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Page 1-1
CHAPTER 1
Introduction
Welcome to the Cabletron Systems
STHI Intelligent Stackable Token
Ring Hub User’s Guide
. Please read through this manual to gain an
understanding of the features and capabilities of the STHI. A general
knowledge of IEEE 802.5 Token Ring communications networks and their
physical layer components will be helpful.
1.1 Contents of This Manual
Chapter 1,
Introduction
, outlines the contents of this manual, describes
STHI features, and offers leads to further information.
Chapter 2,
Requirements & Specifications
, describes installation
requirements, network guidelines, and STHI operating specifications.
Chapter 3,
Installation
, contains instructions for installing the STHI and
making network connections.
Chapter 4,
Troubleshooting
, describes how to use the LANVIEW LED
system to troubleshoot network problems.
Chapter 5,
Local Management
, describes how to use the Local
Management application.
1.2 STHI Overview
The STHI is an SNMP compliant intelligent hub that provides basic
management functionality including port and station control, statistical
error and trap tracking, and enhanced beacon recovery for a Token Ring
LAN. Its front panel TCU (Trunk Connector Unit) ports allow for network
connections to either active stations or passive Multi-Station Access Units
(MAUs) while its TPIM (Token Ring Port Interface Module) ports allow
for ring expansions across a variety of media. Its rear panel HubSTACK
ports provide for ring expansion through connections to multiple STH
non-intelligent hubs. See Figure 1-1.