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DUA1800-0AAA04
Introduction 3-13
Token Ring Bridge
The 2 port token ring bridge connects between two rings and
controls the traffic between the rings. The management interface
is menu driven.
FDDI Modules
To use FDDI Modules, you must have the special MSH model
(3C18001) or have the special backplane (3C18015) fitted to the
basic model (3C18000).
FDDI rings are built from three types of module:
■
an FDDI RingBuilder Module
■
Port Modules
■
Media Modules (optional)
FDDI rings normally contain one RingBuilder Module and several
Port Modules. Up to two Media Modules can be fitted into the
RingBuilder to provide connections to external FDDI devices.
Standard FDDI functions are supported by these modules in all
valid combinations.
FDDI RingBuilder Module
An FDDI concentrator normally contains one RingBuilder and
several Port Modules. Up to two Media Modules can be fitted to
the RingBuilder to provide connections to external FDDI devices.
Up to three RingBuilder Modules may be used in one MSH
chassis, providing up to three FDDI rings. See the RingBuilder User
Guide for the detailed rules governing the positioning of port
modules relative to RingBuilder modules.
Chassis.bk : CHAPTER3 Page 13 Monday, February 10, 1997 1:11 PM