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Chapter 1 Overview
2 Avaya M770 M-ACCF/SF ATM Access Modules User’s Guide
networks. LANE allows users to interoperate with ATM or traditional LAN
based servers over ATM for higher performance and functionality.
ATM Access Module Features
The following list summarizes the ATM access module features. These features are
described in more detail in this guide.
• Conforms to ATM Forum Standards
• OC-12c 622Mbps Interface
— SONET (STS 3c/STS 12c) compliant (SDH STM-1/STM-4)
— Multimode fiber, SC/SM connectors
—Single-mode fiber.
• LAN Emulation (LANE) version 1.0
— 16 Emulated LAN Clients
— 3,740 Virtual Circuits
— 8,000 remote MAC Addresses
• User-To-Network Interface (UNI) version 3.0 and 3.1
• Interim Local Management Interface (ILMI)
• AAL5 ATM Adaptation Layer
• 16 ELAN/VLAN associations (in the range from VLAN 1 to 254)
• Data buffer to store 16,000 ATM cells
• High performance with fast data transfer
— Wire Rate Transmission on ATM port
• Redundant Links from two different modules protect your network against
cable and equipment failure
• For Management you can use:
— Avaya’s CajunView™ SNMP Manager
— TELNET
Avaya M770 Frame Switch Domains
The Avaya M770 supports two Frame Switches, named DomainXs: DomainXL (Left
DomainX) spans slots 1-7, and DomainXR (Right DomainX) spans slots 8-14. Each
DomainX supports up to 6 Gbytes of bandwidth. You can insert the M32-100T into
either DomainX, provided you don't exceed the maximum of 100 Domain Resource
Units (DRUs) per DomainX. Each module uses a certain number of DRUs; the
M32-100T uses 12 DRUs.
M-ACC Module Architecture
The M-ACC module consists of separate X-Switch and ATM entities. The X-switch
CPU connects the M-ACC module to the Avaya M770 X-Domain. The ATM CPU
performs all ATM signalling. Each entity has it’s own embedded software.