(2)
On Incoming Call
START
C.O. Incoming Call is not termi-
nated to DESKCON Station, DIT
or TAS Buzzer.
"BUSY LED" on the trunk
blade is not turned on.
The "BUSY LED" is turned
on.
A
CHECK
(1)
Disconnect the trunk from the line on the
MDF.
(2)
Connect a test telephone set to the line on
the MDF.
DESKCON
(3)
If the telephone rings, check for trouble
with wiring on the MDF and the trunk
blade.
(4)
If not, there is a problem with the distant of-
fice or the line.
REPLACE
(1) Trunk blade
CHECK
(1) System Data Programming for the trunk
• In case of Termination to DIT station:
CM30 Y=02, 03, 04, 05, 13, 14, 17,
CM35 Y=009
• In case of Termination to TAS Buzzer:
CM30 Y=02, 03
2-46
Chapter 2 TROUBLESHOOTING
FAULT INFORMATION DISPLAY
MDF
TRUNK
Test Telephone Set
NWA-033627-001 Rev.4.0
NOVEMBER/21/2008
To C.O. Line
95ch2001.fm