| Post 2 made on Friday February 3, 2017 at 12:40 |
Ernie Gilman Yes, That Ernie! |
Joined:
Posts: | December 2001
30,104 |
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Serial control basically comes down to three wires: Tx, or transmit; Rx, or receive; and ground. Stop thinking of the mini plugs as mono or stereo and think of them as different conductors.
The sleeve is the ground. With some devices, the tip is Tx and the ring is Rx; with some devices it's the reverse. This is the case with the old Pronto cables and URC cables, for instance.
Also, the Tx of one device connects to the Rx of the other device. You'll want to label sketches of how you're wiring things so you can keep things straight.
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