Solving Modem Problems - HP Armada 7300 Reference Manual

Solving Modem Problems

Problem
No dial tone.
17-14 Troubleshooting
Possible Cause
Phone service is not
connected or is
temporarily inter-
rupted.
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.
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.
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