CHAPTER 2 TROUBLESHOOTING
– 212 – NWA-008847-001 Rev.3.0
a6ch2001.fm
C.O. Line/Tie Line Fault
(1) On Outgoing Call
After dialing the trunk access
code, tone (Reorder Tone) is
returned.
“BL” Lamp on the trunk
card is flashing.
(1) Make Busy Data (CME5) of the
trunk.
(2) System Data programming for the
trunk: CM10/CM14
“BL” Lamp on the trunk
card is on.
(1) Disconnect the trunk from the line
on the MDF.
(2) If the lamp goes out, there is a prob-
lem with the Central Office/Distant
Office or Cable.
(3) If not, check for a problem with
wiring on the MDF or the trunk
card.
(1) Trunk card
No Lamp indication on
the trunk card.
(1) System Data Programming for the
station restriction service class:
CM12 Y=01
START
A
CHECK
CHECK
REPLACE
CHECK
FAULT DIAGNOSIS AND TROUBLESHOOTING