Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!gem.mps.ohio-state.edu!ginosko!usc!orion.cf.uci.edu!mrichey
From: mrichey@orion.cf.uci.edu (Mike Richey)
Newsgroups: comp.dcom.lans
Subject: Re: Ethernet max length problems
Keywords: repeaters? ethernet too long
Message-ID: <2829@orion.cf.uci.edu>
Date: 21 Sep 89 00:07:07 GMT
References: <634@elan.elan.com>
Reply-To: mrichey@orion.cf.uci.edu (Mike Richey)
Organization: University of California, Irvine
Lines: 20

In article <634@elan.elan.com> jlo@elan.com (Jeff Lo) writes:
>We have a problem.  We currently have a single thin ethernet running through
>our office, with a mix of Unix and DOS machines connected to it.  All of

Yea, boy, okay. Have you tried removing devices to see if one of those 
are causing trouble? There is a limit on the number of _breaks_ that can
be in the thin net segment. By beaks I mean connections with T connectors
and barrel connectors. If you have one station, that has a T. in the thin
net segment there are two _breaks_, one on each side of the T connector.
If you have a barrel connector in the segment, there are two _breaks_.

Each thin net segment is allowed 60 _breaks_. This translates into 30
stations. This is an impedance parameter of thin net. So if you
go beyond the maximum number of _breaks_, whether it be T's,barrels,
or patch cords, they all have an affect.

Michael S. Richey    Internet: mrichey@orion.cf.uci.edu
Bitnet: MRichey@UCI  CompuServe: 71650,3132    Voice: (714) 856-8374
University of California, Irvine    Network and Telecommunication Services
342 Computer Science      Irvine,   CA  92717