RE: Response Cameras

["Brian G. Reynolds" <brian.g.reynolds@xxxxxxx>]

Guys, is there anyway of telling where this email has been for the last 5
days?

This often happens, they either "get lost" or turn up days later
when the
thread is long forgotten!

B.

> -----Original Message-----
> From: Brian G. Reynolds [mailto:brian.g.reynolds@xxxxxxx]
> Sent: 19 November 2001 21:02
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Response Cameras
>
>
> Looks like no one has responded so I will have a go.
>
> The following is my findings so far with a lot of help from the
> following:-
>
> Patrick L(?) and
> David Paterson,
>
> hope both of you do not mind me cutting and pasting this?
>
> I bought a number of these with SCART connectors in place so I cut
them
> off!!!way to go!
>
> Now as the cameras were all the same make I "stupidly"
assumed the cables
> would be the same colour! WRONG!
>
> So after a lot of head scratching I have come up with this
>
> Green		Power
> Black		Common
> Red		Audio
> Yellow	Video
>
> I have a few other CCTV cameras and the yellow seems the same on
> all of them
> but as for the others.....
>
> This copy below was from Patrick L, hope you do not mind me
> copying it here
> Patrice?
>
>
> > The following applies to the "tail" SCART connector:
> >
> > The SCART plug comes pre-wired as follows:
> >
> > pin 2 (Left Audio In), pin 6 (Right Audio In) - commoned, camera
Red
> > pin 8 (Switching voltage) - camera Brown
> > pin 17 (Composite video out ground) - camera white, power black
> > pin 19 (Composite video out) - camera yellow
> >
> > camera green is connected to power red inside the plug, but
doesn't
> > touch the SCART connector.
> >
> > Summary (if you want to cut the SCART plug off):
> > Camera Red - Audio
> > Camera Brown - Switching voltage (V+ supply?)
> > Camera White - Ground
> > Camera Yellow - Composite Video
> > Camera Green - +ve supply
>
>
> > ---------------------------------------------------------------
> >
> > The following applies to the "tail" SCART connector:
> >
> > The SCART plug comes pre-wired as follows:
> >
> > pin 2 (Left Audio In), pin 6 (Right Audio In) - commoned, camera
Red
> > pin 8 (Switching voltage) - camera Brown
> > pin 17 (Composite video out ground) - camera white, power black
> > pin 19 (Composite video out) - camera yellow
> >
> > camera green is connected to power red inside the plug, but
doesn't
> > touch the SCART connector.
> >
> > Summary (if you want to cut the SCART plug off):
> > Camera Red - Audio
> > Camera Brown - Switching voltage (V+ supply?)
> > Camera White - Ground
> > Camera Yellow - Composite Video
> > Camera Green - +ve supply
> >
> >  --------------------------------------------------------------
> >
> > The following applies to the hardwired SCART connector (colour
codes
> > are different):
> >
> > The SCART plug comes pre-wired as follows:
> >
> > pin 2 (Left Audio In), pin 6 (Right Audio In) - commoned, camera
> > green or white
> > pin 8 (Switching voltage) - power red
> > pin 17 (Composite video out ground) - power black
> > pin 19 (Composite video out) - camera yellow
> >
> > Summary:
> > Camera red - supply +
> > Camera black - supply ground
> > Camera green or white - audio
> > Camera yellow - composite video
> >
> >  --------------------------------------------------------------
> >
> > For cameras with SCART tails, I found it necessary to connect pin
4
> > (Audio Ground) to pin 17 (Composite video out ground) in order to
get
> > a picture on my kit. [This doesn't make much sense, and I think
the
> > response cameras are mis-wired - it suggests the (video, audio)
> > signal grounds are separated from the supply ground. If so, then
they
> > should have commoned the Audio & Video Ground and not relied
on the
> > internal configuration of the kit the camera is connected to to
do
> > this for them].
> >
> > To connect to a composite video source, connect the composite
video
> > signal (pin 19) to the centre of a phono jack. Connect video
ground
> > (pin 17) to the screen/sleeve of the phone jack.
> >
> > To connect take out the audio, connect the audio signal (pin 2 or
6)
> > to centre of the phono jack. Connect supply ground (pin 17) to
supply
> > ground.
