Asus PE400D Series, User Manual

Page: 14 / 74

14 PE400D Series
1 2 3 4 5
6 7 8 9
Pin RS-232 RS-422 RS485
1
DCD# TX- D-
2 RXD TX+ D+
3 TXD RX+ NA
4
DTR RX- NA
5 GND GND GND
6
DSR NA NA
7 RTS NA NA
8 CTS NA NA
9
RI NA NA
Serial (COM) connector
The 9-pin RS232/422/485 serial (COM) connector allows you
to connect devices that have serial ports such as bar code
scanner, modem, or printers. Please refer to the table below
for the pin definitions of the different COM connectors.
NOTE:
Default set to RS-232.