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Keyspan Serial Assistant has been discontinued

Top community discussions about Keyspan Serial Assistant

  • Is there a better alternative to Keyspan Serial Assistant?

    See discussion
  • Is Keyspan Serial Assistant really the best app in Other category?

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  • Will Keyspan Serial Assistant work good on macOS 10.13.4?

    See discussion
Keyspan USB Adapter contains the drivers for the following adaptors:
  • One Port DB9: USA-19HS
  • Two Port Din8: USA-28XG
  • Four Port: USA-49WG
  • Other: UPR-112G
Note: While the Version 2.6 software may also function on the following Keyspan hardware, it is not supported
  • Twin Serial Adapter (p/n's: USA-28X, USA-28XA and USA-28XB)
  • PDA Adapter (p/n's: USA-19 and USA-19Qi)
  • High Speed Serial Adapter (p/n's: USA-19W and USA-19QW)
  • Serial Adapter (p/n USA-18X)
  • USB Serial Adapter (p/n USA-28)
  • 4-port Serial Adapter (p/n's: USA-49W, USA-49WLC and USA-4E230)
  • Serial port in Mini Port Replicator

What's New in Keyspan Serial Assistant

Version 2.6:
  • adds 10.6 compatibility (32bit and 64bit). 
Note: Version 2.6 is only compatible with Mac OS X 10.6 (aka Snow Leopard). It is NOT compatible with older versions of Mac OS X (10.5 or older).

Requirements for Keyspan Serial Assistant

  • Mac OS X 10.6 or later
  • Keyspan USB adapter.

*Previously available here
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Keyspan Serial Assistant User Discussion

3.5 3
Current Version (2.x)
Downloads 38,014
Version Downloads 11,102
License Free
Date 01 Sep 2009
Platform OS X / PPC 32 / Intel 32
Price Free
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