
3. (SERIAL) The BlueVue Device Manager message box displays “COMx is
already in use”
Possible cause:
Another software application is already using the COM port.
Troubleshooting:
Close all applications that could be using the serial port, including other instances of
BlueVue Device Manager, then try again.
4. (SERIAL) The BlueVue Device Manager message box displays “Detecting
modem on COMx” indefinitely, or displays a warning about an unsupported
modem
Examine the DTR LED. If it is off, then the computer and the modem are not
communicating.
Possible cause:
The wrong type of cable is being used.
Troubleshooting:
Use a straight-through RS232 standard DB9 cable. If using a custom-made cable,
confirm that it follows the instructions in Section 11.6. If the
correct cable
is being
used, then the
DTR LED
on the modem will
turn on
when BlueVue Device Manager
attempts to access it.
Possible cause:
BlueVue Device Manager is trying to connect to the wrong COM port.
Troubleshooting:
Confirm that the
correct COM port
is selected in BlueVue Device Manager. It will
attempt to use COM1 by default, but computers with built-in dial-up modems might
have COM1 assigned to the built-in modem instead. To set the COM port BlueVue
Device Manager should use, click on
Tools > Settings > Connection
and browse
through the available COM ports. If the
DTR LED turns on
, then you will have found
the right COM port.
5. (SERIAL) The BlueVue Device Manager message box displays “Detecting
modem on COMx” and then “Modem is not responding”
Possible cause:
BlueVue Device Manager and the modem are using different serial port settings.
Troubleshooting:
Installing BlueVue Device Manager 1.7.1 or later will allow communication with a
modem regardless of its serial settings.