Re: Fw: [OT] Phone and data services over cat5

["Matthew Miles" <m_miles@xxxxxxxxxxxxxxxx>]

Cheers Ian!  Thats exactly what I wanted to hear!  As I will be only
one 'tatting' with the infrastructure I will only have myself to blame
for blowing things up - good advice though I will definitely be
labelling all my cables and pairs respectively.

Thanks for the help!

Matt

--- In ukha_d@xxxxxxx, "Ian" <ian@f...> wrote:
> Matt
>
> Given the wiring hell that is the cable infrastructure of most large
> offices... I don't think you have anything to worry about - once you
have
> seen wiring frames with single stranded cables being thrown from
place to
> place like something only a 3 year old and a tin of spaghetti should
be able
> to produce... ;)
>
> I have ran almost every combination going across cat5 at one point or
> another - ethernet + isdn, isdn + 2 pstn, ethernet + pstn, 2 isdn,
isdn +
> cctv... and so on.
>
> The only thing to bear in mind is to be careful, use a cable tester
to make
> sure the wall sockets are wired the way you think they are *before*
plugging
> cables in, and make sure the wiring of the cables is *clearly*
marked (using
> something like the little cable ties with a label "window")
- the
last thing
> you want is someone picking up your super-combo cable and trying to
use it
> as a patch lead.
>
> Some ISDN cards (I have a eicon one) have the "unused"
connectors
grounded,
> so you have to watch for things like that - a good practice is don't
hook up
> the unused pairs to be "tidy" - it could end in tears.
>
> One other thing - don't go across pairs. You won't get (any
noticeable)
> interference running different services across the unused pairs if
they are
> wired properly, but if you used (for example, orange and blue-white
for one
> service, and orange-white and blue for another, you will get
problems (if it
> works at all!)
>
> Ian.
>
> -----Original Message-----
> From: Matthew Miles [mailto:m_miles@b...]
> Sent: 19 March 2005 13:49
> To: ukha_d@xxxxxxx
> Subject: Re: Fw: [ukha_d] [OT] Phone and data services over cat5
>
>
>
> Hi Gareth,
>
> I plan to use the two 'spare' pairs for connection to a BT
Revelation system
> - as I may use systemphones with this in the future I will need all
4 wires
> connected.  My question is that by doing this will I create any
interference
> or degredation of the signal on those wires (caused by signals on
the data
> pairs)?
>
> In summary, is it ok to run 2 signals over 1 cat5 or better to run 2
> seperate cables (the phone part will only ever be used as phone
wiring, so
> it seems a bit wasteful to run it on a seperate cable).
>
> Matt
>
> --- In ukha_d@xxxxxxx, Gareth Cook <g@u...> wrote:
> > You have 4 pairs in a CAT5 - only 2 pairs for ethernet data. So
you
> have 2
> > pairs free - you need a pair for the main line, and a 3rd single
> wire for
> > the ringer.
> >
> > G.
> >
> >  Gareth Cook
> >  SWG EMEA North Account Manager
> >  IBM SWG - BTE Office - Lotus Park, Staines, TW18 3AG
> >  Office: +44 (0)1784 445166 - Mobile: +44 (0)7980 445166  AIM
Chat :
> > TheBoyG - MSN Chat : chat@g...
> >  email: g@xxxxxxx
> >
> >
> > ----- Forwarded by Gareth Cook/UK/IBM on 19/03/2005 13:43 -----
> >
> > Discussion
> > Main Topic
> >
> > "Matthew Miles" <m_miles@b...>
> > Today 13:36
> >
> > .
> > Subject:
> > .
> > [ukha_d] [OT] Phone and data services over cat5 .
> > Category:
> >
> >
> >
> >
> >
> > Just a quick question.  Can I run a phone line over the spare
pairs on
> > a cat5 data run?  i.e use ornage and green pairs for data and
blue
and
> > brown pairs for voice?
> >
> > I can rig them to run together using an old patch panel and
seperate
> > the signals out at the other end to 2 seperate data and voice
modules.
> >  Is this practical?  I don't want to run loads of cables to each
room
> > as I don't plan to expand network connectivity any further than
this
> > (1 per room).
> >
> > Cheers,
> >
> > Matt
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
>
>
>
>
>
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