RE: CAT 5

["Rob Mouser" <rmouser@xxxxxxx>]

Ahhhh Tony

Thanks exactly what I meant, see it was perfectly clear (Not!).

As previously posted, I will now wake up and engage my brain before
typing begins :-)

I wish I was still on holiday :-(
I wish it was sunny :-(
I wish the wine was cheaper here :-( and the food :-(
And I WISH THE BL**DY electricians would finish wiring my house so I
could get on and play :-(

-----Original Message-----
From: BUTLER, Tony, FM [mailto:tony.butler@xxxxxxx]
Sent: 12 June 2002 13:51
To: 'ukha_d@xxxxxxx'
Subject: RE: [ukha_d] CAT 5


Graham,

Franks message earlier seemed to make sense - A at one end and B at the
other would give you x-over.
Rob OTOH, seems to be on another planet :-)
I think what he means is:
Patch panel to socket: A to A
Hub/switch to hub/switch: A to B (unless said item has an 'uplink'
switch,
so you use an A cable & let the device do the x-over internally).
PC to PC: A to B

What you say is also correct - for straight through wiring, it doesn't
make
a difference as long as you use the same standard throughout.
(some of my sockets are still x-overed due to incorrect colour coding,
but
too lazy to fix as are in 'just case' locations and unlikely to be
used.
Note to self: check any unused socket before you do attempt to use it!)

Hopefully this is clear all round!

Tony

> -----Original Message-----
> From: Graham Howe [mailto:graham@xxxxxxx]
> Sent: 12 June 2002 13:45
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] CAT 5
> 
> 
> I am no expert here, but I am sure this is not correct. 
> Neither A nor B
> would create a cross-over cable if both ends of the cable were
> terminated to the same standard. All my wiring happens to be B, for
no
> reason other than that was the first one I came across. As I 
> think Mark
> said earlier, as long as you choose one standard and stick to it
then
> there is no difference at all. Cross-=-over cables are created by
not
> having the same termination on each end.
> 
> Regards
> 
> Graham
> 
> > -----Original Message-----
> > From: Rob Mouser [mailto:rmouser@xxxxxxx] 
> > Sent: 12 June 2002 12:34
> > To: ukha_d@xxxxxxx
> > Subject: RE: [ukha_d] CAT 5
> > 
> > 
> > A = Straight through
> > B = Cross Over Cable.
> >  
> > Almost always A in standard CAT5 wirring, however B is used 
> > to go from hub to hub or in a 2 PC link (i.e PC to PC, no 
> > hub.) (Also note that many hubs/switches have a port that can
> > be switched and thus an A cable can be used as it crosses the
> > pairs internally instead.)
> > 
> > -----Original Message-----
> > From: Frank Mc Alinden [mailto:armagh@xxxxxxx]
> > Sent: 12 June 2002 09:51
> > To: ukha_d@xxxxxxx
> > Subject: Re: [ukha_d] CAT 5
> > 
> > 
> > In the Dick Smith Catalogue they show both plugs and as 
> > mentioned B has a crossover . They described it like the 
> > rs232 null modem cable (hopefully i got that right) . A would
> > normally be used and B would be used on one end of a cat5 
> > going between two computers .Thats how i read it?
> >  
> > Frank Mc
> > 
> > ----- Original Message ----- 
> > From: Ian  <mailto:ian.wallace@xxxxxxx> Wallace 
> > To: ukha_d@xxxxxxx <mailto:ukha_d@xxxxxxx>  
> > Sent: Wednesday, June 12, 2002 7:06 AM
> > Subject: [ukha_d] CAT 5
> > 
> > Can any one tell me the difference between T568A and T568B 
> > and which method I should be using for a patch panel?
> >  
> > Thanks
> > 
> > 
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