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3.2 Connections
The following igure shows the possible connections for the device. When the RS232 and USB communication cables are
connected to the device at the same time, communication takes place via the USB port.
Power supply
Power supply
cable
(optional)
+VCC
PC
USB device
RS232
serial
ATTENTION: In some conditions, we recommend the installation of a ferrite core on the power supply cable.
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