8
2.3 Interfaces and connections
The QMP 2000 series by default is equipped with 2xRS232, USB device. Optionally you may add further
2xRS232 interfaces and a LAN interface. All RS232 interfaces s5VDC on pin 9 as power supply for
external devices like scanner, display 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. The LAN port may be used for PC
communication and cash register network.
Important:
Use only shielded cables for connecting any peripheral devices. Switch off the cash
register before connecting or disconnecting any peripheral devices.
For designation of the interfaces, please refer to the sticker on the bottom of your cash register.
Location of the interfaces (rear view):
1
2
4
5
RS232 Port 1 and 2
RS232 Port 4 and 5 (optional)
USB Device
Cash Drawer
LAN (Ethernet optional)