Section 2 System Configurations; I/O Pin Assignment; Serial Port Interface - AXIOMTEK GOT821A-TGL-WCD User Manual

GOT821A-TGL-WCD User's Manual
The GOT821A-TGL-WCD provides rich I/O ports and flexible expansions for you to
meet different demand. The chapter will show you how to install the hardware. It
includes:
◼

I/O Pin Assignment

◼ Hard Disk and DRAM
◼ Wireless LAN Card (Optional)
◼ Water-proof cables (Optional)
◼
Hanging and VESA mounting (Optional)
2.1 I/O Pin Assignment
The GOT821A-TGL-WCD has two serial ports, COM1 and COM2 (RS-232/422/485,
default RS-232), 4 USB ports(2x M12 dual port), Ethernet, and DC-in 12V~24V
connecter.

2.1.1 Serial Port Interface

The following table 1 shows you the pin assignments of this connector.
Table 1: Pin Assignment
Pin RS-232 RS-422
1 DCD TX-
2 RXD TX+
3 TXD RX+
RX-
4 DTR
GND
5 GND
No use
6 DSR
No use
7 RTS
8 CTS No use
9 RI No use
10
SECTION 2
System Configurations
RS-485
Data-
Data+
No use
No use
GND
No use
No use
No use
No use
System Configurations