Cisco Systems 12006 series Physical and Functional Description, Chassis, RP and Line Card Slots

Chapter 1 Product Overview

Physical and Functional Description

Physical and Functional Description

The main physical components of Cisco 12006 and Cisco 12406 routers and their functions are described in the following sections:

•Chassis, page 1-7

•Multigigabit Crossbar Switch Fabric, page 1-10

•Maintenance Bus, page 1-13

•Route Processors, page 1-15

•Line Cards, page 1-33

•Alarm Cards, page 1-35

•Power Subsystems, page 1-37

•Blower Module, page 1-47

•Air Filters, page 1-49

•Cable-Management System, page 1-50

Chassis

The Cisco 12006 and Cisco 12406 router chassis is an enclosure that consists of two integral card cages and two power module bays. (see Figure 1-1.)

RP and Line Card Slots

The RP and line card cage has six user-configurable slots that support one RP and up to five line cards. Network interfaces reside on the line cards that connect the switch fabric of the router to the external networks. For more information about the role of the RP, see the “Route Processors” section on page 1-15. For more information about the role of the line cards, see the “Line Cards” section on page 1-33.

Note Cisco 12006 and Cisco 12406 routers use line cards that are compatible with other Cisco 12000 series routers.

	Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
OL-11497-03		1-7