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M15-155 Installation Guide 1
Chapter 1
Overview
This installation guide is divided into the following main sections:
• Overview: A general description of the Avaya M15-155F, M15-155SF and
M15 155MS modules, including interfaces, LED indicators, a front panel
illustration and a list of hardware features.
• Installation: Step-by-step instructions for installing the M15-155 in an
Avaya M770 ATM switch.
• Troubleshooting: Suggested solutions for commonly encountered problems.
• Appendix: Port connector pin assignments.
Note: The Command Line Interface (CLI) software setup and control of the
Avaya M770 ATM modules is described in the Avaya M770 ATM Switch User’s
Guide.
Description
There are three 15-port ATM OC-3 modules for the Avaya M770 Multifunction
switch: the M15-155F Multi-Mode Fiber (MMF) module, the M15-155SF Single-
Mode Fiber (SMF) module and the combined M15-155MS module which has 2
Single-Mode and 13 Multi-Mode ports. They provide connection for OC-3 ATM
servers and end stations and act as a backbone between switches.
The M15-155 modules and other M770 ATM switching modules comprise a fully
functional ATM switch within the Avaya M770 Multifunction chassis. There is no
need for a central ATM switching or processing module. The only central module
required is the M-SPV/M-SPX/M-SPS Supervisor module (one or two for
redundancy) for clock generation for all the Avaya M770 ATM modules.
The M770 ATM switch is a high-performance distributed Asynchronous Transfer
Mode (ATM) switch that is designed for building campus backbone applications,
high-performance centralized servers, and power-user environments. Its advanced
architecture can support very high traffic loads with no data loss or breaks in
communication. The M770 ATM Switch also implements LAN Emulation (LANE)
components. LANE enables legacy LAN applications to use a transparent ATM
transport medium. In this way, end-stations on existing LANs can communicate
with ATM end-stations.
The Avaya M770 supports a range of ATM switching modules that enable you to
customize the switch for different applications in your network. The M770 ATM
switch is designed as a software-upgradeable product, so that you can expand the
functionality of the switch by downloading new software.
The M15-155 is manageable with CajunView™, Avaya’s family of SNMP network
management systems, or any other SNMP-based management system.