Cisco XR 12410 User Manual

Page 16

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Chapter 1 Product Overview

Physical and Functional Description of Router

1-2

Cisco XR 12410 and Cisco XR 12810 Router Installation Guide

OL-17441-01

•

Switch fabric and alarm card cage—Located behind the air filter door, this
card cage contains 7 slots for the switch fabric card set, and two slots for
alarm cards. The switch fabric card set is made up of five switch fabric cards
(SFCs) and two clock scheduler cards (CSCs). See the

“Switch Fabric and

Alarm Card Overview” section on page 1-9

for additional information.

•

Power Entry Modules—Either two AC power entry modules (PEMs) or two
DC PEMs provide power to the router. See the

“AC and DC Power

Subsystems” section on page 1-5

for additional information.

•

Chassis backplane (not shown)—Distributes power to the chassis
components.