Line Fault - When Dialing Results In Wrong Connection - NEC Univerge SV8500 Operation And Maintenance Manual

3.1.4

Line Fault - When Dialing Results in Wrong Connection

If a circuit card is replaced because only one line is faulty, no other lines in that circuit card can be used
Note:
until the replacement is complete.
(1) When a call addressed to a specific station has terminated to another station.
(a) Check to see if Call Forwarding-All Calls data has been deleted.
(2) Check the faulty line on the MDF.
(a) On the MDF, isolate the faulty line to the in-house wiring side and to the system side.
(b) Connect the test telephone to the system side.
(c) 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.
CHAPTER 5 Operation Procedure for System with PIR
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