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Cisco MGX 8230 Edge Concentrator Installation and Configuration
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
Chapter6 Card and Service Configuration
ATM Universal Service Module (AUSM)
ATM Universal Service Module (AUSM)
The MGX-AUSM/B-8T1 and MGX-AUSM/B-8 E1 ATM Universal Servic e Modules are eight port
multipurpose card sets for T1 or E1 lines. This section includes the following instructions for the CLI:
Summary of AUSM Features, page 6-14
Configure the Card, Lines, and Ports, page 6-15
Configure Inverse Multiplexing, page 6-17
Adding and Configuring Connections on the AUSM/B, page 6-17

Summary of AUSM Features

The ATM Universal Service Modules (AUSM) include the following features:
ATM UNI with high port-density for the CPEwith AUSMs in all 8 service module slots, an
MGX 8230 shelf can support up to 64 individual T1 or E1 lines. An individual card set can support
1000 data connections and 16 management connections.
Inverse multiplexing for ATM (IMA) that complies with ATM Forum v3.0 and v3.1the 8-port
AUSM can provide N x T1 or N x E1 logical ports up to maximum rates of 12 Mbps for T1 or
16 Mbps for E1.
Classes of ServiceCBR, ABR, non-real-time VBR, real-time VBR, and UBR with per-VC
queuing on ingress and multiple Class-of-Service queues on egress. ABR includes support of both
ForeSight ABR and standard ABR (TM 4.0 compliant).
Statistics collection.
Virtual path connections (VPCs).
Network synchronization derived from one of its lines.
Bit error rate test (BERT) functionality with loop back pattern generation and verification on
individual lines or logical port. For a description of the BERT functions, see the section titled Bit
Error Rate Testing Through an MGX-SRM-3T3.
1:N redundancy through the optional MGX-SRM-3T3/C card.
Automatic card-restore.
SNMP and TFTP to support card and co nn ec ti on ma na ge m en t.
Resource partitions for individual network control applications.
Note See the ATM UNI Service Module (AUSM) section on page2-15 for additional information on
AUSM features.