Power Failure Transfer (Pft) Fault - NEC NEAX 2000 IVS2 Maintenance Manual

CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting

POWER FAILURE TRANSFER (PFT) FAULT

START
Preassigned stations are not
connected to the C.O. line
when system alarm or power
failure has occurred.
PFT operates without Power
Failure or Emergency Alarm.
END
Page 134
(1) Cross connection on the MDF is
CHECK
properly made.
(2) Between the AUC card and the
COT card is properly connected.
(1) AUC card
REPLACE
(1) AUC card
REPLACE
(2) MP card
2
NEAX2000 IVS Maintenance Manual
ND-70926 (E), Issue 3.0