User Manual

16
Serial (COM) connector
The 9-pin DB9 connector allows you to connect RS-
232/422/485 serial (COM) devices, such as bar code
scanners, modems, and printers. Please refer to the
table below for the pin denitions of the dierent COM
connectors.
NOTE: Default set to RS-232. Setting can be changed
through the BIOS.
1 2 3 4 5
6 7 8 9
Pin RS-232 RS-422 RS-485
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
Power Input jack
The power input jack allows you to connect a power
source. Power supplied through this jack supplies power
to the Embedded Computer.
WARNING! The power adapter may become warm to
hot when in use. Do not cover the adapter and keep
it away from your body.