Supplementary Manual

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7-Slot Chassis Fan Tray

Removal and Replacement

Guide

For the CoreBuilder

™

9000 Enterprise Switch

This document describes how to remove and install a fan tray (Model

Number 3CB9EF7) for the CoreBuilder

™

9000 Enterprise Switch 7-slot

chassis.

WARNING: The CoreBuilder 9000 fan tray must be installed and

removed only by trained service personnel.

Fan Tray Description

The CoreBuilder 9000 Enterprise Switch 7-slot chassis contains one fan

tray, which contains four fans that cool the Switch (Figure 1).

Figure 1

Location of the Fan Tray in the CoreBuilder 9000 7-slot Chassis

CoreBuilder



9000

Fan tray

Summary of content (12 pages)

PAGE 1
7-Slot Chassis Fan Tray Removal and Replacement Guide For the CoreBuilder™ 9000 Enterprise Switch This document describes how to remove and install a fan tray (Model Number 3CB9EF7) for the CoreBuilder™ 9000 Enterprise Switch 7-slot chassis. WARNING: The CoreBuilder 9000 fan tray must be installed and removed only by trained service personnel. Fan Tray Description The CoreBuilder 9000 Enterprise Switch 7-slot chassis contains one fan tray, which contains four fans that cool the Switch (Figure 1).
PAGE 2
7-SLOT CHASSIS FAN TRAY REMOVAL AND REPLACEMENT GUIDE There are no user-serviceable parts on the fan tray. If the component fails, remove it as described in this document and return the component to your supplier. Keep replacement fan trays at your site so that they are available if needed.
PAGE 3
7-Slot Chassis Fan Tray Removal and Replacement Guide Figure 3 3 Removing the Fan Tray Using the Handle Spring-loaded screw R 9 8 Fan tray handle 7 6 5 4 3 2 1 Spring-loaded screw CAUTION: Before you completely remove the fan tray, wait until all the fans in the fan tray stop rotating. 3 Carefully pull the fan tray straight out from the chassis. Installing a Fan Tray Follow the instructions in this section to unpack and install a new fan tray.
PAGE 4
7-SLOT CHASSIS FAN TRAY REMOVAL AND REPLACEMENT GUIDE Installing You can install a new fan tray in your CoreBuilder 9000 chassis while the power is on. To install a new fan tray: 1 Grasp the handle on the fan tray and then face the front of the chassis. 2 Locate the connector on the fan tray (Figure 4). Figure 4 Fan Tray Connector Fan tray connector Handle 3 Slide the fan tray into the chassis (Figure 5), using the guides in the chassis.
PAGE 5
7-Slot Chassis Fan Tray Removal and Replacement Guide Figure 5 5 Installing the Fan Tray into the Chassis Using the Handle Spring-loaded screw R 9 8 Fan tray handle 7 6 5 4 3 2 1 Spring-loaded screw 4 Align the fan tray connector (Figure 4) and the backplane connector. 5 Gently push the fan tray inward until the connectors engage. You feel a slight resistance as the connectors engage.
PAGE 6
7-SLOT CHASSIS FAN TRAY REMOVAL AND REPLACEMENT GUIDE The fans begin rotating the moment that you power on the chassis or that you insert the fan tray into a powered-on chassis. 8 Visually inspect all installed fans to verify that each is turning without interruption. If a fan is not running, shut the power off and remove and reinsert the fan tray.
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3Com Corporation LIMITED WARRANTY The duration of the warranty for the CoreBuilder™ 9000 Enterprise Switch 7-slot Chassis Fan Tray (3CB9EF7) is 1 year.
PAGE 11
OBTAINING WARRANTY SERVICE Customer must contact 3Com’s Corporate Service Center or an Authorized 3Com Service Center within the applicable warranty period to obtain warranty service authorization. Dated proof of purchase may be required.
PAGE 12
3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 Copyright © 3Com Corporation, 1998. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without permission from 3Com Corporation.