Ethernet Cables?

From: Pete Turnbull <>
Date: Wed Dec 29 11:03:45 2004

On Dec 29 2004, 10:29, John Allain wrote:
> RJ45 type cables also factored in with IBM's Token Ring
> connectivity. There were adaptors, probably Baluns to go
> from the largish connectors to these. This _could_ be one.

Not very likely, though. I think Jim is more likely correct, that it's
a console cable or at least some sort of serial cable. The colours
Marvin mentioned are often used for flat cable; baluns are for twisted

Also, serial cables commonly use a scheme where the innermost two wires
(4,5) are ground, either side are receive and transmit (3,6), and
handshake lines DTR/DSR (or DCD) (2,7) and CTS/RTS (1,8) are at the
edges. By that scheme, Marvin's cable would short DTR to DSR and RTS
to CTS, which makes sense.

Pete						Peter Turnbull
						Network Manager
						University of York
Received on Wed Dec 29 2004 - 11:03:45 GMT

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