Compaq Memory Channel Hub manual Removal and Replacement, Introduction

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3 Removal and Replacement

3.1 Introduction

This chapter contains the procedures for removing and replacing the top cover and power supply of the 2T-CCMHA-CB central office Memory Channel hub:

For troubleshooting information and the procedure for removing the CCMLA linecards, motherboard, hub fan assembly, and hub control panel, refer to the Memory Channel Service Information manual.

________________________WARNING __________________________

Before servicing the 2T-CCMHA-CB central office Memory Channel hub chassis or performing any of the following removal and replacement procedures, ensure that the DC On/Off button on the OCP is in the OFF position and disconnect the power cable from the power supply dc input receptacle on the rear of the chassis.

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________________________ACHTUNG __________________________

Vor der Wartung des Gehäuses des 2T-CCMHA-CB Central Office Memory Channel Hub bzw. vor der Durchführung der folgenden Verfahren zum Entfernen oder Auswechseln von Komponenten müssen der On/Off- Netzstromschalter auf dem OCP auf OFF eingestellt und das Netzkabel aus der Netzsteckereingangsbuchse an der Rückseite des Gehäuses gezogen werden.

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DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 3–1

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Contents Installation/Service Guide December Table of Contents Tables Removal and ReplacementOverview How to Use This GuideIntended Audience OrganizationReader’s Comments Related DocumentsConventions Front Components Components and ControlsIntroduction Operator Control Panel Operator Control PanelRear Components Internal ComponentsEnvironmental Requirements SpecificationsPage Site Preparation GeneralUnpacking the Shipment InstallationMounting Hardware and Component List Determining the Installation Area Installing the 2T-CCMHA-CB Central Office Memory Channel HubInstallation Area Attaching the Slide Assemblies to the Cabinet Rails Attaching the Right Slide Assembly to the Cabinet RailsAttaching the Slide Assemblies to the Cabinet Rails Installation Attaching the Inner Slide Races Attaching the Inner Races to the TrayAchtung LJ-06502A.AI7 Mounting the Chassis and Tray Assembly on the Slides Mounting the Chassis and Tray Assembly on the Slides Installing the Interlock System Achtung Interlock System Introduction Removal and ReplacementRemoval and Replacement Removing and Replacing the Top Cover Top CoverRemoving the Power Supply Power SupplyLJ-06514.AI7