> > "Relay contacts available on screw terminals, a DB-9 connector, and an=20 > > internal header on the board." On Thu, 7 Oct 2010, Tony Duell wrote: > And where would I get somethign to mate with a DB-9 connector? Easy. You take a DB25, and remove pins 9,10,11,12,13,14,15,16,17,18,19,21,22,23,24,25