... 3 tracks)This device can be driven by the series ports,PS2 ports or the terminal ports,and extra ... power is needless.The series 75X mag-stripe reader/writer accords with many standards ... as the ANSI/ISO and IBM standards. The series 75X is a multi-model which includes digital pin ... port and be campatible to PC and AT/XT series computer and,provides RS232 port.The 75X should ...