10. DC-In Jack
Plug the power adapter into the power jack, and fix the position by a small metal
bracket to prevent it from loosening.
11. Barcode Scanner
Barcode engine is set up in auto mode
as default setting. LED will light up
when any object shows in front of
barcode scanner within proper
distance, and barcode engine will
automatically scan when a barcode
showed within proper distance.
12. Control I/O Ports & Cover
There are control IO ports (RS-232 &
GPIO) under the Control IO cover (#12
in Device Instruction). Press the cover
to slide backward to open the cover, or
slide forward to close the cover.
RS-232 port pinout (PIN1-PIN6):
GND, RX, TX, GND, 5V, 5V.
9
PIN1