Cisco Systems Cisco CRS-1

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Cisco CRS-1 Carrier Routing System 4-Slot Line Card Chassis Installation Guide

OL-10971-07

Chapter 1 Overview

Chassis Components

This section lists the main components of a Cisco CRS-1 4-slot line card chassis. It primarily identifies

the components that are considered field-replaceable units (FRUs), but where additional detail is useful

this section identifies subassemblies that are not field re placeable.

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

1PLIM slots 4Air intake

2RP slots 5Power supplies (behind air filter)

3MSC slots

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