Moxa Technologies C104H/PCI Series user manual

10. Select a COM number for the specific port from Port Number pull-down list.

Note! Step 11 is optional, if you want to assign COM numbers to ports manually.

11.Check Auto Enumerating COM Number check-box then the subsequent ports are 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.

Note! You may skip Step 12 to 15, if the system doesn’t require a special performance tuning.

12.Select an Rx FIFO Trigger from Rx FIFO Trigger pull-down list.

Rx FIFO trigger levels, at 1, 4, 8 or 14 bytes, are available, and the default value is 14 bytes.

3-4Smartio C104H/PCI Series User’s Manual