49 PCI/ PCI Express-Communication User Manual
Chapter 5 Pin Assignments and Wiring
Table 5.17: PCI-1622B/C Female DB78 on bracket
Pin RS-422 RS-485 Pin RS-422 RS-485
1 8_GND 8_GND 40 8_TxD- 8_Data-
2 8_RTS- - 41 8_TxD+ 8_Data+
3 8_RTS+ - 42 7_GND 7_GND
4 7_RTS- - 43 7_TxD- 7_Data-
5 7_RTS+ - 44 7_TxD+ 7_Data+
6 6_RTS- - 45 6_TxD- 6_Data-
7 6_RTS+ - 46 6_TxD+ 6_Data+
8 - - 47 5_GND 5_GND
9 5_RTS- - 48 5_TxD- 5_Data-
10 5_RTS+ - 49 5_TxD+ 5_Data+
11 4_RTS- - 50 4_TxD- 4_Data-
12 4_RTS+ - 51 4_TxD+ 4_Data+
13 - - 52 3_GND 3_GND
14 3_RTS- - 53 3_TxD- 3_Data-
15 3_RTS+ - 54 3_TxD+ 3_Data+
16 2_RTS- - 55 2_TxD- 2_Data-
17 2_RTS+ - 56 2_TxD+ 2_Data+
18 - - 57 1_GND 1_GND
19 1_RTS- - 58 1_TxD- 1_Data-
20 1_RTS+ - 59 1_TxD+ 1_Data+
21 8_CTS+ - 60 8_RxD+ -
22 8_CTS- - 61 8_RxD- -
23 7_CTS+ - 62 7_RxD+ -
24 7_CTS- - 63 7_RxD- -
25 - - 64 6_GND 6_GND
26 6_CTS+ - 65 6_RxD+ -
27 6_CTS- - 66 6_RxD- -
28 5_CTS+ - 67 5_RxD+ -
29 5_CTS- - 68 5_RxD- -
30 - - 69 4_GND 4_GND
31 4_CTS+ - 70 4_RxD+ -
32 4_CTS- - 71 4_RxD- -
33 3_CTS+ - 72 3_RxD+ -
34 3_CTS- - 73 3_RxD- -
35 - - 74 2_GND 2_GND
36 2_CTS+ - 75 2_RxD+ -
37 2_CTS- - 76 2_RxD- -
38 1_CTS+ - 77 1_RxD+ -
39 1_CTS- - 78 1_RxD- -
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