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AT&T MERLIN 820 Administration Manual

AT&T MERLIN 820
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Isolating and Correcting Troubles
If something goes wrong in the operation of your
MERLIN
system, use the following troubleshooting chart to determine
the possible cause of the problem. In many cases, you can clear the trouble yourself without the need for a service call.
Troubleshooting Chart
Trouble
Possible Cause
Do This
You cannot make an outside call.
The telephone company lines maybe
Plug a standard modular telephone into
faulty.
the telephone company wall jack for your
incoming line that has the trouble.
If you experience the same problem when
you use the standard modular phone,
report the trouble to your local telephone
company.
The Outward Calls switches on the
Set Outward Calls switches to Yes (up).
control unit are set to No (down).
The Tone/Pulse switch on the control
Set the Tone/Pulse switch to Pulse. If you
unit is not set correctly.
purchase Touch-Tone service from the
telephone company, set the switch to
Tone.
All voice terminals are dead; that is,
All connections may not be secure.
Check the connections plugged into each
there are no lights, no dial tone. voice terminal, the control unit, and the
telephone company line jacks.
If there are any loose connections, make
them secure.
There is no power to the control unit.
If the green light on the control unit is off,
plug something else into the ac outlet to
see if it is supplying power. (Make sure the
control unit is not plugged into a switch-
controlled outlet.)
The red warning light on the control
The cartridges may be loose.
Unplug the control unit.
unit is lit.
Make sure that all cartridges are firmly
seated in the control unit slots.
Plug in the control unit.
Wait for a full 5 minutes.
If the red light goes out (and stays out), the
trouble is cleared up.
If the red light remains on, call your equip-
ment supplier.
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AT&T MERLIN 820 Specifications

General IconGeneral
BrandAT&T
ModelMERLIN 820
CategoryConference System
LanguageEnglish

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