3-8
Cisco CRS Carrier Routing System 4-Slot Line Card Chassis Installation Guide
OL-10971-10
Chapter 3 Installing and Removing Air Circulation Components
How to Install or Remove Air Circulation Components
Figure 3-5
Chassis Air Filter
Prerequisites
Before performing this task, you must first remove any chassis front cosmetic covers, the lower chassis
air intake grille and power tray air filter cover (see the
“Installing a Power Tray Air Filter” section on
page 3-10
).
Caution
Never operate the Cisco CRS 4-slot line card chassis without an air filter. Doing so can damage the
hardware.
Required Tools and Equipment
You need the following part to perform this task:
•
Chassis air filter (Cisco product number: CRS-4-FILTER=)
•
Medium flat-blade screwdriver
Steps
To install the chassis air filter, follow these steps:
Step 1
If an air filter is currently in the slot, remove it.
Step 2
Slide the new air filter into the air filter slot until it is seated fully within the slot.
1
Chassis air filter
3
Power tray and power supplies
2
Air intake grille
4
Power tray air filter
ST
AT
US
STAT
US
ST
AT
US
ST
AT
US
158365
1
3
2
4