[1980] in linux-net channel archive
Re: Networking without a hub or a router/repeater
daemon@ATHENA.MIT.EDU (Ed Carp)
Sun Feb 25 21:33:08 1996
Date: Sun, 25 Feb 1996 17:37:58 +0000
From: Ed Carp <erc@dal1820.computek.net>
To: Paul Gortmaker <gpg109@rsphy1.anu.edu.au>
cc: linux-net@vger.rutgers.edu
In-Reply-To: <9602252251.AA10738@rsphy6.anu.edu.au>
On Mon, 26 Feb 1996, Paul Gortmaker wrote:
> 50 ohm cable *is* what you want. People who have tried to stuff an
> ethernet signal down 75 ohm "cable T.V." wiring will vouch for that.
> (Mind you I am not sure whether they tried 75 ohm terminators as well. 8)
I sit corrected ;)
> The IEEE 802.2 spec approves coax that is marked as follows:
>
> 802.3 10Base2 (50 ohm, stranded tinned core)
> RG-58 a/u (50 ohm, stranded tinned core)
> RG-58 c/u (50 ohm, stranded tinned core)
>
> The IEEE 802.2 spec does not approve of 50 ohm solid core cables, such
> as RG-58 or RG-58 /u coax.
>
> Belden 8259 is equivalent to RG-58 a/u coax.
If 50 ohm is what you want, might want to try Belden 9913 - the loss for
100 feet is just under 1.5 dB.
I wonder why they don't like solid core coax?
--
Ed Carp, N7EKG Ed.Carp@linux.org, ecarp@netcom.com
214/993-3935 voicemail/digital pager
800/558-3408 SkyPager
Finger ecarp@netcom.com for PGP 2.5 public key an88744@anon.penet.fi
"Past the wounds of childhood, past the fallen dreams and the broken families,
through the hurt and the loss and the agony only the night ever hears, is a
waiting soul. Patient, permanent, abundant, it opens its infinite heart and
asks only one thing of you ... 'Remember who it is you really are.'"
-- "Losing Your Mind", Karen Alexander and Rick Boyes
The mark of a good conspiracy theory is its untestability.
-- Andrew Spring
