Lindy RS-422/485 - Manual (Page 20)

‹ 8.0 Configure COM port
(1) Select the PCI Serial Port which you want to configure, for example COM3.
Right click the mouse, and select “Properties”.
(2) Click “Port Settings”.
Configure the Bits per second, Data bits, Parity, Stop bits and Flow control if
you want to change them.
There are three kinds of flow control: Xon/Xoff, Hardware and None.
Xon/Xoff is using software protocol. Hardware means the flow control is using
RTS/CTS, but the RTS/CTS is controlled by software. None means there is no
flow control.
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