Coax to phono connector wanted

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Re: Coax to phono connector wanted

Post by Guest »

MarkOne wrote: Wed Oct 05, 2022 1:57 pm The thing I love about this forum, is it's probably the only place on the internet where a simple question about a BNC connector can get to be 3 pages long! :thumbup:

Er, if you think this is bad you should check out the electrical forums on Screw Fix and DIY Not, there they really know how to make a song and dance out of a mountain out of a mole hill

https://www.diynot.com/diy/threads/cctv ... 588/page-6

FFS Its 12v power supply they come in all shapes and configurations …why on the electrical forum is everything a big song and dance ….?

... perhaps because the OP is having a big problem in understanding how to connect his 12V PSU to the two (polarity marked) power input terminals on his camera?

It seems quite apparent you haven't read the thread, I don't believe there is a song and dance here, hasn't even been spoilt by our resident joker.

The thread is running just as designed, to assist someone asking for advise

True. My only reservation about that, which I have also mentioned previously, is that if he cuts the plug off, the OP could well then find himself with some very iffy (perhaps 'tiny') conductors that he could well struggle to connect to the terminals of his cameras. Even an 'adapter' would require him to be able to somehow interface it with his cameras.

Making the wires twice as long (or even 3 times) and then folding them over and twisting them and maybe even soldering them should work hear

Youi have to play it by ear. There's always going to be some solution but, as I've said, one often finds oneself faced with (sometimes 'tiny') 'wires' that are quite difficult to deal with when one cuts a lead such as that one.


We are up to 10 pages now and I have not even got my first camera to work yet. BTW I have about 20 of them different makes and models, this could be a very long thread ;)
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Re: Coax to phono connector wanted

Post by ef37a »

Are you telling us you need assistance getting power to the cameras AS WELL!

Dave.
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Re: Coax to phono connector wanted

Post by James Perrett »

Organ Grinder wrote: Wed Oct 05, 2022 3:12 pm We are up to 10 pages now and I have not even got my first camera to work yet. BTW I have about 20 of them different makes and models, this could be a very long thread ;)

However, if you had followed my advice in the first reply to your question you'd be all set and working now. If you are taking the same approach and ignoring good advice on the other thread then I'm not surprised.

I'm starting to wonder if you are trolling us?
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Re: Coax to phono connector wanted

Post by ef37a »

I wonder too now James.
Just for the record? Tried to find the core resistance of 75R video cable. No joy but it seems to use around 23AWG core wire and that runs out at 20.36 Ohms per 1000 feet. I.e. not to be concerned about.

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Re: Coax to phono connector wanted

Post by Guest »

Although electricians do install CCTV systems for companies as part of there job, I came hear because I though the Knowledge would be more pacific and specialised to my subject

But they do still seam to be of the opinion that the cable I have made up should get a signal for its short distance. But as you stated it would not work so I have taken your good experienced advice (again why I came hear in the first place) and this is why I ordered the fitting the other day and I look forward to it arriving and pressing on with the project
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Re: Coax to phono connector wanted

Post by Mike Stranks »

Organ Grinder:

This: https://cpc.farnell.com/pro-signal/psg0 ... no%20leads will also provide what you want. This is a complete lead with 75-ohm cable.

Nothing more we can say really... :)

Good luck in testing the gear! :thumbup:
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Re: Coax to phono connector wanted

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Re: Coax to phono connector wanted

Post by Hugh Robjohns »

Excellent. I like a happy customer supplied with a range of practical solutions. Case closer.
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