Keyspan 1.9 User Manual

MODEM port emulation is not available on any Mac that has an internal 
modem as internal modem typically emulates the MODEM port 
(PRINTER port emulation is typicall available on these Macs). Printer 
Port emulation can turned ON by using the 

Advanced Setting's screen.  

On Mac OS, Port 1 on the Keyspan High Speed USB Serial Adapter is named 
"

". This port is accessible by selecting the "

" port name 

or the USA19W icon in your serial device's software . This port is published via the CommToolBox 
and can be accessed by CommToolBox Savvy software.

On Macs that do not have built-in serial ports (ie 'Blue and White' G3s, iMacs, iBooks, G4s, etc...), 
Port 1 can emulate the PRINTER port (as found on older Macintosh computers) for serial devices 
that are not CommToolBox Savvy and can't access the "

" port. Printer Port 

's

 Advanced Setting's screen. Once 

you've emulated the Printer port, Port 1 will be accessible by selecting the 'PRINTER' port icon or 
'Printer Port USB' port name in your serial device's software. Printer port emulation is turned OFF 
by default.  

Note: If you install more than one Keyspan High Speed USB Serial 
Adapters on your Mac, Port 1 on subsequent adapters will have 
different names (please contact Keyspan for details). 

This User Manual applies to the Keyspan High Speed USB Serial Adapter Software  for Mac OS. 

(rev 02may12JA) 

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