NEC ND-71762(E) Telephone User Manual


 
CHAPTER 8 ND-71762 (E)
Page 108
Issue 2
MAINTENANCE PROCEDURE
(5) Diagnostic Work
START
END
When system message 13-I is
placed once or twice.
When system message 13-I is displayed sporadically.
When system message 13-J
is displayed after system
message 13-I .
When system message 13-J
is not displayed after system
message 13-I .
When system message 13-I is
displayed cyclically.
FAULT SUPERVISION
FAULT SUPERVISION :
A CCS link failure occurred, but it has restored
to normal.
FAULT : CCH/CCT circuit card is faulty.
FAULT : CCH/CCT circuit card is faulty.
Paragraphs 3.3 or 3.4
Paragraphs 3.3 or 3.4