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Re: Powering case heathers with PoE Cameras



Sorry about the title typo. Should read 'Case Heaters'

-Jerry

"Jerry Spence1" <jerry.spence@xxxxxxxxxxxxx> wrote in message
news:4505bfe5$0$2669$ed2619ec@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Forgive me if this is a bit off topic, but my company has just started to
> install IP Cameras with Power Over Ethernet connectors on the back. The
> idea of these is that power comes down the CAT5 cable, so you don't need a
> mains power supply.
>
> Whilst this makes for a very neat installation, the problem is that you
> can't derive 12v from anywhere to power the heater, as the PoE Splitter is
> internal to the camera. I have asked the camera manufacturers why they
> don't supply a 12v source and they generally say that whilst some older
> analog cameras used to provide power output for heating/ventilation, this
> is not typically done today.
>
> Is this true? Are heaters a thing of the past? Are there any IP Camera
> installers here who still power case heaters? How is it done? Have PoE
> powered IP camera manufacturers got it wrong?
>
> -Jerry
>




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