User`s manual

Universal PCI Board User’s Manual Pin Assignments
10-16
DB25 (female): RS-485 (2-wire)
Pin Signal Pin Signal
1 --- 14 ---
2 --- 15 Data1-(A)
3 GND1 16 ---
4 --- 17 ---
5 --- 18 Data1+(B)
6 --- 19 ---
7 --- 20 ---
8 --- 21 ---
9 Data0-(A) 22 GND0
10 --- 23 ---
11 --- 24 ---
12 Data0+(B) 25 ---
13 ---