User`s manual

Universal PCI Board User’s Manual Pin Assignments
10-18
DB44 (female): RS-485 (4-wire)
Pin Signal Pin Signal Pin Signal
1 RXD3+(B) 16 --- 31 TXD3-(A)
2 TXD3+(B) 17 RXD3-(A) 32 ---
3 --- 18 --- 33 GND3
4 --- 19 --- 34 ---
5 RXD2+(B) 20 --- 35 TXD2-(A)
6 TXD2+(B) 21 RXD2-(A) 36 ---
7 --- 22 --- 37 GND2
8 --- 23 --- 38 ---
9 RXD1+(B) 24 --- 39 TXD1-(A)
10 TXD1+(B) 25 RXD1-(A) 40 ---
11 --- 26 --- 41 GND1
12 --- 27 --- 42 TXD0-(A)
13 RXD0+(B) 28 --- 43 ---
14 TXD0+(B) 29 RXD0-(A) 44 GND0
15 --- 30 ---
DB44 (female): RS-485 (2-wire)
Pin Signal Pin Signal Pin Signal
1 Data3+(B) 16 --- 31 ---
2 --- 17 Data3-(A) 32 ---
3 --- 18 --- 33 GND3
4 --- 19 --- 34 ---
5 Data2+(B) 20 --- 35 ---
6 --- 21 Data2-(A) 36 ---
7 --- 22 --- 37 GND2
8 --- 23 --- 38 ---
9 Data1+(B) 24 --- 39 ---
10 --- 25 Data1-(A) 40 ---
11 --- 26 --- 41 GND1
12 --- 27 --- 42 ---
13 Data0+(B) 28 --- 43 ---
14 --- 29 Data0-(A) 44 GND0
15 --- 30 ---