Cisco VIC-2FXO - 3600 Voice Interface Card-Fxo 2600/3600 Manual de usuario Pagina 14

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Copyright © 1999 Cisco Systems, Inc. All Rights Reserved.
Page 14 of 16
ATM Access
With support for Inverse Multiplexing over ATM (IMA)
technology, the Cisco 2600 Series provides the widely accepted
advantages of ATM at sub T3/E3 rates, including flexibility,
management, expandability, interoperability, and guaranteed
Quality of Service (QoS). The Cisco 2600 Series enables network
designers and managers to quickly deploy and scale bandwidth to
meet their specific needs using multiple T1 or E1 connections
instead of a more expensive T3/OC-3 fiber to establish
connectivity between LANs and remote offices. By integrating
multiport IMA technology in a highly manageable single box
multiservice CPE solution, the Cisco 2600 allows service
providers to utilize their current network infrastructure to
seamlessly deliver new services and applications.
As part of an end to end Cisco ATM solution, the Cisco 2600
in Figure 12 exemplifies a typical inverse multiplexing over ATM
application using the four port T1/E1 IMA network module
providing a scalable ATM connection to regional and corporate
networks. Interoperability between Cisco 7200, 7500, 3600,
2600, LS1010, IGX and MGX platforms is ensured by using ATM
IMA forum version 1.0. Unlike software multi-link approaches,
Cisco’s high performance hardware-based IMA technology also
provides a more manageable higher bandwidth WAN connection.
Figure 12 ATM Access
ATM Core
Cisco
LS 1010
Cisco 2621
Cisco 3600
T1/E1
ATM
IMA
T1/E1
ATM
IMA
T1/E1
ATM
IMA
Headquarters
Headquarters
Regional Office
Cisco
MGX 8850
Cisco
7500/7200
Cisco
MGX 8220
Cisco
MGX 8220
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