Cisco CRS-1 System Description page 14

Chassis Components
Fan tray. The fan tray contains fans that push and pull air through the chassis. A removable air filter
•
is located above the power shelf in the front of the chassis.
The front of the chassis contains the RPs, MSCs, FPs, LSPs, and PLIMs. This is where user data cables
attach to the PLIMs and where cool air enters the chassis. The rear of the chassis contains the fan tray
and the SFCs.
Figure 1-1
view of the chassis.
Figure 1-1
1 PLIM slots
4 Air intake
Cisco CRS Carrier Routing System 4-Slot Line Card Chassis System Description
1-4
shows the front view of the Cisco CRS 4-slot line card chassis and
Cisco CRS 4-Slot Line Card Chassis (Front View)
2 MSC slots
5 Power modules (behind air filter)
Chapter 1 Cisco CRS 4-Slot Line Card Chassis Overview
Figure 1-2
3 RP slots
shows the rear
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3
4
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