Preface

Changes to This Document

lists the technical changes made to this document since it was first printed.

Table 1

Changes to This Document

 

 

 

Revision

Date

Change Summary

 

 

 

OL-5802-06

February 2008

Minor editorial changes.

 

 

 

OL-5802-05

June 2007

This revision updates the two-pole DC power

 

 

requirements.

 

 

 

OL-5802-04

June 2006

The front and rear clearance values for

 

 

installation, service, and airflow have been

 

 

updated in Chapter 4, “Site Planning

 

 

Considerations.”

 

 

 

OL-5802-03

April 2006

Various technical updates were made

 

 

throughout the guide, especially in Chapter 3,

 

 

“Technical and Environmental

 

 

Specifications.” Document titles for the Cisco

 

 

CRS-1 8-slot line card chassis documentation

 

 

set were updated.

 

 

SIP and SPA product IDs were added to

 

 

Appendix B “Product IDs for the Cisco

 

 

CRS-18-Slot Line Card Chassis.”

 

 

 

OL-5802-02

December 2005

Changes were made to external packaging

 

 

dimensions.

 

 

Callout was added to Figure 2-3.

 

 

 

OL-5802-01A

March 2005

The DC power section was updated and new

 

 

information was added.

 

 

Product IDs were added for the redundant

 

 

route processor (RP) and RP memory options.

 

 

The document was updated to reflect that a set

 

 

of horizontal shelf brackets is available as part

 

 

of the installation kit

 

 

(CRS-8-INSTALL-KT=).

 

 

 

OL-5802-01

December 2004

The initial release of this document.

 

 

 

Obtaining Documentation, Obtaining Support, and Security Guidelines

For information on obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and also recommended aliases and general Cisco documents, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

Cisco CRS-1 Carrier Routing System 8-Slot Line Card Chassis Site Planning Guide

 

OL-5802-06

vii

 

Page 7
Image 7
Cisco Systems CRS-1 manual Changes to This Document, Revision Date Change Summary

CRS-1 specifications

Cisco Systems' Carrier Routing System (CRS-1) is a cutting-edge, high-capacity router designed to meet the demands of service providers and large enterprises. Introduced in the early 2000s, the CRS-1 represents a significant leap forward in routing technology, offering unparalleled performance, scalability, and reliability.

One of the primary features of the CRS-1 is its exceptional scalability. The system is built on a modular architecture that allows for easy upgrades and expansions. This enables service providers to start with a configuration that suits their immediate needs while having the flexibility to expand as traffic demands grow. The CRS-1 supports a wide range of line cards, enabling data, voice, and video to be managed on a single platform, which simplifies network management and reduces operating costs.

The CRS-1 leverages advanced technologies that enable it to deliver impressive performance. With the ability to handle up to 92 terabits per second of throughput, the router is capable of supporting a vast number of connections, making it well-suited for large-scale service providers and data centers. This level of performance is powered by Cisco’s proprietary silicon technology, which optimizes the packet forwarding process and enhances overall efficiency.

Another key characteristic of the CRS-1 is its strong focus on reliability and redundancy. The system is designed with high availability in mind, ensuring that it can continue to operate seamlessly even in the event of hardware failures. Redundant components, such as power supplies and route processors, allow the CRS-1 to maintain its performance and uptime, a critical requirement for mission-critical network operations.

Additionally, the CRS-1 supports a wide variety of protocols and technologies, including Internet Protocol (IP), Multiprotocol Label Switching (MPLS), and various service provider features. This versatility makes it a compelling choice for organizations looking to implement advanced networking capabilities, such as Quality of Service (QoS) and traffic engineering.

In summary, the Cisco Systems CRS-1 stands out as a formidable solution for modern routing needs. Its modular design, exceptional scalability, robust performance, reliability, and support for multiple protocols and services make it an ideal choice for service providers and enterprises seeking to future-proof their networks. As the demand for bandwidth continues to surge, the CRS-1 remains a pivotal component in the evolution of networking infrastructure.