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15-16 Troubleshooting
Writer: J Abercrombie Project: Chapter 15 Comments: 113733-001
File Name: P-CH15.doc Last Saved On: 5/18/99 3:23 PM
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Solving Modem Problems
Continued
Excessive line current
sensed message.
Modem is connected
to a digital line.
Connect the modem to a standard
analog telephone line, then reestablish
the connection.
No dial tone, with or
without NO DIAL TONE
message.
You are not in your
home country and
the modem does not
recognize the local
dial tone.
Refer to the “Travel Connection
Checklist” in Chapter 7.
At the command line in terminal mode,
type ATX3DT.
Telephone service is
not connected to the
telephone wall jack.
Connect a telephone to the wall jack. If
you do not hear a dial tone, contact
your telephone service provider.
A shared telephone
line is in use.
Make sure another telephone or
modem is not using the telephone line.
Modem is connected
to a digital line, such
as an office PBX line.
Connect the modem to a standard
analog telephone line, then reestablish
the connection.
Speaker Control AT
Command (ATM) is
set to 0.
1. At the command line in terminal
mode, type ATM1, then press
Enter.
2. Type ATH1 and listen for the
sound of the dial tone.
The modem or
modem COM port is
disabled.
Refer to “Disabling a Device” in
Chapter 11.
Continued