User's Manual

CB Series PC104 Plus User’s Manual Software Installation
2. Under Port Number, select a COM number to assign to the serial port.
Select Auto Enumerating COM Number to map subsequent ports in numerical order. For
example, if COM 3 is assigned to Port 1, then COM 4 will be automatically assigned to Port 2.
Tx FIFO Rx FIFO
High 128 bytes 120 bytes
Middle 64 bytes 60 bytes
Low 1 byte 1 byte
Select an Rx FIFO Trigger. The default value is 120 bytes (high level). Select Set the
change to all ports to use this setting for all serial ports on the module.
Select a Tx FIFO Size. The default value is 128 bytes (high level). Select Set the change to
all ports to use this setting for all serial ports on the module.
3-27