Compaq Armada E700 Compaq Armada E700 Series Reference Guide - Page 130

Solving Modem Problems - service manual

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Solving Modem Problems If you are troubleshooting a modem PC Card problem, refer also to "Solving PC Card Problems" in this chapter. Solving Modem Problems Problem Possible Cause Solution Modem does not work. Modem is connected through an optional docking base. Connect the modem through the RJ-11 jack on the computer. ERROR message. Typing error. If you are typing from the command line in terminal mode, verify, then retype the command. EXCESSIVE LINE CURRENT SENSED. SEE OWNER'S MANUAL FOR DETAILS 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 Refer to the "Travel home country and Connection Checklist" in the modem does Chapter 9. not recognize the local dial tone. At the command line in terminal mode, type ATX3DT. Telephone service Connect a telephone to the is not connected to wall jack. If you do not hear a the telephone wall dial tone, contact your jack. telephone service provider. A shared Make sure another telephone telephone line is in or modem is not using the use. telephone line. Modem is Connect the modem to a connected to a standard analog telephone digital line, such as line, then reestablish the an office PBX line. 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. Continued Troubleshooting 17-15

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Troubleshooting
17-15
Solving Modem Problems
If you are troubleshooting a modem PC Card problem, refer also
to “Solving PC Card Problems” in this chapter.
Solving Modem Problems
Problem
Possible Cause
Solution
Modem does not
work.
Modem is
connected through
an optional
docking base.
Connect the modem through
the RJ-11 jack on the
computer.
ERROR message.
Typing error.
If you are typing from the
command line in terminal
mode, verify, then retype the
command.
EXCESSIVE LINE
CURRENT
SENSED. SEE
OWNER’S
MANUAL FOR
DETAILS 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 9.
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.
Continued