IBM 56K Modem, Руководство по установке

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56K Modem Internet Kit
6-5
Possible Solution
If you have voice mail service provided by your phone company, your
dial tone may be altered because messages are waiting. Retrieve your
voice mail messages to restore your normal dial tone. Also you can
use AT commands to force modem operation without waiting for a
dialtone (see the AT command reference in the readme file on the
installation diskette, and reference Xn and S6 commands).
Possible Solution
If your modem does not answer the phone, your software may not
have auto answer enabled. Find the auto answer setting in your
communications software. Or if your software uses AT commands, the
command is ATS0=L.
Possible Solution
You may have plugged your modem’s phone cord into a digital line.
Plugging your modem’s phone cord into a digital phone line can
damage the modem. Call your phone company if you are unsure
whether or not your phone line is digital.
Problem
Modems sound like they are exchanging carrier signals, but fail to
establish a connection, or fails to maintain a connection.
Possible Solution
You may have a poor line connection. Place the call again. Calls are
routed differently each time.
Possible Solution
Check the number you are dialing. Call your ISP to confirm the phone
number and supported protocols
.
Possible Solution
Do you having call waiting on your phone system? If so, check with
your carrier for the phone keystrokes that will disable it in your area.
For some areas, this is *70.
Problem
Your 56K modem cannot achieve a 56K connection
Possible Solution
This modem is capable of 56Kbps downloads. However, due to FCC
rules which restrict power output of the service providers’ modems,
current downloads are limited to a maximum possible speed of
53Kbps. Actual speeds may vary depending on line conditions and