Hitachi ED-X33EP User Manual page 81

Connection to the ports (continued)
N USB
USB B type jack
Pin Signal
1 +5V
2 - Data
3 + Data
4 Ground
CONTROL
O
D-sub 9pin plug
• About the details of RS-232C communication,
please refer to the following page.
Pin Signal
1 (No connection)
2 RD
3 TD
6
O N
4 3
2
1
Pin
4 (No connection)
5 Ground
6 (No connection)
9 8
5 4
Signal Pin
7
8
9
7 6
3 2 1
Signal
RTS
CTS
(No connection)