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#144387 - 07/29/06 12:40 AM Cat 5 cable to power led lighting?
duckman Offline
devotee

Registered: 01/09/03
Posts: 315
Loc: kansas
Hi all- So I bought a cyron media highlighter kit to backlight my qs8's. http://www.cyron.com The q's are mounted with fmb's and the 9 inch tubes fit back there pretty slick. The tubes have a 5 ft. cord on them with an oddball plug which plugs into the system. Since one of my q's is a good 15' away that presents the need for an "extension cord" for the 4 tiny wires powering each tube,without losing the oddball plug on the end.
After trying the one I was able to connect I decided each q needs 2 tubes, so thats 8 tiny wires. Which introduces cat 5 cable- 8 tiny wires in one cable.
My question is then- can I safely do this? is there a better way? I'd like to install cool little plugs so this is all unpluggable. Any of you IT geeks care to comment?
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#144388 - 07/29/06 03:13 AM Re: Cat 5 cable to power led lighting? [Re: duckman]
HomeDad Offline
connoisseur

Registered: 12/29/05
Posts: 3301
Loc: Central,California
I can't answer you questions, but thats some cool stuff, and I thought I was going overboard by adding my buttkicker lfe
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#144389 - 07/29/06 03:24 AM Re: Cat 5 cable to power led lighting? [Re: duckman]
BrenR Offline
connoisseur

Registered: 12/10/03
Posts: 3602
Loc: Winnipeg MB Canada
They don't give a lot of information on voltage and amperage requirements... it IS low voltage (~2V DC for each LED) but how are the LEDs wired? If it's in series, and I count 18 per tube... that'd be 18VDC - 54VDC depending on the LED... you could probably get away with it... but CAT5 is what, about 24 ga... I just wouldn't do it.

Bren R.

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#144390 - 07/29/06 07:10 PM Re: Cat 5 cable to power led lighting? [Re: BrenR]
duckman Offline
devotee

Registered: 01/09/03
Posts: 315
Loc: kansas
I had a look on the power supply and it's rated at 110-240 V and 1.5 A input, 12V and 1500ma output. Thats for the 5 tubes it's supposed to power.
This deal is pretty cool, although I don't accept it as being a proper display backlight. It's great if you want just a little light in the room.
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#144391 - 08/01/06 03:51 PM Re: Cat 5 cable to power led lighting? [Re: duckman]
LightninJoe Offline
aficionado

Registered: 10/28/05
Posts: 558
Loc: Portland, OR
Quote:

I had a look on the power supply and it's rated at 110-240 V and 1.5 A input, 12V and 1500ma output. Thats for the 5 tubes it's supposed to power.
This deal is pretty cool, although I don't accept it as being a proper display backlight. It's great if you want just a little light in the room.




My only related experience is our VOIP phones here take 9V 750ma from PoE switches. No burned out walls yet.
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#144392 - 08/02/06 09:32 AM Re: Cat 5 cable to power led lighting? [Re: LightninJoe]
pmbuko Offline
shareholder in the making

Registered: 04/02/03
Posts: 16437
Loc: Ben Lomond, California
Good catch there, LJ. The IEEE standard for Power over Ethernet, 802.3af, allows up to 15.4 Watts per port. Watts = Volts * Amps, so as long as you don't exceed the specs, you should be fine.
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