Cabletron Systems STH-22 사용자 설명서

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CHAPTER 1
 
INTRODUCTION
 
Welcome to the Cabletron Systems 
 
STH-22/-24/-42/-44 Stackable Token 
Ring Hub User’s Guide
 
. The STH (Stackable Token Ring Hub) is a non-
intelligent hub designed to provide expanded connectivity for Cabletron 
Systems’ STHi intelligent hubs and Cabletron Systems MicroMMAC 
intelligent hubs. This manual provides installation instructions and 
reference information for STH models 22, 24, 42, and 44.
 
Note
 
: The term STH is used throughout this manual when describing 
features and functions that are common to the above listed STH models.
 
1.1
Using This Manual
 
Read through this manual completely to familiarize yourself with its 
content and to gain an understanding of the features and capabilities of 
the STH. A general working knowledge of IEEE 802.5 Token Ring data 
communications networks and their physical layer components will be 
helpful when installing the STH.
 
 
, outlines the contents of this manual, 
briefly describes STH features, and concludes with a list of related 
manuals.
 
 
installation requirements, network guidelines, and STH operating 
specifications.
 
 
, contains instructions for installing the STH. 
 
 
LEDs to troubleshoot network problems.
 
1.2
STH Overview
 
The STH is a non-intelligent hub which provides expanded connectivity 
for Cabletron Systems’ STHi intelligent hubs and Cabletron Systems 
MicroMMAC intelligent hubs. Each STH added to an intelligent hub‘s 
managed stack increases the LAN’s connectivity by 12 or 24 Trunk