Cisco 2600/2600XM AND 3600 SERIES 8 PORT T1 ATM MODULE WITH IMA 사양 가이드

echnical Information

ATA

HEET

Cisco 2600, 3600 and 3700 Series Multiport T1/E1 ATM Network Modules
with Inverse Multiplexing over ATM

LLOW SERVICE PROVIDER AND ENTERPRISE CUSTOMERS TO COST

EFFECTIVELY INCREASE BANDWIDTH

EXTENDING MULTISERVICE CAPABILITIES TO REMOTE BRANCH

OFFICE LOCATIONS USING

ATM.

Figure 1

Multiport T1/E1 ATM Network Modules with IMA

Introduction

Four multiport T1/E1 ATM network modules with Inverse

Multiplexing over ATM (IMA) are available for the Cisco

2600, 3600, and 3700 series multiservice access platforms.

Available in both four- and eight-port versions, these new

multiport ATM modules allow service provider and

enterprise customers to cost-effectively increase bandwidth,

extending multiservice capabilities to remote-branch-office

locations through ATM.

These multiport T1/E1 ATM network modules with

IMA add to the broad Cisco portfolio of customer premises

equipment (CPE), ATM edge, and central-office products,

that allow branch offices to take advantage of the higher

bandwidth and multiservice capabilities available from ATM

services. These new ATM modules complement the existing

OC-3 and 25-Mbps family of ATM network modules

available for the Cisco 2600, 3600 and 3700 series that now

offer ATM bandwidth from 1.544-Mbps to 155-Mbps.

The high cost and limited availability of long-distance

broadband ATM services have prevented many

organizations from taking advantage of ATM’s high

quality-of-service (QoS) features. In recent years the ATM

Forum has defined lower-speed T1/E1 ATM services, but this

was an incomplete solution because a single T1/E1 often does

not provide sufficient bandwidth to support the additional

requirements of multiservice applications. For this reason,

many organizations find themselves caught between the

bandwidth limitations of narrowband T1/E1 lines and the

much higher costs of moving to broadband links.

In response to this the ATM Forum, with Cisco as an

active member, defined a standard for IMA. Using the Cisco

2600 and 3600 series multiservice platforms to provide IMA

access provides an affordable LAN-to-WAN solution for

branch office, campus and ATM Edge applications.

Multiport T1/E1 IMA modules enable service providers to

deliver critical integrated ATM services combining data,

voice and video with ATM’s guaranteed QoS features.

With multiport IMA deployed as CPE edge, network service

providers can deliver unmatched flexibility in the types of

services they can offer to their customers.