ADLINK C485 - Manual (Page 10)

4
• Introduction
1.2.4 Connector Pin Assignment of C514
DB37 female connector pin assignment for C514.
DB37 Pin No. Signal Name DB37 Pin No. Signal Name
1 RXD1(IN) 20 TXD1(OUT)
2 CTS1(IN) 21 RTS1(OUT)
3 DSR1(IN) 22 DTR1(OUT)
4 DCD1(IN) 23 RI1(IN)
5 GND 24 RXD2(IN)
6 TXD2(OUT) 25 CTS2(IN)
7 RTS2(OUT) 26 DSR2(IN)
8 DTR2(OUT) 27 DCD2(IN)
9 GND 28 RI2(IN)
10 GND 29 RI3(IN)
11 GND 30 DCD3(IN)
12 DTR3(OUT) 31 DSR3(IN)
13 RTS3(OUT) 32 CTS3(IN)
14 TXD3(OUT) 33 RXD3(IN)
15 GND4(ISO) 34 422RTS4-(OUT)
16 422CTS4-(IN) 35 422TXD4-(OUT)
17 422RXD4-(IN) 36 422RTS4+(OUT)
18 422CTS4+(IN) 37 422TXD4+(OUT)
19 422RXD4+(IN) --
Note: Please refers to 3.2 for pins connect of RS-485.