Enterasys Networks SecureStack C2RPS-CHAS2 Manuel d'utilisateur télécharger pdf (Page 20)

RPS Deployment Strategies

1-4 Introduction

RPS Deployment Strategies

TheRPScanbedeployedinavarietyofsituationswithmission‐criticalapplications.

For example:

•ForuseinavoiceanddatanetworkwhereswitchesareconnectedtoIPphonesand

PCs.ConnectinganRPStotheswitchescanpreventvoicenetworkfailurescausedby

switchpowerfailures.

•Forusein

traditionaldata10/100/1000Ethernetswitchescarryingmission‐critical

data.

Figure 1‐6showsanexampleoftheRPSprovidingredundantpowerbackupfortwo

SecureStackC2switches.IfaSecureStackC2switchdeviceexperiencesaninternalpower‐

supplyfailure,thefollowingoccurs:

1. TheinternalDC‐powersourceoftheswitchdeviceis

immediatelyswitchedover

fromtheinternalDC‐powersupplytotheRPSDC‐powerinput.

2. Theswitchdevicesavesthisstatusinformationforfutureretrieval,ifnecessary.

Figure 1-6 RPS Supporting Two SecureStack Switches

1 C2RPS-CHAS2 chassis (front view with two PSMs) 3 SecureStack C2 Ethernet switches

2 C2RPS-PSM Cables for 12 Vdc and status

information from PSMs

Note: The C2RPS-PSMs used in C2RPS-CHAS2 are interchangeable with those used in

the C2RPS-CHAS8 chassis available from Enterasys Networks.

CONSOLE

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CPU

RPS

MASTER

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C2G124-24

CONSOLE

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CPU

RPS

MASTER

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C2G124-24

C2RPS-CHAS2

C2RPS-PSM

Power

C2RPS-PSM

Power

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Enterasys Networks SecureStack C2RPS-CHAS2 Manuel d'utilisateur Page 20