Wincomm WMP-19B User Manual page 58

APPENDIX
J30 – Internal COM4 Serial Port
Pin # Signal Description
1 232_DCD#
3 232_SIN
5 232_SOUT
7 232_DTR#
9 GND
J31 – Internal COM4 TTL
Pin # Signal Description
1 DCD#
3 SIN
5 SOUT
7 DTR#
9 GND
J32 – External USB 3.0 Port
44
Pin #
2
4
6
8
10
Pin #
2
4
6
8
10
WMP-19B/22B User's manual
Signal Description
232_DSR#
232_RTS#
232_CTS#
232_RI#
+5VS / +12VS
Signal Description
DSR#
RTS#
CTS#
RI#
+5VS