Name: Advantech PCI Series
Brand: Advantech
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39 PCI Communication User Manual

Chapter 5 Pin Assignments and Wiring

5.1.4 PCI-1612B/C

The following tables show the cable pin assignments for connecting a female DB37 connector

(bracket) to a male DB9/DB25 connector for the PCI-1612B/C cards in RS-232, RS-422 and

RS-485 modes.

Table 5.6: PCI-1612B/C Male DB9 (Cable)

Pin RS-232 RS-422 RS-485

1 DCD Tx- Data-

2 RxD Tx+ Data+

3TxDRx+-

4DTRRx--

5 GND GND GND

6DSRRTS--

7RTSRTS+-

8CTSCTS+-

9RICTS--

Table 5.7: PCI-1612B/C Male DB25 (Cable)

Pin RS-232 RS-422 RS-485

2 1_TxD 1_RxD +

3 1_RxD 1_TxD+ 1_Data+

4 1_RTS 1_RTS+ -

5 1_CTS 1_CTS+ -

6 1_DSR 1_RTS- -

7 1_GND 1_GND 1_GND

8 1_DCD 1_TxD- 1_DATA-

20 1_DTR 1_RxD -

22 1_RI 1_CTS -

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