Chapter 2 System Configurations; I/O Pin Assignment; Serial Port Interface - AXIOMTEK GOT817-834 User Manual

The GOT817-834 provides rich I/O ports and flexible expansions for you to meet different
demand, for example, CF. 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 GOT817-834 has two serial ports, COM1 and COM2 (RS-232/422/485, default
RS-232) , Ethernet, USB, and DC-in 12~36V connecter.

2.1.1 Serial Port Interface

The following table shows you the pin assignments of this connector :
Pin RS-232
1 DCD
2 RXD
3 TXD
4 DTR
GND
5 DSR
6 RTS
7 CTS
8 RI
Each port +5V Maximum: 2A, +12V Maximum: 1A.
Note
Warning: According the warrantee is adopt for the IP66 guarantee, please inform the COM1
setting when ordering, also please kindly don't disassemble the system by
youself.
When receiving information via RS422/485, if there appear some wrong
codes, please check whether to connect to GND at both ends. The
standard method of RS422/485 is to connect GND at both end and make
sure that receiver and transmitter
System Configurations
RS-422 RS-485
TX- Data-
TX+ Data+
RX+ No use
RX- No use
GND GND
No use No use
No use No use
No use No use
No use No use
GOT815-834 User's Manual
System Configurations
h
ave the common ground.
CHAPTER 2
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