User manual
55 PCI/ PCI Express-Communication User Manual
Chapter 5 Pin Assignments and Wiring
5.1.3 PCI-1603
The following table and figure shows the pin assignments of two male DB9 connectors on the
bracket for PCI-1603 in RS-232 and current loop modes.
Table 5.3: PCI-1602UP Female DB25 on bracket
Pin RS-422 RS-485 Pin RS-422 RS-485
1 2_Tx- 2_Data- 14 2_RTS- -
2 2_Tx+ 2_Data+ 15 2_RTS+ -
32_Rx+ - 16 2_CTS+ -
42_Rx- - 17 2_CTS- -
52_GND 2_GND 18 - -
6- - 19 - -
7- - 20 - -
8- - 21 - -
9 1_Tx- 1_Data- 22 1_RTS- -
10 1_Tx+ 1_Data+ 23 1_RTS+ -
11 1_Rx+ - 24 1_CTS+ -
12 1_Rx- - 25 1_CTS- -
13 1_GND 1_GND
Table 5.4: PCI-1603 Male DB9 on bracket
Pin RS-232 Current Loop
1 DCD TxD-
2RxD TxD+
3TxD RxD
4DTR RxD-
5GND -
6DSR -
7RTS -
8CTS -
10 RI -
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