Ok so I'm doing some work for my brother on some pachinko machines and noticed one of them is missing its 25 pin D-sub connector for the firing arm mechanism so i am attempting to create one instead of trying to get the company in japan to send me one (too much of a hassle). So it consists of a 25 pin serial connector a capacitor a 200 ohm resister and i think the last piece is a diode of some sort, possibly a rectifier but I know nothing about diodes and cannot even figure out exactly what it is. I was wondering if you guys could help me with this the numbers on the diode are PS2010R and 7459 its 1/4 inch in length and has two poles, thanks for any help.