Moxa Technologies C104H/PCI Series user manual

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

Note! Step 4 is optional, if you want to assign COM numbers to Ports manually.

4.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 5 to 8, if the system doesn’t require a special performance tuning.

5.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.

6.Check Set the change to all ports check-box then if desire to apply Rx FIFO Trigger just defined to all ports.

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