CHAPTER 2 TROUBLESHOOTING
– 149 – NWA-008847-001 Rev.3.0
a6ch2001.fm
Remedial Action on Each Fault Kind
Continued on next page
FAULT
KIND
NUMBER
FAULT CONTENT FAULT INFORMATION REMEDIAL ACTION
26 DLC card down 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 con-
nection 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 05: Terminal fail-
ure
Replace the terminal with
a known good one and
check to see if the same
failure occurs.
DLC Failure Kind 08: Terminal cir-
cuit failure
Replace the terminal with
a known good one and
check to see if the same
failure occurs.
28 SMDR output buffer
memory overflow
3: XX
XX XX XX
Memory Kind
Overflow Kind
Memory kind 00: Billing memory
block
1
2
3
1 2
1
2
FAULT DIAGNOSIS AND TROUBLESHOOTING
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