User's Manual

NDA-24300 CHAPTER 5
Page 315
Issue 1
FAULT REPAIR PROCEDURES
1.4 Line Fault - When Dialing Results in Wrong Connection
Note:
If a circuit card is replaced because only one line is
faulty, no other lines in that circuit card can be used
until the replacement is complete.
When a call addressed to a specific station
has terminated to another station
Check to see if Call Forwarding-All Calls data
has been deleted.
Check the faulty line on the MDF. On the MDF, isolate the faulty line to the in-
house wiring side and to the system side.
Connect the test telephone to the system side.
Repeat station-to-station connections and
check to see if the connection is established
normally.
When the dialed station is called The station telephone set is faulty. Replace the
station telephone set with a spare.
When a wrong connection
occurs
Replace the LC circuit card with a spare.
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
START
END