Physical Description - Cisco 7200 VXR router User Manual

Cisco 7200 VXR
Product Overview
This chapter provides physical and functional overviews of the Cisco 7200 VXR routers.
Descriptions and examples of software commands are included when they are necessary for
replacing, installing, configuring, or maintaining the router hardware.
The following sections describe router hardware, major components, and functions of
hardware-related features:
•
Cisco 7204VXR Overview on page 5
•
Cisco 7206VXR Overview on page 8
•
Field-Replaceable Units on page 12
•
Functional Overview on page 46

Physical Description

The Cisco 7200 VXR routers are the newest, multiservice members of the Cisco 7200
series routers. The Cisco 7200 VXR routers include the Cisco 7204VXR (4-slot router) and
the Cisco 7206VXR (6-slot router). The Cisco 7200 VXR routers are designed to support
gigabit capabilities and to improve data, voice, and video integration in both service
provider and enterprise environments.
The Cisco 7200 VXR routers incorporate an integrated Multiservice Interchange (MIX)
capability to support future voice applications. MIX interconnections on the midplane
provide the ability to switch DS-0 timeslots between multichannel T1 or E1 interfaces,
much like a digital cross-connect or an add-drop multiplexer. This feature enables the
Cisco 7200 VXR routers to switch DS-0 voice channels on a T1 or E1 interface from one
C H A P T E R
Cisco 7200 VXR Product Overview 1-1
1