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.
ATTENTION: In some conditions, we recommend the installation of a ferrite core on the power supply cable.
+VCC
Power supply
cable
(optional)
RS232
Power supply
serial
PC
USB device
21
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