CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
NEAX2000 IVS
2
Maintenance Manual
ND-70926 (E), Issue 3.0
Page 83
24
[Australia
Only]
Number of faulty trunks
was more than
predetermined number
Search for a line fault trunk by
CMB0 Y=1
or CMF5 Y=0.
Check to see if the
trunk line is faulty.
25
Number of line lockout
stations was more than
predetermined number
Search for stations in line
lockout by the configuration
report on the MAT.
Place the handset of any
station in line lockout back
onto the hookswitch.
If the station remains in the
line lockout state, check the
line state (the line between the
station and the PBX may be
shorted).
26
DLC card down
3: XX XX XX XX
4: XX XX XX XX
DLC Failure Kind (See below.)
LEN (000-763)
Station No. (X - XXXXXXXX)
DLC Failure Kind 00: Terminal was
cut off
Check the cable connection
between the terminal and the
PBX.
Check to see if the cable is cut
off.
Check to see if the Tip wire of
the cable is grounded.
DLC Failure Kind 02: Short circuit was
made on the line
Check to see if a short circuit
exists on the line.
DLC Failure Kind 03: Ring wire was
grounded
Check to see if the Ring wire of
the cable is grounded.
DLC Failure Kind 04: Tip wire was
grounded or
terminal was
unconnected
Check the cable connection
between the terminal and the
PBX.
Check to see if the cable is cut
off.
Check to see if the Tip wire of
the cable is grounded.
Table 2-3 Remedial Action on Each Fault Kind (Continued)
FAULT
KIND
NUMBER
FAULT CONTENT
FAULT INFORMATION
REMEDIAL ACTION
1
2
1
2
3
1
2
3
3
1
2
3
1
2
3
1
2
3
Summary of Contents for NEAX 2000IVS2
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