User`s manual

CP-134U Series User’s Manual Software Installation
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8. Select the just installed CP-168U board from the Board Type pull-down list, click on a
specific port item, and then click on the Port Setting button to open the Port X window.
9. Select the ports’ COM number from the Port Number pull-down list.
10. Check the Auto Enumerating COM Number check-box to have subsequent ports mapped to
continuous COM numbers. For example, if COM3 is assigned to Port 1, then COM4 will be
automatically assigned to Port 2.
11. Select an Rx FIFO Trigger from the Rx FIFO Level pull-down list. Rx FIFO trigger levels
from High to Low are available, with the default set to High (120 bytes). Check Set the
change to all ports check-box to apply the just defined Rx FIFO Trigger to all ports.
12. Select a Tx FIFO Size from the Tx FIFO Level pull-down list. Tx FIFO Levels from High to
Low are available, with the default set to High (128 bytes). Check Set the change to all ports
check-box to apply the just defined Tx FIFO Size to all ports.
CP-134U V2/CP-134U-I V2 CP-134U/CP-134U-I
Tx FIFO Rx FIFO Tx
FIFO
Rx FIFO
High 128 120 64 56
Middle 64 60 32 28
Low 1 1 1 1
Unit: Bytes