Contents
vii
Cisco MGX 8230 Edge Concentrator Installation and Configuration
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
1:N Service Module Redundancy 2-12
Bulk Distribution Mode 2-12
Module Requirements with Bulk Distrib ution and Redundancy 2-13
Installation Requirements for the MGX- SRM-3T3/C 2-13
SRM Illustration and LED Indicators 2-13
ATM UNI Service Module (AUSM) 2-15
AUSM Features 2-15
Quality of Service (QoS) Management 2-15
Inverse Multiplexing 2-15
Physical Layer Features 2-16
AUSM Front Card Illustration and LED De scription 2-17
Back Cards for the AUSM/B 2-18
Frame Relay Service Modules 2-20
Features Common to All FRSMs 2-20
Data-Link Layer fea t ur e s 2-20
Frame Relay features 2-20
ATM FUNI features 2-21
Frame Forwarding Features 2- 21
Redundancy for Frame Service Modules 2-22
Hot Standby 2-22
1:1 Redundancy 2-22
1:N Redundancy 2-22
Connection Types on the FRSM 2-22
Frame Relay-to-ATM Network Interworking 2-23
Frame Relay-to-ATM Service Interworking 2-24
Frame Forwarding 2-26
ATM Frame-to-User Network Interface 2-26
Types of Frame Service Modules 2-27
FRSMs for T1 and E1 Lines 2-27
FRSMs for T3 and E3 lines 2-32
FRSMs for Serial Connections 2-38
Circuit Emulation Service Modules 2-45
CESM for T1 and E1 lines 2-45
CESM T1 and E1 Features 2- 45
CESM for T3 and E3 lines 2-50
Voice Service: The VISM 2-55
VISM Documentation 2-55
Summary of Features Supported with VIS M 2.0.1 2-55
VISM Redundancy 2-57
Card Combinations 2-57