Installing The Fan Tray - Cisco ASR 903 Installing Manual

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Installing the Fan Tray

The fan tray is a modular unit that provides cooling to the Cisco ASR 903 Router. Follow these steps to install

the fan tray in the chassis:

Step 1

Orient the fan tray so that the captive screws are on the left side of the fan tray's front panel. The figure below shows

how to orient the fan tray.

Figure 21: Installing the Fan Tray

Step 2

Guide the fan tray into the chassis until it is fully seated.

The fans are exposed on the left side of the fan tray. Keep your fingers, clothing, and jewelry away from the

Caution

fans. Always handle the fan tray by the handle.

When installing the cabling to the RSPs, we recommend that you leave a service loop of extra cabling sufficient

Note

to allow for fan tray removal.

Step 3

Secure the fan tray to the chassis using the attached captive installation screws. The recommended maximum torque is

5.5 in.-lb (.62 N-m).

This completes the procedure for installing or replacing the fan tray in a Cisco ASR 903 Router.

For information about connecting cables to the fan tray alarm port, see

summary of the LEDs on the fan tray, see

Guidelines.

Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide

LED

Summary. For more information about air flow guidelines, see

Installing the Cisco ASR 903 Router

Connecting the Fan Tray Alarm

Port. For a

Air Flow

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