NEC NEAX 2000 IPS System Manual page 440

LED INDICATION
LED
NORMAL
RMT Off
AIS Off
Alarm Indications on 24CCT
FAULT CAUSE
On Frame Alignment
signals cannot be
sent to the remote
PBX
On Remote PBX is in
the local loopback
state
– 426 –
CHAPTER 5 OPERATION TEST
FAULT
ACTION
1 Check the transmission line and
external equipment.
2 Replace the CCT card.
Check the switch settings of the remote
CCT card.
LOOPBACK TEST
NWA-008853-001 Rev.3.0
97ch5001.fm