3Com SSII ADVANCED RPS POWER MODULE TYPE 3 Installatiehandleiding - Pagina 2

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Introduction

The Type 3 Power Module fits into the SuperStack 3 Advanced RPS

Chassis (3C16071, 3C16071A, or 3C16071B). The module provides

redundant power from the Advanced RPS chassis to the SuperStack 3

Switch 4900 Series.

You can use the Type 3 Modules in three ways:

Standard Usage

Connect the power module to the SuperStack 3 unit using the

standard DC cable supplied with this module. Provide AC mains

supply to the Advanced RPS chassis only. The power module acts

as a highly reliable power supply that can be swapped in the

event of failure.

Managed Redundancy.

Connect the power module to the SuperStack 3 unit using the

standard DC cable supplied with this module. Provide AC mains

supply to both the SuperStack 3 unit and the Advanced RPS

chassis. If the SuperStack 3 unit's internal power supply fails, the

unit auto-enables the Advanced RPS. Alternatively, some

SuperStack 3 units use the Advanced RPS as their default power

supply, and if this fails they revert to their internal power supply.

Check the Getting Started Guide that accompanies your Switch

for more information. This set-up provides a managed redundant

(single module) configuration.

Full Redundancy

Connect two Type 3 Modules to the SuperStack 3 unit using the

optional 'Y' cable (3C16077) available from your supplier. Provide

AC mains supply to the Advanced RPS chassis only. If one, of the

modules fails, the other module will take the full load, and allow

you to "hot-swap" the faulty module, to return the system to full

redundancy. This set-up provides a fully redundant (resilient)

configuration.

CAUTION: If you need to replace a Type 3 Power Module used in a

full redundancy configuration, remove the 'Y' cable connection from

it before removing the module.

CAUTION: An energy hazard may exist on the Type 3 Power Module

DC connector when the Module is in the Advanced RPS chassis.

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