Keyspan USA-28x Free Driver Download (Official)

Keyspan USA-28x Free Driver Download (Official)  for Mac OSX
2 Ratings (see all reviews)

Supported Models

USA-28x Driver



Supported Operating Systems


File Name

KeyspanUSA28Xv19.sit.bin (565.8 KB)

Search All Keyspan USA-28x Drivers

Uploader Notes

Mac OS 8.6 - 9.x

This file contains version 1.9 of the Keyspan USB Twin Serial Adapter installer.

Release Notes:

* improves overall serial communications

* IMPORTANT INFORMATION for Mac OS X users: If you are running Mac OS X and want to use your Keyspan serial adapter in 'Classic', do NOT install the Mac OS X software.

Uploaded By

Alagappan (DG Staff Member) on 9-Apr-2005

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