Advantech TREK-753 User Manual page 60

32 RS232_RI
33 RS232_CTS
34 RS232_RTS
35 RS232_DSR
36 GND(Drain wire)
37 RS232_DTR
38 RS232_TXD#
39 RS232_RXD#
40 RS232_DCD
41 N/A
42 ISO_DO4
43 ISO_DO3
44 ISO_DO2
45 ISO_DO1
46 ISO_DI4
47 ISO_DI3
48 ISO_DI2
49 ISO_DI1
50 GND_ISO (26AWG)
TREK-753 User Manual
RS-232 male Connecter
DIO & RS-485
DB15 female connecter
52
9
8
7
6
5
4
3
2
1
12
11
10
9
4
3
2
1
5