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Software Installation
Smartio CP-104UL User’s Manual 3-7
1. Click on a specific port from the CP-168U Series Installation window, and then click on
[Port Setting] to open the Port X dialog box.
2. Select a COM number for the port from the Port Number pull-down list.
3. Check the Auto Enumerating COM Number check-box to have subsequent ports mapped to
continuous COM numbers. For example, if COM 3 is assigned to Port 1, then COM 4 will be
automatically assigned to Port 2.
4. 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.
5. 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 the change to
all ports check-box to apply the just defined Tx FIFO Size to all ports.