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The CPU
Interfaces
The COM1 interface of the BEETLE /XL is for connecting standard
peripherals that have a separate power supply. The COM2*, COM3* and
COM4* interfaces are used to connect special POS peripherals that do not
have a separate power supply, such as a scanner or a display. The
BEETLE /XL also has a parallel interface and a DC24/4A power supply
interface for connecting POS printers, and two mini-DIN sockets for
connecting a keyboard and a cash drawer.
Loudspeaker
A loudspeaker is connected to the CPU. You can adjust its volume by
means of the control on the rear panel of the modular POS system (see
page GB - 17).
Nonvolatile RAM (NV-RAM)
This memory chip can be used to store important data - such as sales
totals or diagnostic entries - by means of the appropriate software and
independently of the power supply. The data is retained for more than five
years.
GB - 38
The BEETLE /XL components
We advise you to connect to the BEETLE /XL only
devices that are approved by WN. If you are in any
doubt, contact your WN branch.
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