Chapter 1 Introduction; Features - Cabletron Systems MMAC-Plus 9A128-01 User Manual

Introduction
The 9A128-01 and 9A129-01 ATM Access Modules (shown in Figure 1-1) provide
an ATM Uplink that allows connecting an external ATM network to the
MMAC-Plus.
The 9A128-01 and 9A129-01 are used to connect an external ATM network or
workstation to one of the two FNB networks, FNB-1 or FNB-2, on the
MMAC-Plus FNB backplane. External connections are made via a front panel, 155
Mbps SONET ATM interface.
The 9A128-01 and 9A129-01 are fully compatible with all ATM Forum
specifications, including UNI 3.0, ILMI and LAN Emulation. The 9A128-01 and
9A129-01 act as a ATM Forum LAN Emulation Client, allowing Ethernet, Token
Ring and FDDI users to access an ATM backbone.

Features

Processor
The 9A128-01 and 9A129-01 are equipped with an advanced Intel i960
microprocessor. This microprocessor provides a platform for all management
functions within a scalable RISC-based architecture.
System Management
The 9A128-01 and 9A129-01 interface to the two System Management Buses
(SMB-1 and SMB-10) for intermodule management. Management features include
the following:
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Module Insert/Bypass Control
MAC Placement
Station Management (SMT) Statistics
Bridging Statistics (for all interfaces) including
- Frames Filtered
- Frames Forwarded
- All STA Parameters
Chapter 1
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