That low cost POE adapter should work fine. You could save self even
more money by just splitting out the cat5 brown pair at both ends and
connecting power to it. That's all your £7 adapter is doing.
If anybody is interested I could post something in the Wiki about this
zero cost PoE option.
agillis;460681 Wrote:
That low cost POE adapter should work fine. You could save self even
more money by just splitting out the cat5 brown pair at both ends and
connecting power to it. That's all your £7 adapter is doing.
If anybody is interested I could post something in the Wiki about
I also should mention that a real (802.3af) POE switch or injector uses
a safe automatic detection mechanism to verify that the target device is
ready to accept power before switching it on at the source. Without that
feature, you run the risk of cooking a conventional device that is
accidentally
On 9/23/2009 9:25 PM, seanadams wrote:
This is a bad idea in general, but especially for Touch. You need
regulation at the point of load because CAT5 has a high resistance (3
ohms / 100ft) and Touch draws highish, variable current at only 5V.
I was surprised to see that CAT5 is so lossy
I guess I'm a bit paranoid about using PoE with the Touch. As elegant
as the solution is (especially with the Touch wall mounted), the concern
I have is the Touch's current draw is rated at 3 amps, and most of the
PoE injectors max out at 2 - 2.5 amps.
--
ShutterShock
Yeah, but the solution above uses the original equipment power supply
rather than a custom one. Passive POE rather than Active POE.
Steve.
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SteveEast
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SteveEast;460377 Wrote:
Yeah, but the solution above uses the original equipment power supply
rather than a custom one. Passive POE rather than Active POE.
So because of DC losses, cable runs must be relatively short - and
that's where they get the 30 - 40 meter maximum.
Based on your
I'm using one of these with my Touch right now:
http://www.cisco.com/en/US/products/ps10044/index.html
If you aren't using the USB port, then it should be fine.
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Do you have something for power-over-wifi as well?
THAT would be a killer!
--
pippin
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dean;460385 Wrote:
I'm using one of these with my Touch right now:
http://www.cisco.com/en/US/products/ps10044/index.html
If you aren't using the USB port, then it should be fine.
I just made an adapter to feed the DC input from the USB port. Works
great and saves electricity too.
--
seanadams;460403 Wrote:
I just made an adapter to feed the DC input from the USB port. Works
great and saves electricity too.
Care to share what you did in the DIY section?
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Hey...I got it...I just couldn't think of a witty enough retort ;)
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