4.3 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.
PLUS2 STD
ATTENTION: In some conditions, we recommend the installation of a ferrite core on the power supply cable.
Serial
RS232/TTL
USB device
USB standard
cable
Power supply
Power supply cable
(optional)
PC
23
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