43 PCI Communication User Manual
Chapter 5 Pin Assignments and Wiring
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 RS-422 RS-485
1 DCD Tx- Data-
2RxDTx+ Data+
3TxDRx+N/A
4DTRRx- N/A
5GNDGNDGND
6 DSR RTS- N/A
7RTSRTS+N/A
8 CTS CTS+ N/A
9RI CTS-N/A
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