25 pin machine 25 pin PC
2 to 3
3 to 2
4 to 5
5 to 4 you can also jumper 4&5
6 6,8&20 pumper at the machine
8
20
if you jumper 4&5 you can't use hardware handshaking must XON/XOFF
25 pin machine 25 pin PC
2 to 3
3 to 2
4 to 5
5 to 4 you can also jumper 4&5
6 6,8&20 pumper at the machine
8
20
if you jumper 4&5 you can't use hardware handshaking must XON/XOFF