Specifications

System Test
If you are experiencing a problem other than those described in the previous
tests, try the following procedure before calling your equipment supplier.
SYMPTOM: SYSTEM NOT
Possible Cause 1: The control unit may need to be reset.
WORKING; TROUBLE NOT
DESCRIBED IN ABOVE
Do This
If
Then
PROCEDURES.
Set the control unit The trouble remains
Go to Possible Cause 2.
power switch to Off and
then back to On.
Possible Cause 2: A module may be loose.
Do This If
Then
Set the control unit The trouble remains Contact your equipment
power switch to Ofl. supplier for assistance.
NOTE:
When calling your
The modules can be
supplier, identify your
damaged if you don‘t
system as MERLIN Plus
turn off the power.
R2 system.
Remove the top cover,
pull out each module and
reinsert it so that it is
securely seated in its slot.
Replace the cover and
fasten its screw. Set the
power switch to On.
In the Event of a Power Failure
l The system administrator does not need to readminister the system after
each power failure.
l The memory module has a four-day battery backup.
l The batteries are five-year life batteries and are not customer replaceable.
Contact your equipment supplier when the system requires a replacement
battery.
In the Event of a Liquid Spill or Leak onto the Control Unit
1 Turn off and unplug the control unit.
2 Contact an AT&T service technician immediately.