Possible Cause
Possible Solution
To Investigate Further
4. Faulty MERLIN II system
Try to place an outside call
If the trouble appears only on
components.
and an intercom call from
intercom calls or the trouble
several voice terminals.
appears only on one voice
terminal, the trouble is
caused by a component in
your system. Go to the
symptom “Lights, Speaker,
Ringing Problems.”
If the trouble appears only on
outside calls from some or all
voice terminals, go to
Possible Cause 5.
5. Faulty telephone company
Step 1. Go to the control unit
If the trouble appears on the
wiring.
and find the network
basic telephone and the
interface associated with the
network interface uses a line
outside line from which you
adapter, go to Possible Cause
cannot make a call. Unplug
6 .
the line cord from the
If the trouble doesn’t appear,
network interface and, in its
the problem is in the control
place plug in a basic
Touch-Tone or rotary
unit or the wiring. Go to
telephone. (Do not use a
Step 2.
MERLIN II system voice
terminal.) Try to place an
outside call from the
telephone.
If the trouble appears on the
basic telephone and the
network interface does not
have a line adapter, the
outside line is faulty. Report
the trouble to the local
telephone company
representative.
(continued)
4-32 Procedures for Specific Symptoms
Summary of Contents for administration and
Page 40: ...FIGURE 1 9 System architecture Theory of Operation 1 37 ...
Page 175: ...Top cover Front cover FIGURE 2 27 Control unit covers Testing the System 2 107 ...
Page 211: ...FIGURE 3 I A MERLIN II System Display Console The Administrator Attendant Console 3 3 ...
Page 213: ... FIGURE 3 2 A BIS 34D Console The Administrator Attendant Console 3 5 ...
Page 331: ...General Tests 4 55 Reaming the Control Unit 4 55 Testing Outside Lines 4 56 ...