Simple IR Distribution Option?

[Ross McKillop <home@xxxxxxx>]

Found this somewhere, would anyone care to comment if it would actually=20
work - it seems that it doesnt need any central controller (just a=20
whole load of cables stuck together in a Krone punch-down block...)

Ross

--- Begin Cut from elsewhere ---

IR Distribution Through a Structured Wiring Cabinet
If you have a structured wiring cabinet and you only have one or two=20
phone lines, you can easily distribute IR through your home!

In this scheme, you'll be using pairs 3 and 4 in the cat5 cable that=20
you use for your phone line(s). Since the telephone line hub in your=20
cabinet busses all phone lines to all locations, these wires are=20
already bussed throughout your home! We can put the infrared signals on=20
those lines anywhere with an IR pickup, and extract them from anywhere=20
with a connecting block and emitters. We can even power everything from=20
the cabinet!

Here's the pinout we'll be using:

+12VDC on RJ45 Pin 1 (White/Green) connected to Red at sensor
Ground on RJ45 Pin 2 (Green)	connected to Black at sensor
Signal on RJ45 Pin 7 (White/Brown) connected to White at sensor
Unused RJ45 Pin 8 (Brown) not connected

Here's how to set it up: You'll need a modular plug crimper to put=20
modular plugs on the IR pickups.These work well.

=95 	Use a 12VDC regulated power supply to put power on the green pair.=20
If you have a DC power buss, such as the Leviton DC Power Module, in=20
your cabinet, simply connect a pair of wires from that to the green=20
pair input punchdown of your telephone module. Otherwise you can cut=20
the connector off of the end of a power supply and punch those wires=20
onto the green pair input. Alternatively, you can power everything from=20
the connecting block.

=95 	Replace the 1/8" stereo plug on each IR receiver with a
modular=20
plug. Use the pinout above. (Red to pin 1, black to pin 2, and white to=20
pin 7.) Plug the IR receivers in where you want them. If there is=20
already a phone plugged into the jack, use an 8 position "Y" like
this.

=95 	Install a modular plug on one end of a length of cat5 cable. Attach=20
the other end to the terminals of your connecting block. (White/Green=20
to +12, green to ground, white/brown to signal.)

Do the same with IR emitters where required

--
Ross McKillop

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