Device Side Pin Assignments-Male Db9; Male Db25 (Cbl-M44M25X4-50) - Moxa Technologies PCI Express Board User Manual

PCI Express Boards
RS-485-2W
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Device Side Pin Assignments—Male DB9
PIN RS-232
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS

Male DB25 (CBL-M44M25x4-50)

PIN RS-232
2 TxD
3 RxD
4 RTS
5 CTS
6 DSR
7 GND
8 DCD
20 DTR
Signal Pin
DATA4+ 16
– 17
– 18
– 19
DATA3+ 20
– 21
– 22
– 23
DATA2+ 24
– 25
– 26
– 27
DATA1+ 28
– 29
– 30
RS-422/RS-485-4W
TxD-(A)
TxD+(B)
RxD+(B)
RxD-(A)
GND
–
–
–
RS-422/RS-485-4W
RxD+(B)
TxD+(B)
–
–
–
GND
TxD-(A)
RxD-(A)
Signal
–
DATA4-
–
–
–
DATA3-
–
–
–
DATA2-
–
–
–
DATA1-
–
RS-485-2W
–
–
Data+(B)
Data-(A)
GND
–
–
–
RS-485-2W
Data+(B)
–
–
–
–
GND
–
Data-(A)
6-16
Pin Assignments
Pin Signal
31 –
32 –
33 –
34 –
35 –
36 –
37 –
38 –
39 –
40 –
41 –
42 –
43 –
44 –