RE: Power over Cat5

["Mick Furlong" <dorsai@xxxxxxx>]

Keith

I thought you might be the one t  answer this!

couple of supplementary questions for Keith or anyone else kind enough t
help...

1. should the fuse value be 500ma for all three voltages (12,15,24)?
2. the max current t  draw is 350mA per cable right? If so and I want t
common all the 12V supplies t gether I will need t  fuse each cable
seperately won't I? Are there any drawbacks t  commoining the supplies like
this?
3. Any problems running this kind of voltage/current through Krone 237A
blocks?
4.Any suggestions for other useful voltages t  run through CAT5 and any
ideas
for where I could find a suitable power supply t  provide these voltages?

As you guys may have guessed I am finally taking the leap and wiring the
house (as far as I can).

I have a mailing from Nigel Orr from way back giving a lot of good advice
and
will post that and any responses I get to this question on the FAQ.

Sorry for all the questions but I am a duffer when it comes t  electronics
(just replaced my 20 year old cheapo analog multimeter with a digital one
so
that will tell you how long I have been out of electronics!).

Regards
Mick



Keith Doxey <ukha@xxxxxxx> said:

> Perfectly safe as long as you dont draw t o much current.
>
> Fit a 500mA fuse at the supply end and dont try t  draw more than
about
> 350mA.
>
> Keith
>
> -----Original Message-----
> From: Mick Furlong [mailto:dorsai@xxxxxxx]
> Sent: 25 July 2001 22:53
> To: UKHA Group
> Subject: [ukha_d] Power over Cat5
>
>
> Folks
>
> I recall a discussion a while back over the pros and cons of power
(DC) over
> Cat5. I have looked on the archive and can't find it:(
>
> can anyone either point me in the right direction or advise me of what
you
> can/cannot do.
>
> In particular I want t  run 12V t  replace wall warts for various
items, 15v
> for my cctv cams and 24v for some sirens and other devices. Is this
> possible, safe and sensible?
>
> Thanks
> Mick
>
>
>
>
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