the Test Type box
The Test Type box allows to specify how many times the selected test will be repeated when you
press the Test button. Use the Quick option to perform the test once. To perform a subsequent test,
press the Test This Port button. Use the Continuous option to repeat the test continuously. To
stop the test, press the Stop Test button (the Test This Port button becomes the Stop Test button
during a test).
the Test Speed pull down menu
The Test Speed pull down menu allows to specify the speed (baud rate) at which the port will be
tested at when you press the Test This Port button button.
the Test Status box reports
The Test Status box reports the test status or results of the selected COM port.
the Receive FIFO Buffer Size pull down menu
The Receive FIFO Buffer Size pull down menu allows you to configure the number of characters
which are stored in the card's "First In First Out" input buffer ("FIFO") before they are made
available to the computer. The default value of this parameter is "16". The Receive FIFO improves
the reliability of data transfer at high speeds. You can turn this option OFF for performance
reasons however this is not necessary in most cases.
the Update Configuration button
The Update Configuration button updates the Keyspan adapter with the changes you have made
in the Properties tab. Please note that these changes will take effect when you click the Update
Configuration button.
Keyspan:USB Serial Adapter for Windows-v3.4 Manual
This User Manual applies to the Keyspan USB Serial Adapter Software for Windows.
Rev 03jul13
Page 13
