Re: Resi CCTV install

["Les George" <les@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

To keep cabling to a minimum you can send 4camera signals down 1 x Cat5
cable using suitable baluns.

"alarman" <alarman2000@xxxxxxxxx> wrote in message
news:I_Qdg.89096$iU2.33023@xxxxxxxxxxxxx
> "Jim" <alarminex@xxxxxxx> wrote in message
> news:1148703949.760233.176550@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >I don't do CCTV on a regular basis. I have a client that I just did an
> > alarm for that wants 4 cameras outdoors for watching the kids by the
> > pool and the driveway. Problem is, he wants to see all 4 cameras from 2
> > locations through his TV's and be able to choose which camera is full
> > screen at each location. Years ago, we'd use a looping video switcher
> > at the first location and a regular switcher at the last location. But
> > that was for commercial and the abundance of cables wasn't an issue. I
> > thought for sure there'd be an easier way to do it now, with all the
> > new video technology out, but I'm finding it to be not so easy. So
> > ..... before going to the CCTV fourms, I thought I see if anyone here
> > has a suggestion.
> >
> > I've considered a modulator but I understand there's some
> > incompatability issues between digital TV signals and analog signals on
> > the same coax. And I guess I'd need four modulators and being it's
> > digital TV I'm not even sure there's that many free channels and no way
> > to know if they're going to remain free. Costly and too many unknowns.
> >
> > Even though they don't want to record the cameras.... I've considered
> > using a low end DVR  with a handheld remote control capability, in the
> > kitchen,  with an infra-red to RF link between the bedroom and the
> > kitchen. But..... I'm not sure about the DVR output being able to be
> > seen on two TV's. And if not ......  is there some way (a device ....
> > amplifier?) to get it to go to 2 TV's?  Problem being .......  the
> > bedroom is on the 2nd floor maybe 100 feet of wire.... away. I don't
> > know about the capablity of baluns.
> >
> > Any suggestions?
> >
> > Also..... Going to use outdoor bullet, cameras,  day/nite, backlight
> > control, automatic infra-red lighting .... 30 to 50 feet.  If someone
> > has a suggestion for a camera of this type ..... I'll look into it.
> > Going to need lenses from 2.8 up to about 5.8 . I know it's safest to
> > use Varifocal but if I can find a line of cameras, with fixed lenses at
> > the settings I need. That's ok too.
> >
> > Any little tidbits of information or suggestions will be useful. Looks
> > like I'm going to have to re-educate myself on CCTV again. I stopped
> > doing CCTV when the cameras still weighed about 5 pounds. There must be
> > a thousand types of cameras to choose from now ........ Jeeeeeeze!
>
> You could use a couple of looping quads, one dedicated to each TV. Take
the
> quad's outputs to the TV's composite video input, and forget modulators.
> This one has a remote:
> http://www.vsscctv.com/SpecSheets/NVQC-41N.pdf
>
> Mini-coax will make cabling easier.
>
> Here's a pretty good hi-res bullet camera with IR's, and you can order
them
> with  4mm fixed, 3.8~9.5mm or 2.5~6mm varifocals.
> http://www.vsscctv.com/ProductDetail.asp?ProductID=453057342
> js
>
>
> >
>
>