> >
> > ----------------------------------------------------------------
> >
> > General approach:
> >
> > The secret to getting composite video out of a camera is in the
> > signal grounding. Everybody seems to do it a little
differently... In
> > the worst case, commoning: pin 17, pin 4 and the camera supply
ground
> > should do the trick. (Usual disclaimers apply)
> >
> > -----------------------------------------------------------------
> > If you want to dismantle a camera and extract the CCD board,
perhaps
> > to mount it in a PIR sensor:
> >
> > Response cameras have two parts - a circuit board in the head of
the
> > unit, which contains the audio components and CCD supply
circuitry,
> > and a separate CCD board in the swivel camera head, which does
the
> > actual "picture bit"
> >
> > Camera Head: Black - supply ground
> > Camera Head: Red - supply +ve (12V nominal)
> > Camera Head: Green - Audio
> > Camera Head: Yellow - Video
> >
> > Camera CCD: Yellow - Video
> > Camera CCD: Black - Supply Ground
> > Camera CCD: Red - Supply +Ve *** 3.5V ***
> >
> > I have also dismantled another camera I bought in the Homebase
sale
> > which is unbranded. The packaging is pretty distinctive -
basically a
> > warning triangle, and the camera housing is a "globe"
shape, for want
> > of a better description - which, whilst not waterproof, looks
like it
> > would withstand the elements particularly well. This camera uses
an
> > all-in-one CCD and audio board, with the same colour codes as the
> > response camera head. The single board approach makes it a much
> > better candidate for PIR integration IMO.
> >
> > The aperture for the lens can be very small - making the camera
very
> > discrete. I used blue tack to mount my camera, allowing for
> > repositioning/aiming once in situ.
> >
> > You do not need to use screened cable to feed the video signal
back
> > to source over short/medium runs of say less than 20m - twisted
pair
> > works just fine.
> >
> >
-------------------------------------------------------------------
> >
> > Scart connections can be found in many places. I found the
numbering
> > of the pins counter-intuitive. This link has a helpful picture
which
> > makes it all clear: http://www.mpeg2-dvb.com/scart.htm
> >
> >
> >
------------------------------------------------------------------
> >
> > Hope this is useful to you all. Mark - if you want to put archive
> > this on your site somewhere feel free.
> >
> > Patrick
>
> > -----Original Message-----
> > From: peter.white@xxxxxxx [mailto:peter.white@xxxxxxx]
> > Sent: 19 November 2001 13:15
> > To: ukha_d@xxxxxxx
> > Subject: [ukha_d] Response Cameras
> >
> >
> > Guys
> >
> > Back in the summer I bought various bits of Response stuff from
> Homebase.
> > Having finally smuggled them into the house, the cameras have
> > different end
> > connectors to the switcher unit (which wants rj45).    The
> > cameras are both TV
> > Eye 4000sc, and the switcher is 4000slb.  The cameras have a
> > mini-DIN socket on
> > the end - anyone know if I can lop this off and put an rj45 on
> > the end instead?
> > The outputs from the camera are:
> > White - audio
> > Yellow - video
> > Black - grnd
> > Red - +12v
> > Blue - trigger
>
>
> And the following is cut from a posting by David Paterson, hope you do
not
> mind David?
>
> I haven't heard of a standard for CCTV, but I recently took apart a
> Response camera (going to be mounted on my telescope) and the colour
> codes they use are :-
>
> Red    : +12V
> Black  : 0V
> Yellow : video
> White  : audio
> Blue   : PIR trigger (where fitted)
> Green  : not used
>
> I've also got a couple of Kingavon cameras at the front and back of
the
> house, and although they have apparently identical connectors I
haven't
> taken one apart to check the colour coding.  Somebody else might have
> though and it would be interesting to see if they're the same, or if
the
> connector pinouts are the same.
>
> HTH,
>
> B.
>
>
>
> For more information: http://www.automatedhome.co.uk
> Post message: ukha_d@xxxxxxx
> Subscribe:  ukha_d-subscribe@xxxxxxx
> Unsubscribe:  ukha_d-unsubscribe@xxxxxxx
> List owner:  ukha_d-owner@xxxxxxx
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>