Bridge/Router Installation Guide

1-6

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

OL-10971-07

Chapter 1 Overview

Chassis Slot Numbers

Figure 1-4 Cisco CRS-1 4-Slot Chassis Slot Numbering—Rear (SFC) Side

As shown in Figure 1-4, the slot numbers on the SFC side of the chassis include:

• Fan tray

• Card cage, including four reduced-height SFC slots (SM0 to SM3, right to left)

1 Fan tray (FT0) 4 Switch fabric card slot (SM1)

2 Switch fabric card slot (SM3) 5 Switch fabric card slot (SM0)

3 Switch fabric card slot (SM2)

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