Multigigabit Crossbar Switch Fabric - Cisco XR 12406 Installation Manual

Chapter 1 Cisco XR 12406 Router Overview

Multigigabit Crossbar Switch Fabric

Switch Fabric Card Types
Note
OL-13831-01
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 1-11).
Figure 1-11 Clock and Scheduler and Switch Fabric Card Bays
CSC
CI SC O 12
00 0
SERI ES
GIG AB IT
SW ITC H CSC
RO UT ER
Alarm
cards (2)
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.
To operate the Cisco XR 12406 Router, you must have at least one CSC card
installed, in addition to SFC and alarm cards.
GIG AB
IT RO UT
E PR OC
ES SO R
SFC
SFC
SFC
Cisco XR 12406 Router Installation Guide
Line Cards
1-23