Appendix 3 Interface Specifications - Denso AT20B-SM User Manual

Appendix 3 Interface Specifications

■ RS-232C interface

D-Sub 9pin socket type
1




5
(Viewed from pin side)
D-Sub 9pin plug type（Power supplied from host type only）
5




1
(Viewed from pin side)
6
Pin #
1
2
3
9
4
5
6
7
8
9
Pin #
9
1
2
3
4
5
6
6
7
8
9
95
Power supplied
Power supplied
from AC
from host
adapter
Signal
N.C.
TxD
RxD
Shorted wit #6
GND
Shorted wit #4
CTS
RTS
N.C.
Signal
N.C.
TxD
RxD
N.C.
GND
N.C.
CTS
RTS
5VDC
N.C.
TxD
RxD
N.C.
GND
N.C.
CTS
RTS
5VDC