Thicknet/10base5 Test Segment: The Cable is In!

systems_glitch systems.glitch at gmail.com
Fri Aug 31 14:32:45 CDT 2018


Allied Telesis made a "multi port tap" that provided four AUI ports off a
single Ethernet tap. I don't know if it was a repeater/hub inside, or what.
It was much smaller than a DELNI or DEREP.

Thanks,
Jonathan

On Fri, Aug 31, 2018 at 3:33 PM Paul Koning via cctalk <
cctalk at classiccmp.org> wrote:

>
>
> > On Aug 31, 2018, at 3:25 PM, Grant Taylor via cctalk <
> cctalk at classiccmp.org> wrote:
> >
> > On 08/31/2018 01:07 PM, systems_glitch via cctalk wrote:
> >> Yeah, I forget what the original allowed length was for drop cables,
> but I seem to remember it striking me as quite long! A few feet of CAT5 (or
> even better, STP) has a lot of wiggle room :P
> >
> > I think I've seen reports of multi AUI port taps.  Correct?
>
> You may be thinking of the DELNI, a multi AUI hub.  Not a repeater,
> apparently.  DEC also made a repeater in that era, the DEREP -- just two
> ports.  That may be why the DELNI was built, as a way to get more fanout
> without the complexity of a multiport repeater built out of discrete
> electronics.
>
> > Could you have one multi-port tap in a computer lab (of 5 ~ 20 machines)
> and connect them all to the single tap?  Sort of like what is done with
> 10BaseT cables to a hub in the room?
>
> Yes, the DELNI allowed for that, you'd plug in up to 8 NICs and then
> connect the uplink port to a transceiver.
>
>         paul
>
>


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