Re: Re[2]: Phone frying network

["Paul Robinson" <ukcueman@xxxxxxxxxxx>]

I see, thanks.
Paul

----- Original Message -----
From: "Pete Shew" <ukha_d@xxxxxxx>
To: "UKHA" <ukha_d@xxxxxxx>
Sent: Monday, April 19, 2004 2:08 PM
Subject: Re[2]: [ukha_d] Phone frying network


> I wired the green and orange pairs to pins 1, 2, 3, and 6 and used the
blue pair for
phone.  Using a phone exchange all phones are masters, so two wire is OK,
but the brown
pair could be used too for the antitinkle. I made up RJ45 to flying master
sockets for the
phones with that wiring.
>
> For the Y cable, I routed the green and orange pairs to a RJ45 socket
and the others to
the phone socket.
>
> Totally DC isolation and no problems of accidentally incorrectly
patching.
>
> Pete
>
> *********** REPLY SEPARATOR  ***********
>
> On 19/04/2004 at 11:00 Paul Robinson wrote:
>
> >Was that with a Y connector that left all 4 pairs connected on
both
> >sides? So you still
> >have 50V from the phone going into the network RJ45 (but on the
unused
> >pairs)?
> >
> >Paul
> >
> >
> >----- Original Message -----
> >From: "Pete Shew" <ukha_d@xxxxxxx>
> >To: "UKHA" <ukha_d@xxxxxxx>
> >Sent: Monday, April 19, 2004 10:32 AM
> >Subject: Re: [ukha_d] Phone frying network
> >
> >
> >> I always use the non-ethernet pairs on a cat 5 cable for
phone. It seemed
> >> safer to separate the two services.  I've even used the same
cat 5 with Y
> >> connectors for phone and ethernet at the same time.
> >>
> >> Pete
> >>
> >> *********** REPLY SEPARATOR  ***********
> >>
> >> On 19/04/2004 at 09:39 Paul Robinson wrote:
> >>
> >> >If you accidentally plug a network cable into a telephone
port, you'll
> >> >fry the network
> >> >card (at least). What if you were to wire the telephone
(cat5) sockets
> >so
> >> >that it uses 3
> >> >of the 4 pins unused for networking? Will this save the
PC and network
> >> >card from being
> >> >fried, or are network cards all wired differently wrt the
unused 4 pins?
> >> >
> >> >Thanks,
> >> >Paul