AT&T MERLIN 1030 Installation Manual page 33

TROUBLESHOOTING TABLE (continued)
Trouble Possible Cause
When you lift the Faulty cable connec-
handset on one or
tions between the
more voice ter- network interface
minals, the green and the control unit
light goes on next to
the red light, but
there is no dial tone.
(continued)
A loose Line Module
Voice terminal Volume control
doesn't ring. switch
Ring option set
incorrectly
Do Not Disturb
feature activated
Do This
4. Reconnect the line cords to
the network interface jacks.
Unplug the line cords from the
Line Module jacks in the con-
trol unit. Plug each line cord
into a basic telephone (not a
MERLIN system voice ter-
minal) and listen for a dial
tone.
5. Set the power switch(es) on
the Power Module(s) to Off.
Remove each Line Module
from the control unit and
reinsert it so that each Line
Module is securely seated in
its slot. Set the power
switch(es) to On. (If you have
an expansion unit, switch it
On first.) Reconnect the line
cords to the Line Modules in
the control unit, and try to get
a dial tone on your MERLIN
system voice terminals.
1. Check the volume control set-
ting on the voice terminal.
Slide the switch to a higher
setting.
2. Slide the voice terminal's T/P
switch to P.
3. Slide the voice terminal's T/P
switch to P, touch the fifth but-
ton down in the leftmost row
of buttons (Intercom-Ring),
and dial * 71.
If
one or more line cords do not
pass on a dial tone to the basic
telephone
all line cords pass on a dial tone
the trouble no longers occurs
the trouble remains
the trouble persists
the red light next to the third but-
ton down in the leftmost row of
buttons does not glow steadily
the red light next to the third but-
ton down in the leftmost row of
buttons glows steadily
the red and green lights come
on next to the fifth button down
in the leftmost row of buttons
(Intercom-Ring)
either the green light or both
lights do not go on
Then
the line cords that do not pass on a
dial tone are faulty. Replace the
faulty line cords.
go to step 5.
you've corrected the problem.
your control unit is faulty. Call your
equipment supplier.
go to step 2.
touch the button to correct the
problem.
go to step 3.
the Do Not Disturb feature is ac-
tivated. Deactivate the feature
following the instructions in the ad-
ministration manual.
the Do Not Disturb feature is not
activated. Refer to the test for
trouble with lights, speaker, and
ringing.
31