User's Manual Chapter 13

41
Condition
Noisy
telephone
line
Dial tone
present but
unable to
initiate
telephone
call
No high-
speed
Internet
access
service
Possible Cause
Faulty inside
wiring
Faulty telephone
Pulse-dial
telephone
Unit in error mode
No power
No connection
between PC
HomeLAN card
and Indoor Unit
Indicator
Light
Green
Green
Green
Red
Off
Green
Action to Take
Unplug the telephone cable from the L1&2
and L2&1 connectors. Plug a telephone directly
into the L1&2 connector at the back of the unit.
If the line clears up, check your home inside
wiring. If equipment such as a PC has been added
to the circuit, disconnect it and see if that resolves
the problem. And if it does not, contact AT&T
Digital Broadband Customer Service.
Replace telephone. If this does not resolve
the issue, contact AT&T Digital Broadband
Customer Service.
Switch to the tone-dial feature of your current
telephone, if available, or replace with a tone-dial
telephone. If this does not resolve the issue, contact
AT&T Digital Broadband Customer Service.
Contact AT&T Digital Broadband
Customer Service.
Ensure that the power cord is plugged into the
unit and the power outlet is active. If this does
not resolve the issue, contact AT&T Digital
Broadband Customer Service.
Verify that the HomeLAN card and software
have been installed correctly (refer to high-
speed Internet access guide). Ensure that the
connect indicator on the PC HomeLAN card
is on. If not, unplug the telephone cable from
the L1&2 and L2&1 connectors. Plug the PC
HomeLAN card directly into the L1&2 connector
at the back of the Indoor Unit. If you get the
connect light, there is a problem with your
home inside wiring. Attempt to connect to PC
at a different outlet. If you are still unable to
connect, contact AT&T Digital Broadband
Customer Service.
Special Conditions
This table provides possible solutions to special conditions you may encounter.
Condition
Indicator
light off
Indicator
light yellow
Indicator
light red
No dial
tone
Possible
Cause
No power
No AC power
Communication
to Outdoor
Unit
malfunctioning
Error
Phone off hook
No power
Inside wiring
not connected
to unit
Indicator
Light
Off
Yellow
Red
Red
Green
Off
Green
Action to Take
Ensure that the power cord is plugged into the unit and
the power outlet is active. If this does not resolve the
issue, contact AT&T Digital Broadband Customer Service.
The Indoor Unit is currently running on battery power.
Ensure that the power cord is plugged into the unit and
the power outlet is active. Also check the circuit breaker
for a tripped switch. If this does not resolve the issue,
contact AT&T Digital Broadband Customer Service.
The dual coaxial cable between the Indoor Unit and
the Outdoor Unit should never be removed. If you
have disconnected these cables at any time, verify
that they have been reconnected as indicated in the
Customer Location Equipment Interconnection
drawing on page 39. If this does not resolve the issue,
contact AT&T Digital Broadband Customer Service.
Contact AT&T Digital Broadband Customer Service.
Check that all telephones are on hook. If this does not
resolve the issue, contact AT&T Digital Broadband
Customer Service.
Ensure that the power cord is plugged into the unit and
the power outlet is active. If this does not resolve the
issue, contact AT&T Digital Broadband Customer Service.
Unplug the telephone cable from the L1&2 and
L2&1 connectors. Plug a telephone directly into the
L1&2 connector at the back of the unit. If you get a
dial tone, check your home inside wiring. If you do
not get a dial tone, contact AT&T Digital Broadband
Customer Service.
40
FPO FPO
Helpful Hints (cont.)
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