Path: utzoo!utgpu!jarvis.csri.toronto.edu!me!radio.astro!helios!root
From: root@helios.toronto.edu (Operator)
Newsgroups: comp.dcom.lans
Subject: Re: RG58 C/U vs ThinWire Ethernet?
Message-ID: <804@helios.toronto.edu>
Date: 17 May 89 21:03:42 GMT
References: <1026@draken.nada.kth.se> <802@helios.toronto.edu> <13099@ut-emx.UUCP>
Reply-To: sysruth@helios.physics.utoronto.ca (Ruth Milner)
Organization: University of Toronto Physics/Astronomy/CITA
Lines: 20

In article <13099@ut-emx.UUCP> bud@emx.UUCP (C. E. "Bud" Spurgeon) writes:
>In article <802@helios.toronto.edu> sysruth@helios.physics.utoronto.ca (Ruth Milner) writes:

>>We use RG58U for all our thinwire Ethernet segments, and have had no

>The IEEE 10BASE2 spec for thin Ethernet notes that the coaxial cable
>specifications are met by two cable types, RG58A/U and RG58C/U.

[...]

>Plain old RG58/U (Belden 8240) has an impedance of 53.5 ohms and does
>NOT meet the 10BASE2 specs.

It's the RG58C/U we use; apologies for any ambiguity there. I wasn't aware
there was an RG58U as well.
-- 
 Ruth Milner          UUCP - {uunet,pyramid}!utai!helios.physics!sysruth
 Systems Manager      BITNET - sysruth@utorphys
 U. of Toronto        INTERNET - sysruth@helios.physics.utoronto.ca
  Physics/Astronomy/CITA Computing Consortium