Pci-1612A/B/C - Advantech PCI-1602UP User Manual

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
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
10 RI
Table 5.11: PCI-1612A/B/C Male DB25 on cable
Pin RS-232
1 1_TxD
2 1_RxD
3 1_RTS
4 -
5 1_TxD
6 2_RxD
7 2_RTS
8 -
9 3_TxD
10 3_RxD
11 3_RTS
12 -
13 4_TxD
14 4_RxD
15 4_RTS
RS-422 RS-485
Tx- Data-
Tx+ Data+
Rx+ -
Rx- -
GND GND
RTS- -
RTS+ -
CTS+ -
CTS- -
Pin RS-232
16 1_CTS
17 1_DTR
18 1_DSR
19 -
20 2_CTS
21 2_DTR
22 2_DSR
23 -
24 3_CTS
25 3_DTR
26 3_DSR
27 -
28 4_CTS
29 4_DTR
30 4_DSR
45 PCI/ PCI Express-Communication User Manual
Pin RS-232
31 1_DCD
32 1_RI
33 1_GND
34 -
35 2_DCD
36 2_RI
37 2_GND
38 -
39 3_DCD
40 3_RI
41 3_GND
42 4_DCD
43 4_RI
44 4_GND