IBM 6643, Руководство пользователя

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66
User Guide
General
modem/communication
problems. 1. Make sure the telephone cords are connected correctly
and securely. Connections for a standard modem are
shown in “Disconnecting cables” on page 42. If you
are using other communication devices in conjunction
with the modem, such as an asymmetric digital
subscriber line (ADSL) adapter or home networking
adapter, refer to the documentation for those devices
to ensure the cords are properly connected.
2. Make sure the telephone line works. If you have a
telephone connected to the modem, try making a call.
If you do not have a telephone connected to the
modem, plug a telephone into the same telephone
outlet that the computer is plugged into (remember to
reconnect the computer to the telephone outlet after
verifying that the line is working).
3. Make sure you are calling the correct number and that
you are using the correct communications settings.
For additional help, refer to the documentation for
your communications software.
4. Make sure no one else is using the telephone while
you are communicating with another computer.
5. If you have Call Waiting, make sure it is disabled.
6. If some communications programs work but others
do not, there might be a configuration problem. For
additional help, refer to the documentation for your
communications software.
7. Make sure your modem cord is attached to an analog
telephone line. The local telephone company can
determine the type of telephone line.
8. Make sure the modem is securely installed inside the
computer. (See “Removing the rear cover” on page
42.)
If these actions do not correct the problem, run the
diagnostic programs (see “Running the IBM Enhanced
Diagnostics program” on page 70). If you need technical
assistance, see “Chapter 7. Getting help, service, and
information,” on page 75.
Symptom Action