Communication Rs232 fromm printers, card tag readers


#1

Hi friends, I need to realizes to communication between SNAP PAC R2 and card reader, see the link http://www.nedapidentification.com/products/transit-readers/transit-standard.html,

I run the example program of http://www.opto22.com/community/showthread.php?t=222, but I dont receive any character or number, Somebody would like check the program, i sent the program. Help me, please.

Thanks