Tripp Lite USA-19HS Owner's Manual for Windows v3.4 USA-19HS USB Serial Adapte - Page 15
assigns a COM port number or numbers if your Keyspan adapter has multiple serial - manual
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Keyspan:USB Serial Adapter for Windows-v3.4 Manual Note: You may have COM ports assigned or 'set aside' for hardware that may not be installed on your computer depending on how your computer was setup by its manufacturer. the COM port mapping pull down menu The COM port mapping pull down menu allows you to reassign the selected Keyspan COM port in the COM port list window. This window also reports whether a COM port is 'in use'. In this menu, 'in use' means that the selected COM port has assigned or reserved. It is highly recommended that you only change the COM port mapping to COM ports that are not 'in use'. Note: The COM port mapping pull down menu allows you to change the COM port mapping to any COM port including those that have already been assigned (aka in use). Changing the COM port mapping to a COM port that is in use may render any hardware and/or software using that port inoperable. the Adapter Port Mapping Mode box The Adapter Port Mapping Mode box allows you to change the behavior of how Keyspan COM port numbers are assigned when you connect the Keyspan adapter to a different USB port than the one it was originally connected to. Dynamic assigns a COM port number (or numbers if your Keyspan adapter has multiple serial ports) to a particular Keyspan adapter. If you disconnect the Keyspan adapter and connect it to a different USB port, the COM port number of that Keyspan adapter will not change. This is the default setting and is recommended setting if you only have one Keyspan adapter. Geographic assigns a COM port number (or numbers if your Keyspan adapter has multiple serial ports) to a particular USB port on your computer. If you disconnect the Keyspan adapter and connect it to a different USB port, the COM port number of that Keyspan adapter will change. This setting is recommended if you are using multiple Keyspan adapters and want the COM port numbers to remain the same. (continued on next page...) Rev 03jul13 This User Manual applies to the Keyspan USB Serial Adapter Software for Windows. Page 15