Pci-1622C - Advantech PCI Series User Manual

5.1.6

PCI-1622C

The following table shows the cable pin assignments for connecting a female DB78
connector (bracket) to a DB9 connector for the PCI-1622C in RS-232, RS-422, and
RS-485 modes.
Table 5.13: PCI-1622C Male DB9 (Cable)
Pin RS-232
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
RS-422 RS-485
Tx- Data-
Tx+ Data+
Rx+ N/A
Rx- N/A
GND GND
RTS- N/A
RTS+ N/A
CTS+ N/A
CTS- N/A
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PCI Communication User Manual