
COM 1 RS232/Power Select
JP2
1-3, 2-4 On:
RS232 standard
(default)
3-5, 4-6 On:
RS232 with
5V/12V power
JP2
DCD-
TD
RD
DTR-
GND
1 2 3 4 5
RTS-
RI-
DSR-
CTS-
6 7 8 9
+5V
TD
RD
DTR-
GND
1 2 3 4 5
RTS-
+12V
DSR-
CTS-
6 7 8 9
COM 1
COM 1
6
4
2
5
3
1
6
4
2
5
3
1
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