The "Blaster" system consists of 2 or 3 components.
Somewhere there is a box. it will have an LED on it and if you look closely you may spot the sensor,,, This is the control unit and power supply for the system, it will have a power cord, either 12vdc or 120vac depending on who made it.
Now... Off the back of this will be either a pair of thin wires, like speaker wires, or coax cables (2 of those) if it's coax cables then back at video swith central there will be what looks like a standard Coax Splitter,,, only it will only have two coax-fittings and a 1/8 inch phone jack or two (looks like a headpone jack. same jack in fact)
The IR-blasters plug into this module
THe blaster is a very simple device.
you have an IR-LED diode ====wire=== 1/8" phone plug
I'm not sure which way the Diode goes in but I built my own for one piece of hardware I use that needs one.. Thing works too. Every day... Even if I'm not at home (there is a story here but trust me. that is what it is supposed to do)
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