Denso QK31-R User Manual page 105

Appendix 3 Interface Specifications
RS-232C interface (QK31-R)
■
Mini DIN 9 pin (scanner side)
9
8
5
6
2
(Viewed from pin side)
Pin #
1
2
3
4
5
6
7
8
9
USB interface (QK31-U)
■
USB Standard-B connector
7
4
3
1
Signal
RxD
CTS
TxD
5 VDC
GND
RTS
N.C
N.C
N.C
Pin #
1
2
3
4
D-Sub 9S inch screw connector (host side)
1
5
1
2
3 4
(Viewed from pin side)
Signal
5 VDC
D-
D+
GND
94
6
9
(Viewed from pin side)
Pin # Signal
1 N.C.
2 TxD
3 RxD
4 N.C.
5 GND
6 N.C.
7 CTS
8 RTS
9 5 VDC