Hitachi CP-X3020 User's Manual And Operating Manual page 83

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