Appendix C Detailed system information 65
COM1 COM2
RS-232 connections (COM1, COM2)
Different devices implement the RS-232 standard in different
ways. If you are having problems with a serial device, be sure to
check the pin assignments for the connector. The following table
shows the pin assignments for the card's RS-232 port:
RS-232 connector pin assignment
Pin Signal
1 DCD
2RX
3TX
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9RI
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