CHAPTER 2 TROUBLESHOOTING
ā 214 ā NWA-008847-001 Rev.3.0
a6ch2001.fm
(3) If Dial Tone is returned after seizing
the original trunk, there is a prob-
lem with the distant office, the Car-
rier Equipment or the line.
(4) If not, check for trouble with wiring
on the MDF and the trunk card.
Any dialed digit is not transmit-
ted to the distant office.
(1) System Data Programming for the
trunk route: CM35 Y=01, 08, 20
(2) When the Sender Start condition is
set to Wink or Delay Dial by CM35
Y=20, check if answer signal is
returned from the distant office.
(1) Trunk card
(2) FP card
(3) MP card
B
C
~
MDF
DT ODT
ODT
E
M
E
M
CHECK
REPLACE
FAULT DIAGNOSIS AND TROUBLESHOOTING