Advantech PCM-9574, User Manual

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Appendix C Pin Assignments 95
Note: The cable of serial port (CN20) comes with four DSUB-9
male connectors. The pin assignments of each DSUB-9
connector are listed below for your reference:
Table C-19: COM2 port for RS-232, RS-422 and RS-485 (CN20)
Pin Signal
RS-232
RS-422 RS-485
11 DCD2 TX- DATA-
13 RxD2 TX+ DATA+
15 TxD2 RX+ NC
17 DTR2 RX- NC
19 GND GND GND
12 DSR2 DSR2 (not used) DSR2 (not used)
14 RTS2 RTS2 (not used) DSR2 (not used)
16 CTS2 CTS2 (not used) DSR2 (not used)
18 RI2 RI2 (not used) DSR2 (not used)
C.18 CompactFlash™ card connector (CN21)
Table C-20: CompactFlash card connector (CN21)
Pin Signal Pin Signal
1 GND 2 D03
3 D04 4 D05
5 D06 6 D07
7 -CS0 8 A10
2
9 -ATA SEL 10 A09
2
11 A08 2 12 A07 2
13 VCC 14 A06 2
15 A05
2
16 A04
2
17 A03
2
18 A02
19 A01 20 A00