Fault Detection - NEC NEAX 2000 IPS Maintenance Manual

FAULT DETECTION

This section describes the way in which alarm indications are given. If a fault has occurred in the system,
you can detect the fault via the routes shown in "Alarm Indication Routes".
ALARM DISPLAY PANEL
PWR
MJ/MN ALARM
INDICATION
MAINTENANCE
PERSONNEL
COMPLAINT FROM
STATION USER OR OPERATOR
Alarm Indication Routes
MJ MN
CHAPTER 2 TROUBLESHOOTING
MJ/MN ALARM
INDICATION
LAMP INDICATION
– 125 –

FAULT DETECTION

PWR CARD
MJ
MN
ON
CIRCUIT CARD
NWA-008847-001 Rev.3.0
a6ch2001.fm