Keyspan:USB Twin Serial Adapter for Mac OS-v1.9 User Manual
Note: You can only have one PRINTER port and one MODEM port on
any given computer. In order for the Keyspan adapter to emulate
either of these ports, the MODEM or PRINTER ports must not be 'in
use' or registered by other software or hardware. For example,
PRINTER/MODEM port emulation is not available on a Mac that already
has a MODEM and PRINTER builtin (any pre-USB Mac). 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/Modem Port
emulation can turned ON by using the
Advanced Setting's screen.
On Mac OS, Port 1 on the Keyspan USB Twin Serial Adapter is named "
This port is accessible by selecting the "
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 "
emulation can turned ON by using the
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.
On Mac OS, Port 2 on the Keyspan USB Twin Serial Adapter is named "
This port is accessible by selecting the "
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 2 can emulate the MODEM port (as found on older Macintosh computers) for serial devices
that are not CommToolBox Savvy and can't access the "
emulation can turned ON by using the
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 USB Twin Serial Adapter on
your Mac, Port 1 and Port 2 on subsequent adapters will have different
names (please contact Keyspan for details).
This User Manual applies to the Keyspan USB Twin Serial Adapter Software for Mac OS.
Keyspan Serial Assistant
P#1USA28Xyyxx
P#1USA28xyyxx
Keyspan Serial
Assistant's
P#2USA28Xyyxx
P#1USA28xyyxx
Keyspan Serial
Assistant's
(rev 02may12JA)
Page 4
's
P#1USA28Xyyxx
" port name or the USA28X icon in
" port. Printer Port
Advanced Setting's screen. Once
P#2USA28Xyyxx
" port name or the USA28X icon in
" port. Printer Port
Advanced Setting's screen. Once
".
".
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