Cabling Diagram
(Adapter cable – YCC03ISM5 – round – DB25-PC)
Diagram for interfacing a computer or a peripheral device to the scale using the 
RS-232C/V24 standard and interface cables up to 15 m (50 ft) long.
Cabling Diagram
Connection assignments for the cable from the QC scale to an RS-232 PC interface.
Round plug12-pin 25-pin
Scale cable Shield 1
4
Sgn GNDE 7
Scale TxD B 3
side RxD C 2 PC side
DTR D 5
CTS H 20
(the other pins are  Shield on
not connected) both sides
4–21