Keyspan 1.9 User Manual

Page of 41
6.1 - Problem Solving
If you are having problems with your Keyspan USB to Serial Adapter in Mac OS, please read 
the following instructions to assist you in troubleshooting your Keyspan adapter.
Hardware Troubleshooting
 
Step 1
 - 
Use the Keyspan Serial Assistant 
 
application, the 'Serial Adapter Status' text box will report 'Driver and USA-19W Device found 
OK' or '...Renumerating...Done'.  These messages indicate the Keyspan adapter software and 
hardware are installed properly.
If you do not receive either of these messages, please contact 
 for further 
assistance. 
Otherwise, skip ahead to Step 2
Software/Serial Device Troubleshooting 
Step 2
 - 
Check The Physical Connections 
Make certain that your serial device is powered on and is properly connected to the Keyspan Serial 
Adapter.  
Proceed to Step 3 ... 
Step 3
 - 
Check Your Serial Device's Software Configuration 
Check to see if your serial device's software is configured to use the Keyspan port . Please refer to 
your serial device's documentation for instructions on how to select/switch/configure a serial port in 
that software.
Once you've found your software port configuration screen, does it display the Keyspan High 
Speed USB Serial Adapter port name(s)?
 Keyspan:High Speed USB Serial Adapter for Mac OS-v1.9 User Manual
This User Manual applies to the Keyspan High Speed USB Serial Adapter Software  for Mac OS
(rev 02may12JA) 
Page 19