RE: Re: Sky Digital wiring woes

["Hawes,Timothy Edward (GEG)" <haweste@xxxxxxx>]

My setup is similar to yours, although the total length is approx. 30m.
20m
of "good" quality CT100 to node zero, in-line F-plug connector
then 10m of
B&Q "CT100", in-line F-plug connector (@ the wall plate) then
a short patch
lead into the digibox.

Just one further thought - check to see there aren't any kinks in any
of
your cables. When I first put my dish up I couldn't get a signal at all.
I
presumed it was due to trees so moved the dish. When I recently removed
the
cable I found a _massive_ kink in it. Whether this was the cause of no,
or
it really was the trees I don't know, but might be worth checking.

Cheers,

Tim H.

-----Original Message-----
From: bquinn123456 

Thanks Tim,
I'd say the max cable run is 40M.

I done the continuity test's using a coax testing kit. (one box 
connects to one end of the cable and sends a pulse down the cable. 
Then a second unit checks to see if there is a pulse). that test was 
fine.

Thanks for your explanation of shorts testing... saves me looking in 
the wardrobe!!

Cheers,
Brian Q

--- In ukha_d@y..., "Hawes,Timothy Edward (GEG)"
<haweste@a...> wrote:
> Brian,
> 
> Sounds like you've got a fault in your 'wiring' somewhere. CT100 
should a
> good enough spec. How long is each cable length ? How are you 
joining the
> lengths of cable together ?
> 
> Re: testing for shorts (no...the other kind ;-) ) Here's how I do 
it. 
> Disconnect the cable from the LNB and digibox !! I set my 
multimeter to it's
> "continuity" setting then test it beeps by touching the
probes 
together.
> Next I test that it's "sensitive" (?) enough by touching the
probes 
to
> either end of a single strand of copper braid (some of the stuff 
that
> invariably comes off when fitting the F plugs. Next, carefully 
touch one
> probe to the centre conductor and the other to the outer case of 
the F plug,
> there should be _no_ continuity observed i.e. no beep. re-check the
meter by
> removing the probes and touching them together (as per the first 
test) the
> meter should beep again. Check each length of cable individually, 
then check
> two lengths together, then the whole run.
> 
> Incidentally, how did you check for continuity in the first place,
and are
> you sure you didn't just prove you've got a short ?
> 
> Finally, I don't think a regular aerial booster will be much use.
> 
> HTH,
> 
> Tim H.
> (no satellite expert, just what I've picked up as I go along)
> 
> -----Original Message-----
> From: bquinn123456 
> 
> I used CT100 that's good enough right?
> 
> Would a standard aerial amp be of any use to boost the
> signal?
> 
> --- In ukha_d@y..., "Dave Marley" <dave@d...>
wrote:
> > ----- Original Message -----
> > From: "bquinn123456" <bquinn@i...>
> > > Dave,
> > > Is there anyway I could boost the signal? in case the
cable
> > > run is too long?
> > 
> > Yes, I think you can get amplifiers, but I don't know much about
> them.
> > 
> > Having read your original message again, I notice that you aren't
> even
> > getting a signal in your wiring closet. What sort of cable is
used 
> from the
> > attic to the wiring closet? It may be worth getting some good
> quality
> > satellite cable and wiring straight from your dish to your wiring
> closet
> > (and ideally down to the sitting room with no connectors if
that's
> > possible), or at least replacing the attic -> wiring closet
cable 
> unless you
> > know that it's good quality.
> > 
> > Dave
> 
> 
> +



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