3Mb Ethernet

From: Lawrence Walker <lgwalker_at_look.ca>
Date: Mon Apr 23 14:40:53 2001

 I have a PureData Arcnet hub that I picked up in a thrift. It has 8BNC
connectors and 2 RJ11's labelled Arclink. It's dated Aug/90.
 It came with a fuse missing and I've never had the occasion or motivation to
check it out, nor the Arcnet NICs for that matter.

larry

>
> --- Iggy Drougge <optimus_at_canit.se> wrote:
> > Arcnet is AFAIK 2 Mb and another protocol without relation to Ethernet.
> > Ain't that so?
>
> Yes. ARCnet is another protocol, entirely. It is a token-passing protocol, with
> either a star topology (a simple "hub" is four BNC connectors connected together
> with maybe a resistor per connector thrown in. More machines than that and you
> have to use an active hub), or, later, an RS-485-based twisted pair
> interconnection scheme.
>
> I don't recall the bitrate, but it's much less than 10Mb.
>
> I have some ARCnet cards for PC and one for the Amiga 500. It was popular
> for a while for early LAN parties because when DOOM came out, there was IPX
> support and ARCnet cards were cheap and easy to set up.
>
> -ethan
>
>
>
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