Removing And Replacing The Fan Tray - Cisco ASR 903 Installation Instructions Manual

Removing and Replacing the Fan Tray

SUMMARY STEPS
1. Orient the fan tray so that the captive screws are on the left side of the fan tray's front panel. This figure
shows how to orient the fan tray.
2. Guide the fan tray into the chassis until it is fully seated.
3. Secure the fan tray to the chassis using the attached captive installation screws. The recommended maximum
torque is 5.5 lbf/sq in.
DETAILED STEPS
Step 1
Orient the fan tray so that the captive screws are on the left side of the fan tray's front panel. This figure shows how to
orient the fan tray.
Figure 13: 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.
Step 3
Secure the fan tray to the chassis using the attached captive installation screws. The recommended maximum torque is
5.5 lbf/sq in.
For information about connecting cables to the fan tray alarm port, see the
page 65 section. For a summary of the LEDs on the fan tray, see the
airflow guidelines, see the
Removing and Replacing the Fan Tray
The fan tray supports online insertion and removal (OIR). There is no need to power down the Cisco ASR
903 Router as a satellite shelf to remove or replace the fan tray. However, the router will shut down if the fan
tray is removed from the chassis for more than five minutes.
Cisco ASR 9000 Series Aggregation Services Router Satellite Systems Installation Guide
32
AirFlow Guidelines, on page 11
Installing the Cisco ASR 903 Router as a Satellite Shelf
Connecting the Fan Tray Alarm Port, on
Fan Tray LEDs section. For more information about
section.