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[wxsig] Connecting T-238+, X1W-1, X1W-2 and AAG

John Bennett jabennett at insightbb.com
Tue Jul 10 02:48:18 UTC 2007


What you have done is exactly what the jumpers do on the X1W-1 and
X1W-2. Did you try the alternate jumper settings before you did the
flip-flop with the cable? Also, do you have the rev 2 board for the
X1W-2? the rev 1 board did *not* have the jumpers to handle the AAG
"Version 3.0".


On Mon, 2007-07-09 at 22:21 -0400, Leon Bruner wrote:
> I have done some additional experimenting with my wx station components 
> and and think I have it working.  This it is set up: 
>  1.  Placed jumpers across pins P and 1 on P17 (X1W-1) and JMP3 (X1W-2) so that the lines are consistent on the RJ11s
>  across the T238, X1W-1 and X2W-2.
>  2.  Connected the X1W-1 to the T238 using a straight through 4 lead cable.
>  3.  Connected the X1W-2 to the X1W-1 using a straight through 4 lead cable.
>  4.  Connected the AAG WX station to the X1W-2 using a cable that crosses leads 1 and 4 so that +5 V 
> from pin 4 of the X1W-2 is directed to pin 1 of the AAG wx station.
> Using this configuration the X1W-1 and X1W-2 show all sensors when 
> tested using tstfind. 
> When the T238 is attached to this system it not only boots, it also now 
> reads data from all sensors on both X1W- devices.
> I still need to do some additional testing to verify it works properly 
> but I think I have it sorted.
> Thanks to all for the help-
> Leon
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John Bennett
Evansville, IN
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