> I have 2 3Com Etherlink III cards. (ISA 16 bit, 10Mbps) There's a 15
> pin D connector (AUI I think is its name) and also a BNC connector.
Nice cards - although check which revision you have. If memory serves, the
3C-509 Rev. A was slightly dodgy. I've got a pair of 509 Rev. Bs here, very
reliable. AUI is indeed the name for the upper 14-pin connector.
> Asking someone "Is the AUI socket electrically the same as a RJ-45
> socket network" he replied yes and the adaptors aren't expensive. So
> does anyone know if this is true, and can I download some specs
> somewhere. [ie the pin-outs so I can make up my own network cables]
Unfortunately, that's not quite correct. The AUI socket is designed for an
external transceiver - at the time those particular cards were designed it was
intended to connect to Thick Ethernet (DIX) which ran on nice thick coax,
which Thin Ethernet uses the smaller coax and BNC. A small cable connects the
AUI port to the external transceiver which hung off the DIX cable. It's now
possible to get other transceivers, e.g. fibre-optic and RJ45 - they are
relatively common and cheaper than replacing the card usually. You should be
able to find them easily enough. I don't think it's as simple as running
wires from pin to pin.
Regards, Web: http://www.geocities.com/SiliconValley/Horizon/8786
Ben A L Jemmett ICQ: 9848866 JGSD e-mail: [EMAIL PROTECTED]
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