Micro Technic 1800 Series, PV-1700 user manual Pin no CN9

Function	Pin no CN9	Pin no CDB-9M	I/O
GND	1	5
RI	2	9	I
DTS	3	4	O
CTS	4	8	I
TxD	5	3	O
RTS	6	7	O
RxD	7	2	I
DSR	8	6	I
CD	9	1	I
N.C.	10

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