NO LIGHTS OR DIAL
TONE
Symptom: All voice terminals are without lights or dial
tone.
Possible Cause
Possible Solution
To lnvestigate Further
1. The control unit is not
Follow the instructions under
If the green power light on
receiving power.
the control unit is on and the
on page 4-55.
trouble remains, call the
If the green power light is on
equipment supplier for
and the trouble is gone, the
assistance.
problem was corrected when
If the green power light is
you reset the control unit.
off, go to Possible Cause 2.
2. The power outlet is
Make sure the control unit is
If the control unit is not
controlled by a wall switch.
not plugged into an outlet
plugged into a switch-
controlled by a wall switch.
controlled outlet go to
If the control unit is plugged
Possible Cause 3.
into a switch-controlled
outlet and the switch is
turned off, power off the
MERLIN II system and move
the plug to another outlet
See “Power to the System’”
on page 2-90 to turn the
power off.
3. Faulty power outlet.
Test the outlet by plugging in
If the appliance works, the
an appliance such as a lamp
problem is caused by the
or a calculator. If the
control unit Call the
appliance doesn’t work the
equipment supplier.
outlet is faulty. Have it
repaired by an electrician.
Procedures for Specific Symptoms 4-45
Содержание administration and
Страница 1: ...AT T 518 600 016 MERLIN II COMMUNICATIONS SYSTEM Installation Administration and Maintenance Manual ...
Страница 40: ...FIGURE 1 9 System architecture Theory of Operation 1 37 ...
Страница 175: ...Top cover Front cover FIGURE 2 27 Control unit covers Testing the System 2 107 ...
Страница 177: ...Top cover E m p t y m o d u l e FIGURE 2 28 Installing the control unit top cover Testing the System 2 109 ...
Страница 179: ...Front cover E m p t y module FIGURE 2 29 Installing the control unit front cover Testing the System 2 111 ...
Страница 211: ...FIGURE 3 I A MERLIN II System Display Console The Administrator Attendant Console 3 3 ...
Страница 213: ... FIGURE 3 2 A BIS 34D Console The Administrator Attendant Console 3 5 ...
Страница 217: ...1 1 FIGURE 3 3 Administration Menu for MERLIN II System Release 3 The Administrator Attendant Console 3 9 ...
Страница 218: ...t FIGURE 3 4 Administration Menu for MERIJN II System with Feature Module 2 3 10 The Administrator Attendant Console ...
Страница 331: ...General Tests 4 55 Reaming the Control Unit 4 55 Testing Outside Lines 4 56 ...
Страница 389: ...Section 5 Ordering Information Ordering Information 5 1 Product Listing 5 1 Ordering Information 5 1 ...