what type of DB9 cables does barcodes scanners use
GND. System Ground (RS232C DE-9 pin 5). The standard 25-44301-01 scanner cable has the same connector as mini-USB on the scanner end, and a RS-232C DE-9 connector on the other. To connect the scanner via USB, a separate DB9 to USB adapter 50-16000-386 must be used in combination with this cable.he standard 25-44301-01 scanner cable has the same connector as mini-USB on the scanner end, and a RS-232C DE-9 connector on the other.