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Re: Ethernet splitter
- To: ukha_d@xxxxxxx
- Subject: Re: Ethernet splitter
- From: "Ewen Cameron" <ewenjc@xxxxxxx>
- Date: Mon, 28 Jul 2003 16:28:37 -0000
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
I'm using two pairs to open and close roof vents via relays
controlled by Comfort. The other two pairs are ethernet for a DDAR.
By using the splitter the wiring is kept more generic - I currently
have the relays hard wired.
Will ethernet be ok alongside the 12v for the relays? I'm not
opening and shutting them all the time so it's probably not a problem.
--- In ukha_d@xxxxxxx, "Keith Doxey" <ukha@d...> wrote:
> Hi Ewan,
>
> what you have bought is a CAT5 Doubler similar to a Telephone
doubler where
> all pins appear on both sockets.
>
> That is something I searched high and low for before Maplin started
selling
> them so that I could daisychain KAT5 units.
>
> What you were obviously trying to buy was what most other people
sell, a
> CAT5 splitter. Ethernet only uses pairs 2&3 so the splitters take
pairs 2&3
> from the plug to pairs 2&3 of the first socket. They then take
pairs 1&4
> from the plug and connect them to pairs 2&3 of the second socket.
You can
> only ever use these on devices that are connected using the
ethernet pairs
> as any other pins on the sockets dont go anywhere!
>
> If your "toys" both use ethernet to connect up then why not
buy a
cheap hub
> and have the ability to have multiple "toys" at your chosen
location.
>
> Keith
>
> www.diyha.co.uk
> www.kat5.tv
>
>
> > -----Original Message-----
> > From: Ewen Cameron [mailto:ewenjc@xxxxxxx...]
> > Sent: 28 July 2003 14:04
> > To: ukha_d@xxxxxxx
> > Subject: [ukha_d] Ethernet splitter
> >
> >
> > I made the mistake of going into Maplins today and got what I
> > deserved.
> >
> > I ran two cables under our conservatory but one got damaged
> > by the builders.
> > I now have two "toys" to put on one cable so thought
I'd use
> > a splitter as
> > both "toys" only require 2 pairs. When I dismantled
the
> > "TP727 Network
> > double adaptor" it has all wires doubled. I have no idea
how
> > anyone would
> > use one as it allows for two network connections as long as
> > only one PC is
> > on at a time?! Although it is not what I wanted I can easily
> > re-wire it as
> > a splitter.
> >
> > Which pairs / pins does ethernet use? I need some of Keith's
> > famous ASCII
> > art.
> >
> > Regards,
> > Ewen
> >
> >
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