Cingular X-C 6250 Pro (300) - Manual (Page 130)

130
X-C 6250 Pro (300) NT User’s Manual
79-0030-001 11 January 2001
Landline Modems
The modem doesn’t work
•
Make sure a modem is installed. Locate the “Config” string label on
the bottom of the mobile computer; a modem is not installed if the
seventh digit is Z.
•
When you first try to use HyperTerminal or similar application, the
system may respond with a message asking if you want to install the
modem. Answer “Yes” to this question and follow the instructions on
the screen to install it.
• Make sure the communication settings are correct in your
application. Refer to the online Help for your application.
•
Make sure you have the correct COM port selected in your
application. Refer to the online Help for your application. The
following table describes the correct settings for each modem type.
Modem type
COM port
External COM1 or COM2
Internal landline COM4
Internal CDPD / GSM COM3
•
Make sure that the Interrupt Request lines (IRQs) for COM3 or
COM4 specified for Windows match the IRQ lines specified in the
SCU. SCU has no settings for COM3. See Section 5, “Customizing
Settings” for additional information on SCU settings.
The modem doesn’t dial a number
Check these things:
•
If you are using an external modem, make sure the cables are
attached correctly.
•
If you are using an internal modem, make sure the modem is
installed. Check with your organization to determine if your computer
has an optional internal modem installed.
• Make sure your communications parameters are correct in your
application. Refer to the online Help for your application.