Compaq 1700 Armada 1700 Family of Personal Computers Reference Guide - Page 153

Solving Modem Problems, Problem, Possible Cause, Solution, Go to Terminal Mode

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Solving Modem Problems Continued Problem Possible Cause Solution No dial tone Phone service is not connected to the telephone wall jack. Verify service from the local phone company by the following steps: 1.Unplug the telephone cable from the telephone wall jack. 2.Connect a telephone to the jack, pick up the handset, and listen fo r a dial tone. If there is a dial tone, reconnect the modem to the telephone wall jack with the telephone cable and make sure all connections are secure. If there is still no dial tone, contact your local phone company or building manager. Phone is connected to Plugging the modem into a digital PBX jack. a digital line will result in no dial tone. Reconnect the modem cable to an analog phone jack, then reestablish connection. The modem is not responding to commands from the computer keyboard. Verify the modem and computer are connected: 1.Click Start Æ Programs Æ Accessories Æ HyperTerminal. 2.Go to Terminal Mode, then type AT and press the Enter key. 3.If the modem displays OK, the modem and computer are working together. If the modem displays ERROR, or does not respond, restart the computer and repeat step 1. 4.Type ATDT and listen for a dial tone. 5.Type ATHO to hang up. Continued Troubleshooting 16-13

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Troubleshooting
16-13
Solving Modem Problems
Problem
Possible Cause
Solution
No dial tone
Phone service is not
connected to the
telephone wall jack.
Verify service from the
local phone company by
the following steps:
1.Unplug the telephone
cable from the
telephone wall jack.
2.Connect a telephone to
the jack, pick up the
handset, and listen fo r
a dial tone. If there is a
dial tone, reconnect the
modem to the
telephone wall jack with
the telephone cable
and make sure all
connections are
secure. If there is still
no dial tone, contact
your local phone
company or building
manager.
Phone is connected to
a digital PBX jack.
Plugging the modem into
a digital line will result in
no dial tone. Reconnect
the modem cable to an
analog phone jack, then
reestablish connection.
The modem is not
responding to
commands from the
computer keyboard.
Verify the modem and
computer are connected:
1.Click Start
˘
Programs
˘
Accessories
˘
HyperTerminal.
2.Go to Terminal Mode,
then type
AT
and press
the
Enter
key.
3.If the modem displays
OK, the modem and
computer are working
together. If the modem
displays ERROR, or
does not respond, restart
the computer and repeat
step 1.
4.Type
ATDT
and listen
for a dial tone.
5.Type
ATHO
to hang up.