Chapter 2 Functional Description; Router Operation - Cisco ASR 9000 series Reference Manual

Aggregation services routers

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Functional Description

This chapter provides a functional description of the Cisco ASR 9000 Series Router, the Route Switch

Processor (RSP) cards, the Ethernet line cards, the power and cooling systems, as well as various

subsystems, such as management and configuration, and alarms and monitoring.

This chapter includes the following sections:

•

The Cisco ASR 9000 Series Router are fully distributed routers using a switch fabric to interconnect a

series of chassis slots, each of which can hold one of several types of line cards. Each line card in the

Cisco ASR 9000 Series has integrated input/output (I/O) and forwarding engines, plus sufficient control

plane resources to manage line card resources. Two slots in the chassis are reserved for RSP cards to

provide a single point of contact for chassis provisioning and management.

Figure 2-1

OL-17501-01

D R A F T — C I S C O C O N F I D E N T I A L

Router Operation, page 2-1

Route Switch Processor Card, page 2-3

Ethernet Line Cards, page 2-11

Power System Functional Description, page 2-19

Cooling System Functional Description, page 2-30

System Management and Configuration, page 2-35

shows the platform architecture of the Cisco ASR 9000 Series Router.

Cisco ASR 9000 Aggregation Services Router Overview and Reference Guide

C H A P T E R

2-1

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