NEC NEAX 2000 IPS Maintenance Manual page 60

(7) MJ alarm, MN alarm, and - - alarm, which are set as the objects of fault information stored by CMEA
Y=2, can be reported to the Remote MAT.
(8) Until a new fault occurs, fault information is not reported even though the previous fault information
has not been read, by the Remote MAT.
(9) 4 times per 5 minutes, recall is executed when the first connection to the Remote MAT cannot be
established by the default settings. These values can be changed by the system data programming.
(10) Two called party number of Remote MATs can be set as the destination of fault information. When
the first connection to a Remote MAT cannot be established, the next recall is executed to the other
destination, and repeated one after the other.
(11) When multiple faults occur within the predetermined time, the fault information is reported at a time.
MJ alarm Start of fault
information reporting
60 seconds
If a MN alarm is registered within "t" seconds, the fault information of the MN alarm is reported
together with the MJ alarm.
(12) Even if the alarm is cleared within the predetermined time, the fault information is reported to the
Remote MAT.
MJ alarm Start of fault
information reporting
60 seconds
Even if the MJ alarm is cleared within "t" seconds, the fault information of the MJ alarm is reported.
CHAPTER 1 MAINTENANCE SERVICE FEATURES
MN alarm
t seconds
MJ alarm
cleared
t seconds
– 50 –
REMOTE MAT
End of fault
information reporting
End of fault
information reporting
NWA-008847-001 Rev.3.0
a6ch1001.fm