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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)
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