There are 3 parameters for RS-232 communication.
1) Baud rate
2) Parity bit (0 or 1)
3) Number of stop bits (0, 1 or 2).
I believe the M2 rotator is expecting none for the parity bits (0) and 1 stop
bit.
73,
Guy, N7ZG
> Date: Mon, 27 Sep 2010 11:31:04 -0700
> From: n6kj.kelly@gmail.com
> To: towertalk@contesting.com
> Subject: [TowerTalk] RS-232 control of M2 Rotator
>
> I'm trying to remote my home station. The last piece of the puzzle
> for (non-QRO) operation is the rotator. I've tried several things to
> get RS-232 control of my M-Squared rotator to work, but so far no
> luck. The rotator control box seems to be trying to communicate. I'm
> using the standard M-Squared control box. I see data coming back from
> the rotator, but it appears to be the wrong baud rate. I've tried
> every baud rate (including the one that the manual claims should work)
> so far with no luck. I've tried controlling it with Hyperterm and
> with DX4WIN. Neither works. This serial port works fine for other
> purposes. This is a real RS-232 port; not a USB-to-serial converter.
> Anyone got any tips before I call M-Squared?
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