Re: Re: Networking problems.

[Stuart Grimshaw <stuart@xxxxxxxxxxxxxxxx>]

On Wed, May 12, 2004 at 08:50:39AM -0000, Patrick Lidstone wrote:
>
> > Any other ideas? I'm stumped.
> >
>
> Go back to basics - and "divide and conquer".
>
> Buy two new sockets and a proper punch down tool. Disconnect existing
> wall socket and punch down new socket on a bad cable. Test. If it
> doesn't work, disconnect at patch panel end and punch down second
> socket. Test. If that doesn't work, then check that you have the same
> cable at each end (perhaps using a battery and bulb -   or more
> sophisticated test gear if you have it. Connect battery across a pair
> at socket end - ideally direct to the wire - and probe with bulb, but
> ensure all kit is disconnected from patch panel first).

All the cables test ok with a basic network tester, there are no crossed
wires, and no broken pairs.

> At the end of the day, it's only wire and sockets - it's no more
> complicated than wiring phone extensions. FWIW I'd put my money on
> the cables either not being punched down correctly, or being mis-
> labelled (which sounds like a complete nightmare with so many
> points). (One final outside possibility is that the cables have been
> fractured through rough handling, but it's pretty hard to do.)

The netowrking guy here at work also suggested the patch panel, but we took
the panel out of the equation by putting a plug on the end of the cable and
putting that directly into the hub, of course we could have wired that plug
wrong ...

--

-S