Elo TouchSystems C-series User Manual page 43

Normally, even if the operating system reassigns these serial ports, they
are still in order. In this case, you should re‐assign them as shown in the
following table.
USB Serial Port (COM5)
USB Serial Port (COM6)
Thus, the settings for these USB Serial Ports should begin at COM3 and
end at COM4 in order.
4. To re‐assign them, please follow the instructions below:
Double click the port you need to change. In this case, it is COM5.
Original one
C-S
Change to
USB Serial Port (COM3)
USB Serial Port (COM4)
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