Specifications

68 PCI-Comm Card Series User's Manual
PCI-1612
The following diagrams show the pin assignments for the PCI-1610/
1612 card's DB-9 and DB-25 (opt 4A)connectors for RS-422/485.
TX-
TX+
RX+
RX-
GND
DATA-
DATA+
GND
RTS-
RTS+
CTS+
CTS-
CTS2-
TX2-
RX2-
RTS2-
CTS2+
RTS2+
TX2+
RX2+
CTS3-
TX3-
RX3-
RTS3-
CTS3+
RTS3+
TX3+
RX3+
CTS1-
TX1-
RX1-
RTS1-
CTS1+
RTS1+
TX1+
RX1+
CTS0-
TX0-
RX0-
RTS0-
CTS0+
RTS0+
TX0+
RX0+
1
20
2
21
3
22
4
23
5
24
6
25
7
26
8
27
9
28
10
29
11
30
12
31
13
32
14
33
15
34
16
35
17
36
18
37
19
GND
CONNECTOR DB37
RS-422
RS-485