One side of the switch goes to a pad for pin 10 as example the other side of the switch goes to common. The pads are just solder points for unsed DB25 pins.
Have you reviewed the forum on my website for the discrete boards: http://www.pminmo.com/phpBB/viewforu...106927e525cba7 It may answer some of your questions.
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Phil, Still too many interests, too many projects, and not enough time!!!!!!!!
Vist my websites - http://pminmo.com & http://millpcbs.com |