US Robotics 3CP3453 Quick Installation Manual page 21

56k corporate modem windows 95, 98, nt, 2000, me, xp
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Possible Solution: You may have a bad phone cord connection to the
modem. Try the modem with a different phone cord. We recommend that
you use the phone cord included with the modem, if possible.
How to Check for a Non-standard Dial Tone
1.
Open a terminal program, such as HyperTerminal, in Windows.
2.
Select Cancel at the new connection dialogue box to open the Terminal
window.
3.
Type AT and press ENTER. You may not see the letters, which is fine.
4.
The modem should respond with an OK message. If you did not see the let-
ters A and T as you typed them, type ATE1 and press ENTER. You should
now see the AT commands as you type them, in addition to the responses.
5.
Type ATDT and press ENTER.
6.
If the modem comes back with a No Dial Tone message, type the phone
number of a local ISP (Internet Service Provider) or BBS number and press
ENTER.
NOTE:
The number in the command code is the actual number to be
dialled.
7.
If the modem dials out instead of coming back with a No Dial Tone mes-
sage, you have a non-standard dial tone. At this point you should either
have your phone line checked or try adding X3 to the Extra Settings field.
Access Extra Settings for help locating the Extra Settings field specific to
your operating system.
8.
If the modem doesn't attempt to connect and it comes back with a No Car-
rier message, the issue may not be phone line related.
Closing the window to end your HyperTerminal session.
Select No when the Are you sure you want to disconnect? message
appears. Select Yes when the Are you sure you want to save this
session? message appears.
My modem won't dial out or doesn't answer incoming calls.
Possible solution: Make sure that you are using the power supply that came
with your modem; other similar-looking power supplies may be of different
19

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