Hitachi ED-X40 Manuel D'utilisation page 97

Connection to the ports (continued)
O USB
Signal
1 +5V
2
3
4 Ground
CONTROL
P
Signal
1
2
3
6
O
2 1
4
3
Signal
4
5 Ground
6
P
1 2 3 4 5
9 8 6
7
7 RTS
8
9
Signal