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CP-118U User’s Manual Software Installation
3-41
4. Select a COM number for the port from the Port Number pull-down list.
5. Check the Auto Enumerating COM Number checkbox to map subsequent ports
automatically. The port numbers will be assigned in sequence. For example, if COM3 is
assigned to Port 1, then COM4 (if not already occupied) will be assigned to Port 2, etc.
6. Select an Rx FIFO Trigger from the Rx FIFO Level pull-down list. Rx FIFO trigger levels
of High, Middle, and Low are available, with the default set to High (120 bytes). Check Set
the change to all ports checkbox to apply this Rx FIFO Trigger to all ports.
7. Select a Tx FIFO Level from the Tx FIFO Level pull-down list. Tx FIFO Levels of High,
Middle, and Low are available, with the default set to High (128 bytes). Check Set the
change to all ports checkbox to apply the just defined Tx FIFO Size to all ports.
CP-118U
Tx FIFO Rx FIFO
High 128 120
Middle 64 60
Low 1 1
Unit: Bytes