User`s manual

GOT812 Series User’s Manual
System Configurations
10
2.1 I/O Pin Assignment
The GOT812 Series has two serial ports, COM1 (RS-232/ 422/ 485) and COM2 (RS-
232), Ethernet, USB, and DC-in 12V/24V connecter.
2.1.1 Serial Port Interface
The following table shows you the pin assignments of this connector:
Pin
Signal
Pin
Signal
1
Data Carrier Detect (DCD)
6
Data Set Ready (DSR)
2
Receive Data (RXD)
7
Request To Send (RTS)
3
Transmit Data (TXD)
8
Clear To Send (CTS)
4
Data Terminal Ready (DTR)
9
Ring Indicator (RI)
5
Ground (GND)
In addition, COM1 can be set for RS-232/422/485 by jumper. The jump setting is
listed as below:
COM1
JP11
JP12
JP13
RS-232 (default)
3-5, 4-6
3-5, 4-6
1-2
RS-422
1-3, 2-4
1-3, 2-4
3-4, 7-8
RS-485
1-3, 2-4
1-3, 2-4
5-6, 7-8