Troubleshooting
This troubleshooting guide will guide you in solving problems with the Keyspan USA-19HS hardware
and software installation.
Before you begin, make sure that you have:
• installed the latest USA-19HS software (available from our website)
• your USA-19HS adapter is connected to your USB port
Note:
If you are downloading software from Keyspan's website, make sure you download the USA-19HS driv-
ers. Keyspan has drivers for other adapters such as the USA-19, USA-19Qi, USA-19QW, etc. These
drivers are not compatible with the USA-19HS.
1. Open
Keyspan Serial Assistant
utility (START menu > (All) Programs > Keyspan > Keyspan Serial As-
sistant). You will be presented with a window that looks like the following:
Keyspan Serial Assistant window
<Option 1>
The Keyspan Serial Assistant will show your adapter's COM port and status (ie COMxx:Idle or COMxx
busy).
The
IDLE
message means that your serial device's software is not currently accessing the Keyspan
port).
The
BUSY
message means that a program (software) has accessed the Keyspan COM port. In most
cases, this means that you are ready to start using your serial device via the Keyspan adapter.
If your COM port appears, the Keyspan software and hardware is installed correctly. You do not need
to read the rest of this troubleshooting guide.
'
<Option 2>
If the message '
NO KEYSPAN USB SERIAL ADAPTERS FOUND
' appears, proceed to Step 2.
2. Look at your Keyspan adapter hardware. On the front of the adapter, it will have the work
Keyspan
printed on it. On the back of the adapter, find the printed p/n number (located under
USA-19HS - User Manua
l
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