ADLINK cPCI-3538 - Manual (Page 15)

Introduction
• 9
1.2.4 Connector Pin Assignment of cPCI-3544
DB37 female connector pin assignment for cPCI-3544.
Pin No. RS-422 Interface 4S-485 Interface
1 PortA_RXD+(IN)
2 PortA_D+(I/O)
3 PortA_RXD-(IN)
4 PortA_D-(I/O)
5 PortA_
IsolatedGND
6 PortB_TXD+(OUT)
7 --
8 PortB_TXD-(OUT)
9 PortB_ Isolated GND
10 --
11 PortC_Isolated GND
12 PortC_TXD-(OUT)
13 --
14 PortC_TXD+(OUT)
15 PortD_Isolated GND
16 PortD_D-(I/O)
17 PortD_RXD-(IN)
18 PortD_D+(I/O)
19 PortD_RXD+(IN)
20 PortA_TXD+(OUT)
21 --
22 PortA_TXD-(OUT)
23 --
24 PortB_RXD+(IN)
25 PortB_D+(I/O)
26 PortB_RXD-(IN)
27 PortB_D-(I/O)
28 --
29 --
30 PortC_D-(I/O)
31 PortC_RXD-(IN)
32 PortC_D+(I/O)
33 PortC_RXD+(IN)
34 --
35 PortD_TXD-(OUT)
36 --
37 PortD_TXD+(OUT)