User's Manual Part 2

NPort W2004 User’s Manual Installing and Configuring the Software
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8. In the Basic Setting panel, use the COM Number drop-down list to select a COM number
for the NPort’s first serial port. Check mark the Auto Enumerating COM Number for
Selected Ports checkbox to automatically assign the next available COM number to the
second serial port. Note that ports that are “in use” will be labeled accordingly.
Click on the Advanced Setting tab to modify Tx Mode, FIFO, and Flash Flush.
Tx Mode
Hi-performance mode is the default for Tx mode. When the driver finishes sending data to
the NPort W2004, the driver will issue a “Tx Empty” response to the program.
Under classical mode, the driver will not notify the user’s program that Tx transmission is
finished until all Tx data has been sent out from the NPort W2004. This ODE will cause