25 Aug
2005
25 Aug
'05
12:15 a.m.
-----Original Message-----
From: cctalk-bounces at classiccmp.org
[mailto:cctalk-bounces at classiccmp.org] On Behalf Of Paul Koning
Sent: 24 August 2005 22:17
To: cctalk at classiccmp.org
Subject: Re: DEC cables
Ethernet cable is paired oddly -- it doesn't have pairs
attached to adjacent pins, but the pairs go 1-2, 3-6, 4-5,
7-8. I remember someone trying to do an Ethernet link test
with a full 100 meter spool that was wired to adjacent pairs.
Lots of bit errors...
Anyway, terminal links are slow enough that the pairing isn't
critical. We use Cat5 patch cords here at work for
everything, including UART connections. It works fine.
Thanks Paul, I'll wire them as standard ethernet then, so at least I have a
choice of uses...
Cheers,
Ade.
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