Cisco Systems Cisco CRS-1 Manual De Usuario
3-7
Cisco CRS-1 Carrier Routing System 4-Slot Line Card Chassis Installation Guide
OL-10971-07
Chapter 3 Installing and Removing Air Circulation Components
How to Install or Remove Air Circulation Components
Required Tools and Equipment
You need the following tools to perform this task:
•
ESD-preventive wrist strap
•
Large flat-blade screwdriver
Steps
To remove a fan tray, follow these steps:
Step 1
Attach the ESD-preventive wrist strap to your wrist and connect its leash to one of the ESD connection
sockets on the rear (SFC) side of the chassis or a bare metal surface on the chassis.
sockets on the rear (SFC) side of the chassis or a bare metal surface on the chassis.
Step 2
Using the large flat-blade screwdriver, loosen the four captive screws on the fan tray (one for each
corner).
corner).
Caution
A fan tray weighs approximately 16 lb (7 kg.). Use two hands when handling a fan tray.
Step 3
Grasp the fan tray by the handles and pull it gently straight out to disconnect the fan tray from the
connector mounted on the back of the fan tray.
connector mounted on the back of the fan tray.
Step 4
Remove the fan tray completely from the fan tray bay. Set the fan tray safely aside.
Caution
Do not set the fan tray down on the connector; doing so could damage it.
Installing the Chassis Air Filter
This section describes how to install the air filter in the Cisco CRS-1 4-slot line card chassis. For further
information, see the
information, see the
. For complete information
on regulatory compliance and safety, see Cisco CRS-1 Carrier Routing System Regulatory Compliance
and Safety Information.
and Safety Information.
The Cisco CRS-1 4-slot line card chassis has a serviceable air filter that plugs into the front (PLIM) side
of the chassis (see item number 1 in
of the chassis (see item number 1 in
) just inside the air intake slot. During operation, the air
filter access is hidden by the lower chassis grille.