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Date   : Thu, 03 Jun 2010 09:39:09 +0100
From   : itonks@... (Ian Tonks)
Subject: Borked network

For the past 38 years I've wondered what my surname suggests I'm in the habit
of doing and I have finally found someone who could tell me. Rick, how do
you 'tonk' a cable?

Ian

Rick Murray <rick@...> wrote:

>On 02/06/2010 18:27, J.G.Harston wrote:
>
>> I'm in the middle of moving house, and have got enough computer
>> kit at the new place to plug it all together and get it working.
>
>Not a bad looking place, but... I dunno... Those energy-saving bulbs 
>just always seem out of place wherever they are.
>
>
>> Plug all the netowkr cables together and everything complains
>> about 'Network jammed'. Grrr.
>
>Try unplugging all but the machines you actually need, then knock the 
>clock back a bit. You ought to find a rate that provides a slow but 
>functional network.
>
>Actually... I'd first unplug everything, then short out pins on one of 
>the end-of-the-line sockets using a paperclip, and hook a multimeter to 
>the other end of the line to check all is well. A damaged earth line can 
>mess things up, and if my old cable was anything to go by, they're 
>fairly brittle. Also, prone to disconnection in a socket box if the 
>cable was cut and tonked (instead of insulation being stripped, and the 
>tonking done with the cable intact).
>
>
> > Who went and left the terminators plugged into the network in Sheffield?
>
>:-) I'd be looking up a schematic! It's just a few resistors, right? 
>[SJ-style passive terminator] At the very least I'd try to 'salvage' 
>resistors to get similar, poke half-paperclips into at least one end 
>socket, and twist around the resistors to form a circuit [*]. Solder 
>optional, but highly recommended!
>
>
> > Working on two kitchen tables just doesn't do it:
>
>For a true geek, any flat surface will do. ;-)
>
>
>
>Best wishes,
>
>Rick.
>
>* - It might sound horrendous, but those older ones here will no doubt
>     recall that most valve radios were built using stuff kludged
>     together with a lot of bare wires; either printed circuit boards had
>     not been invented, or they were unsafe at valve operating voltages.
>     I also had, a long time ago, a Tektronics dual trace storage scope,
>     also valve era, that was simply astonishing inside. Racks and racks
>     of... I don't know how to describe it. Two rods of ceramic that had
>     gold pits. Components were strung across like a ladder. All arranged
>     so there were rather fewer flying leads than you'd think. Many of
>     the components had gold legs. It was a real work of art, it's a
>     shame it gave up the ghost, was too heavy to bring over (even dead)
>     and I never got photos of the inside.
>     But, um, yes. PCBs are for wimps. :-)
>
>-- 
>Rick Murray, eeePC901 & ADSL WiFI'd into it, all ETLAs!
>BBC B: DNFS, 2 x 5.25" floppies, EPROM prog, Acorn TTX
>E01S FileStore, A3000/A5000/RiscPC/various PCs/blahblah...
>
>
>
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