Serial Ports and RR

Bill Vlahos bvlahos at
Tue Jan 22 13:47:01 EST 2002


Have you been able to use the KeySpan USB to Serial adapter under OS X 

Bill Vlahos

On Monday, January 21, 2002, at 08:36  AM, Gene Kennedy wrote:

> Hi David,
> Yes it is possible to use RR to control/communicate with devices over 
> serial porst
> using a USB-only Mac.  You need to buy a KeySpan USB to Serial adapter 
> (or some
> other competing device).  If you buy a new one you can configure the 
> adapter to
> emulate both the "Printer" and Modem" ports which are then accessable  
> through RR.
> If you buy an older version of the adapter (through ebay or some such 
> outlet) you
> can will be able to access the printer port but probably not the modem 
> port.
> KeySpan's drivers were updated along the way to provide modem port 
> emulation.  I
> have not tried an adapter with the X-10 software yet but, I do have a 
> number of RR
> applications running 24/7 using serial communications via KeySpan 
> adapters.
> Best regards,
> Gene Kennedy
>> Message: 7
>> Date: Mon, 21 Jan 2002 13:24:10 +1100
>> Subject: Read serial data?
>> From: David Vaughan <drvaughan55 at>
>> To: use-revolution at
>> Reply-To: use-revolution at
>> Is it possible to read serial data on a Mac with USB ports? In the
>> Transcript dictionary it refers only to reading Modem and Printer ports
>> which are the old Serial/LocalTalk ports, and I am wondering if these
>> commands will transpose to reading from the USB or if there is another
>> command or technique.
>> thanks
>> David Vaughan
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