CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
NEAX2000 IVS
2
Maintenance Manual
ND-70926 (E), Issue 3.0
Page 119
Troubleshooting by Contents of Complaint
This section describes the troubleshooting method when you receive a complaint of a problem
from a station user or an operator. Select the appropriate section corresponding to the problem
in
and perform the troubleshooting.
Figure 2-4 Sections for Troubleshooting Procedure
EXPLANATION OF SYMBOLS IN TROUBLESHOOTING PROCEDURE
The following markings explain the instruction marks used in the troubleshooting procedures.
:
With respect to the item indicated on the right side of this mark, perform a check
or the required work. If an abnormality is found, take the required remedial action,
such as repair, replacement, etc.
: Replace the equipment or device (considered to be the fault) indicated on the right
side of the mark with a spare and confirm the recovery of the fault.
Complaint from Station User/Operator
Station Line Fault (
(1) At Calling Station
(2) At Called Station
C.O. Line/Tie Line Fault (
(1) On Outgoing Call
(2) On Incoming Call
(3) On Answering Call
Power Failure Transfer (PFT) Fault (
)
D
term
Fault (
ATTCON Fault (
DSS Console Fault
ATTCON Self-Test Procedure (
Page 140
)
CHECK
REPLACE
Summary of Contents for NEAX 2000IVS2
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