Keyspan 1.9 User Manual

the Advanced Settings button

The Advanced Settings button will access the Keyspan adapter's advance configuration options. 
Once you click this button, you will open the 

You should only access this option if your serial device requires that 
you turn on an advanced option on or if you are sure of what you are 
doing.  In most cases, you will not need to change any of the adapter's
advanced options.

the Assist menu

The Keyspan Serial Assistant's Assist menu is located in the Menu bar and provides access to the 
following command(s):

• The Loopback Test command performs an 'internal loopback test.' This tests the ability of 

the Adapter to send data.  Since this test does not test the ability to receive data.  
Results of this test listed in the Serial Adapter Status text box. Please note that this test 
cannot take place when the Keyspan serial port is in use by another application.

• The Advanced Settings button will access the Keyspan adapter's advance configuration 

options. Once you click this button, you will open the 

• The External Loopback command tests the Adapter's ability to send and receive data.  

This test requires an external 'loopback connector'.  For details about external loop back 
connectors, please read the External Loopback Connector information in 

This User Manual applies to the Keyspan High Speed USB Serial Adapter Software  for Mac OS. 

(rev 02may12JA) 

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