4.4 Interfaces
The QMP 18 is equipped with two RS232, one USB device and one cash drawer interfaces.
The RS232 ports are used to connect peripheral devices like scanner, display, QuoriLog etc.
The USB port is only prepared for PC communication. It is not to be used with USB devices, like
memory sticks, scanners, printers etc.
Use only shielded cables and connector plugs for connecting any peripheral devices. Switch off the POS
system before connecting or disconnecting any peripheral devices. Please note also the maximum cable
lengths of 5 meters for USB and 15 meters for RS232.
Please note that all interfaces have to be programmed before connecting any external devices. If you have
any questions about the programming, please ask your local QUORiON dealer.
Figure 4: Overview interfaces
Cash Drawer (DRW 9 V, 5 Ω)