Device Side Pin Assignments - Moxa Technologies PCI Express Board User Manual

PCI Express Boards
2-wire RS-485
Pin Signal
1 Data3+(B)
2 –
3 –
4 –
5 Data2+(B)
6 –
7 –
8 –
9 Data1+(B)
10 –
11 –
12 –
13 Data0+(B)
14 –
15 –

Device Side Pin Assignments

Male DB9 (CBL-M44M9x4-50)
Pin RS-232
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 –
Male DB25 (CBL-M44M25x4-50)
Pin RS-232
2 TxD
3 RxD
4 RTS
5 CTS
6 DSR
7 GND
8 DCD
20 DTR
22 –
Pin Signal
16 –
17 Data3-(A)
18 –
19 –
20 –
21 Data2-(A)
22 –
23 –
24 –
25 Data1-(A)
26 –
27 –
28 –
29 Data0-(A)
30 –
RS-422/RS-485-4W RS-485-2W
TxD-(A) –
TxD+(B) –
RxD+(B) Data+(B)
RxD-(A) Data-(A)
GND GND
– –
– –
– –
– –
RS-422/RS-485-4W RS-485-2W
RxD+(B) Data+(B)
TxD+(B) –
– –
– –
– –
GND GND
TxD-(A) –
RxD-(A) Data-(A)
– –
Pin Signal
31 –
32 –
33 GND3
34 –
35 –
36 –
37 GND2
38 –
39 –
40 –
41 GND1
42 –
43 –
44 GND0
6-11
Pin Assignments