Cisco Systems XR 12406 manual Multigigabit Crossbar Switch Fabric, Switch Fabric Card Types

Chapter 1 Cisco XR 12406 Router Overview

Line Cards

Multigigabit Crossbar Switch Fabric

The Cisco XR 12406 Router switch fabric circuity provides synchronized gigabit-speed interconnections for the line cards and the route processor. The switch fabric circuitry resides in five fabric card slots: two for CSCs; three for SFCs (Figure 1-4).

Figure 1-4 Clock and Scheduler and Switch Fabric Card Bays

CISCO 12000 GIGABIT SWITCH ROUTER

AUX

CONSOLE

CSC

CSC

Alarm

cards (2)

GIGABIT ROUTE PROCESSOR

SFC

SFC

SFC

57084

Switch Fabric Card Types

The CSCs are installed in the half-width slots labeled CSC 0 and CSC 1 on the lower left side of the chassis, located directly beneath the route processor and line card cage and directly above the alarm card bays. The three SFCs are installed in the half-width slots labeled SFC 0, SFC 1, and SFC 2 on the lower right side of the chassis.

Note To operate the Cisco XR 12406 Router, you must have at least one CSC card installed, in addition to SFC and alarm cards.

	Cisco XR 12406 Router Installation Guide
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