2.Click on the desired CP-168U board, and then click on [Properties].
3.Select the [Ports Configuration] tab, click on the specific port, and then click on the [Port Setting] button.
4.Check the Auto Enumerating COM Name check-box to assign continuous COM numbers for subsequent ports. For example, if COM3 is assigned to Port 1, then COM4 will be automatically assigned to Port 2.
5.Select an Rx FIFO Trigger from the Rx FIFO Level pull-down list. Rx FIFO trigger levels from High to Low are available, with a default value is High Level (120 bytes). Check Set the change to all ports check-box to apply the just defined Rx FIFO Trigger to all ports.
6.Select a Tx FIFO Size from the Tx FIFO Level pull-down list. Tx FIFO Level from High to Low are available, with a default value is High Level (128 bytes). Check Set
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