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Contents
ii Avaya M770 M-ACCF/SF ATM Access Modules User’s Guide
Network Layer Concepts — ATM & ATM Adaptation........................... 15
The Layered Network Architecture ...................................................15
ATM Adaptation Layer (AAL) ...........................................................16
Asynchronous Transfer Mode (ATM) Layer ....................................16
ATM Basics .................................................................................16
ATM is Service Transparent .....................................................17
ATM is Connection-Oriented ..................................................18
ATM Interfaces ...........................................................................21
The ATM Layer and Cell Structure .........................................22
Physical Layer .......................................................................................24
Extending VLANs into the ATM Network .......................................24
Chapter 2 Applications...................................................................................................... 27
Putting Your ATM Network Together.................................................... 27
Planning Your Network .......................................................................27
ATM Configuration Rules ...................................................................... 28
Extending VLANs Through the ATM Network ...................................... 29
ATM Connections Within Your Network .........................................30
Network Configuration Examples.......................................................... 31
ATM Backbone in the Building ...........................................................31
Avaya M770 Multitechnology Functionality ....................................33
Routing in the X-Switch Domain ........................................................34
Chapter 3 Installation......................................................................................................... 35
Installing the M-ACC Module................................................................ 35
Safety Information ................................................................................35
Single-mode Module Laser Classification .........................................36
Multi-Mode Module LED Warning ...................................................36
Agency Approval ..................................................................................36
Device Support ......................................................................................36
Pre-installation Procedure ...................................................................36
Domain Usage Considerations................................................................ 37
Budget Calculation Examples .............................................................37
DRU Budget Information Window ....................................................38
Installing the Module ............................................................................. 39
Connecting a Cable to the ATM Port ......................................40
Removing an Existing ATM Access Module ....................................41
Post-Installation Checks .......................................................................42
Configuring the M-ACC Module............................................................ 43
M-ACC Module Default Settings .......................................................43
Connecting to the Serial Port ...................................................43
Establishing a Telnet Session ...............................................................44