Cisco Router XR 12416 Installation Manual page 2

Physical and Functional Description of Router
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Cisco XR 12416 and Cisco XR 12816 Router Chassis Installation Guide
1-2
Upper Line card and Route Processor card cage—Has 8 user-configurable
slots that support a combination of line cards, a route processor (RP), and an
alarm card. See the "Alarm Card and Line Card Overview" section on
page 1-18 for additional information.
Switch fabric card cage—Located behind the air filter door, this card cage
contains 5 slots for the switch fabric card set. The switch fabric card set is
made up of 3 switch fabric cards (SFCs) and 2 clock scheduler cards (CSCs).
See the "Switch Fabric Overview" section on page 1-16
information.
Lower Line card and Route Processor card cage—Has 8 user-configurable
slots that support a combination of line cards, a redundant route processor
(RP), and an alarm card. See the
section on page 1-18 for additional information.
Lower blower module—Supplies cooling air to the lower half of the router so
it does not overheat. See the
additional information.
Chassis backplane (not shown)—Distributes power to card cages and to the
blower modules.
Chapter 1
"Alarm Card and Line Card Overview"
"Blower Module" section on page 1-36
Product Overview
for additional
for
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