NEC NDA-24300 manual Line Fault When Dialing Results in Wrong Connection

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.

ATTENTION

Contents

Static Sensitive

Handling

Precautions Required

START

When a call addressed to a specific station has terminated to another station

Check the faulty line on the MDF.

When the dialed station is called

When a wrong connection occurs

END

Check to see if Call Forwarding-All Calls data has been deleted.

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.

The station telephone set is faulty. Replace the station telephone set with a spare.

Replace the LC circuit card with a spare.

NDA-24300CHAPTER 5

Page 315

Issue 1