Chapter 1 Product Overview
Physical and Functional Description of Router
•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 1-18for 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 1-16for additional 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 “Alarm Card and Line Card Overview” section on page 1-18for additional information.
•Lower blower module—Supplies cooling air to the lower half of the router so it does not overheat. See the “Blower Module” section on page 1-30for additional information.
•Chassis backplane (not shown)—Distributes power to card cages and to the blower modules.
| Cisco XR 12416 Router Installation Guide |
1-2 | OL-13833-01 |
