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Keyspan USB Twin Serial Adapter is the driver software that allows you to connect your Keyspan USB Twin Serial Adapter into your USB slot, allowing you to plug in hardware that requires the serial port such as StylWriters, Personal LaserWriters, HP DeskWriters, and more.


MacOS X.

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Current Version (.x)


Downloads 6,222
Version Downloads 2,859
Type Drivers / Other
License Free
Date 22 Mar 2001
Platform OS X / PPC 32
Price Free
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