45 PCI/ PCI Express-Communication User Manual
Chapter 5 Pin Assignments and Wiring
5.1.6 PCI-1612A/B/C
The following tables and figures show the pin assignments of 1 female DB37 connector on
the bracket to male DB9/DB26 for the PCI-1612A/B/C cards in RS-232, RS-422 and RS-485
modes.
Table 5.10: PCI-1612A/B/C Male DB9 on 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+-
10 RI CTS- -
Table 5.11: PCI-1612A/B/C Male DB25 on cable
Pin RS-232 Pin RS-232 Pin RS-232
1 1_TxD 16 1_CTS 31 1_DCD
2 1_RxD 17 1_DTR 32 1_RI
3 1_RTS 18 1_DSR 33 1_GND
4- 19 - 34 -
5 1_TxD 20 2_CTS 35 2_DCD
6 2_RxD 21 2_DTR 36 2_RI
7 2_RTS 22 2_DSR 37 2_GND
8- 23 - 38 -
9 3_TxD 24 3_CTS 39 3_DCD
10 3_RxD 25 3_DTR 40 3_RI
11 3_RTS 26 3_DSR 41 3_GND
12 - 27 -
13 4_TxD 28 4_CTS 42 4_DCD
14 4_RxD 29 4_DTR 43 4_RI
15 4_RTS 30 4_DSR 44 4_GND
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