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Chapter 1 Product Overview
Multigigabit Crossbar Switch Fabric
1-10
Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
OL-11497-03
Multigigabit Crossbar Switch Fabric
Cisco 12006 and Cisco 12406 router switch fabric circuity provides synchronized
gigabit-speed interconnections for the line cards and the RP. The switch fabric
circuitry resides in five fabric card slots: two for CSCs; three for SFCs. (See
Figure 1-3.)
Figure 1-3 Clock and Scheduler and Switch Fabric Card Bays
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 RP 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, Cisco 12006 and Cisco 12406 routers must have at least one CSC card
installed, in addition to SFC and alarm cards.
The CSC contains the following functionality:
SLOT-0
G
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B
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OC
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SLOT-1
COLL
LINK
TX
RX
RJ-45
MII
RESET
AUX
EJECT
CONSOLE
57084
SFC
CSC
CSC
SFC
SFC
Alarm
cards (2)
CISCO 12000
SE
RIES
G
IG
A
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IT
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W
IT
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