Compaq Armada 7300 Armada 7300 Family of Personal Computers Reference Guide - Page 132

Solving Modem Problems

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Solving Modem Problems Problem No dial tone. Possible Cause Phone service is not connected or is temporarily interrupted. The modem is not responding to commands from the keyboard. Speaker Control AT Command (ATM) is set to 0. Solution Connect a phone to the wall jack. If the phone has no dial tone, contact your phone company or building manager. To verify the modem and computer are communicating: 1. Go to HyperTerminal Terminal Mode, type AT and press Enter. s If the modem displays OK, the modem and computer are working together. s If the modem displays ERROR, or does not respond, restart the computer and repeat step 1. 2. Type ATDT and listen for a dial tone. 3. Type ATH0 to hang up. To set the Speaker Control to 1: 1. Go to HyperTerminal Command Mode, type ATM1, then press Enter. 2. Type ATH1 and listen for the dial tone. 3. Type ATH0 to hang up. Continued 17-14 Troubleshooting

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17-14
Troubleshooting
Solving Modem Problems
Problem
Possible Cause
Solution
No dial tone.
Phone service is not
connected or is
temporarily inter-
rupted.
Connect a phone to the
wall jack. If the phone
has no dial tone, contact
your phone company or
building manager.
The modem is not
responding to
commands from the
keyboard.
To verify the modem and
computer are
communicating:
1. Go to HyperTerminal
Terminal Mode, type
AT and press
Enter.
■
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.
2. Type ATDT and
listen for a dial tone.
3. Type ATH0 to hang
up.
Speaker Control AT
Command (ATM) is
set to 0.
To set the Speaker
Control to 1:
1. Go to HyperTerminal
Command Mode,
type ATM1, then
press
Enter.
2. Type ATH1 and
listen for the dial
tone.
3. Type ATH0 to hang
up.
Continued