information refer to the Installation and Getting Started

Guide that came with your HP 600 RPS/EPS unit.)

External Switch Power

The HP 600 RPS/EPS provides external PoE power to up to two switch devices

through two EPS ports, and the HP 610 EPS provides external PoE power to

up to four switch devices through four EPS ports. The amount of PoE power

provided depends on how many switches (one to four) are connected. For

example, using an HP 600 RPS/EPS you can connect one EPS port to a Switch

2650-PWR and connect the other EPS port to an HP ProCurve Switch xl PoE

Module. Or, using an HP 610 EPS device you could connect up to four HP

ProCurve Switch xl PoE Modules, or any number of other variations.

The HP 600 RPS/EPS has one PoE power supply of 408 watts and the HP 610

EPS has two PoE power supplies of 408 watts each that can supply power to

connected switch devices either as the primary source of PoE power, such as

with the Switch xl PoE Module, or as a level of additional PoE power for

devices that have internal PoE power supplies. For the Switch 2626-PWR the

external PoE power is redundant power, used if the internal PoE power supply

fails. However, when both ports of pair A or pair B of the HP 610 EPS, or the

two ports of the HP 600 RPS/EPS are connected to two switches, the supplied

PoE power to each switch is cut in half. In other words, each switch only

receives 204 watts of PoE power.

The same holds true, for example, if you have connected one EPS port to a

Switch 2626-PWR and the other EPS port to an HP ProCurve Switch xl PoE

Module. The 408 watts from the HP 600 RPS/EPS will be split between the two

switch devices. However, if you are using an HP 610 EPS and you connect one

port of pair A to a Switch 2626-PWR and one port of pair B to an HP ProCurve

Switch xl PoE Module, they each will receive 408 watts.

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