Keyspan USA-28

KC Hundere khundere at gmail.com
Wed May 19 11:19:59 EDT 2021


Be aware my research shows there are issues with the Apple provided FTDI
driver:

> At its core appears to be that the built-in FTDI driver provided by Apple
> (AppleUSBFTDI.dext) only supports FTDI chips which provide the standard
> FTDI vendor and product ID (e.g. 0x0403 and 0x6001 respectively for the
> FT232R). Many products however set a custom product ID (PID) to
> differentiate their device,There are 80 standard FTDI devices which are
> covered by Apple's FTDI DriverExtension, and 402 customer specific devices
> that are not


I have also seen reference to someone who was successful getting Keyspan
dongles to work on Big Sur with the USA-28X driver from OSX 10.6.

-- 
KC Hundere

On Tue, May 18, 2021 at 7:40 PM Dave Fleck <dfleck at pacifier.com> wrote:

> I tried pretty hard to get my Keyspan devices working on Big Sur with
> Apple M1 silicon but was unsuccessful.
>
> I agree with Jack to go with FTDI, but Prolific and Silicon Labs CP2102
> devices are also working fine for me.
>
> Dave
>
> On May 18, 2021, at 6:19 PM, William R Vogel <hightrailrider at icloud.com>
> wrote:
>
> I thought I was ready to upgrade my Xtension systems (Primary & Backup) to
> newer Mac Minis, as my current ones top out at El Capitan and I want to be
> ready for future updates.
>
> I could not get the XTB-232 to connect and Xtension complained that the
> Keyspan USA-28 was not found. I poked around and tried various things,
> including looking back at the archive for this list. It appears that Big
> Sur no longer supports the old drivers and I could not find new ones.
>
> Swapped everything back to old system and I’m back on the air.
>
> Is there a new driver for the Keyspan, or should I purchase FTDI based
> adaptors?
>
> Thanks, Bill
> _______________________________________________
> XTensionList mailing list
> XTensionList at machomeautomation.com
> http://mail.machomeautomation.com/mailman/listinfo/xtensionlist
>
>
> ----------
> “If we knew what it was we were doing, it would not be called research,
> would it?” ― Albert Einstein
>
> _______________________________________________
> XTensionList mailing list
> XTensionList at machomeautomation.com
> http://mail.machomeautomation.com/mailman/listinfo/xtensionlist
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.machomeautomation.com/pipermail/xtensionlist/attachments/20210519/9ff80ee0/attachment.html>


More information about the XTensionList mailing list