
Chapter 1 Overview
Chassis Components
Chassis Components
This section lists the main components of a Cisco 
Figure 1-1 and Figure 1-2 show the Cisco CRS-1  4-slot  line card chassis from both the front (PLIM) and rear (SFC) sides.
Figure 1-1  Front (PLIM) View of Cisco CRS-1  4-Slot  Line Card Chassis
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| 1 | PLIM slots | 4 | Air intake | 
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| 2 | RP slots | 5 | Power supplies (behind air filter) | 
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| 3 | MSC slots | 
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Cisco 
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