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PERCEPTION,~,,
Tl/OS-1
SEPTEMBER1991
CHART NO. 3
ALARM FAULTS
From
From
* Verify remote site
is in loop back.
If so, wait until
loop back test is
complete
for the
BALM LED to go off.
* Verify the
customer
data,
switches,
and
straps for correct
configuration.
I-
* Verify the following
straps,
switches,
and data are set
according
to the
defined system
and network
configuration.
. TB3 and TB4
- s3-Sll
* Customer
data
* Replace the NDTU
with the removed
PCB.
* Change
the NTWU.
1
YES
I
* Verify the following
options
and data
are according
to
defined
configuration
for the system:
. TB5 and TB6
. Sl switch
. Customer
data
- Network
connection
1
for trunk type
allocation
* Connections
L
- Replace the
NTWU
with
the removed
PCB.
* Change the
LCCU.
Change the
NDTU.
L
A
YES
IYES
customer
data.
connections.
Alarm LEDs
Follow instructions
for each alarm in
Paragraph
3.61.
YES
To
t,
82
This
paw
YES
Call the
b
Service
Center
4
for assistance.
-15-
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