Avici Systems Inc.

Field Replacement Procedure

TSR Bay Controller Module

02133-01 Rev. AB

Before beginning this procedure, carefully inspect the package to ensure no damage occurred during shipping or delivery. If you suspect any possible damage to any field replacement unit, contact Customer Service immediately.

CAUTION When handling modules, wear a grounded antistatic wrist strap or equivalent protection to avoid damaging electronic parts.

This procedure is for the replacement of a bay controller module for the Terabit Switch Router (TSR®).

Support Services

To obtain information on customer service and training, there are three ways to contact Avici Customer Service:

Removing the Bay Controller

To access and replace the TSR bay controller module, it is necessary to remove the front air intake grille. It is not necessary to remove the cooling module.

PROCEDURE: Use the following steps to remove the front air intake assembly:

Step 1 Press and release the cable routing channel door panels on the left and right sides of the bay (front) to open the doors and access the grille.

Step 2 Grasp the face of the grille firmly by the air vents.

Step 3 Pull toward the front of the bay to release the four ball studs from the receptacles holding the assembly in place. Refer to Figure 1.

Figure 1. Front Air Intake Assembly Removal
PROCEDURE: Use the following steps to remove the TSR bay controller:

Step 4 Pull open the ejectors to release the latches on the bay controller module and disengage the module from the backplane and the bay frame. Refer to Figure 2.

Step 5 Pull the bay controller out through the bottom-front of the bay. Figure 2 shows the TSR bay controller module removal.

Step 6 Place the module in the antistatic bag.

Figure 2. TSR Bay Controller Module Removal

Installing the Bay Controller

The bay controller modules are shipped separately and need to be installed.

CAUTION Risk of electrostatic damage. When handling circuit cards, wear a grounded antistatic wrist strap or equivalent protection to avoid damaging electrostatic parts.

PROCEDURE: Use the following steps to install the TSR bay controllers:

Step 1 Disengage the release latches on the bay controller module.

Step 2 Align the bay controller module with the nylon rails above the baseplate.

Step 3 Slide the bay controller modules into the left or right card guides from the front of the bay. Refer to Figure 3.

Figure 3. TSR Bay Controller Installation

Step 4 Engage the latches to seat the connector at the rear of the module firmly in the controller backplane.

Step 5 Repeat Step 1 through Step 4 for the remaining bay controller.

Installing the Front Air Intake Assembly

PROCEDURE: Use the following procedure to install the front air intake assembly:

Step 1 Align the ball studs in the assembly with the receptacles on the bay frame.

Figure 4. Front Air Intake Assembly Installation

Step 2 Carefully press on the front air intake assembly until it snaps in place.

CAUTION To avoid damage to the hardware components during installation, observe the standard electrostatic discharge (ESD) precautions.

Copyright © 2001 Avici Systems Inc.
Avici® and TSR® are registered trademarks of Avici Systems Inc.
IPriori™ is a trademark of Avici Systems Inc.

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    Last Updated: 04/04/01 at 11:26:59

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