NEC NEAX 2000 IPS Maintenance Manual page 197

CARD NAME
PN-DTA MRMT lamp is on Multi-Frame
(CCT/DTI/PRT)
NOTE
RMT lamp is on
CRC lamp is on
AIS lamp is on
NOTE: The following table shows the lamps of PN-DTA card used for T1/E1 interface.
LAMP
RUN
LC
LPB
PCM
MFRM
FRM
MRMT
RMT
CRC
AIS
Remedial Action on Each Lamp Status
LAMP FAULT
STATUS CONTENT
Alignment signals
cannot be sent to
the remote PBX
Frame Alignment
signals cannot be
sent to the remote
PBX
Bit Error Rate
exceeds the prede-
termined value
Remote PBX is in
local loopback
state
T1
DTI
×
–
×
×
–
×
–
×
×
×
CHAPTER 2 TROUBLESHOOTING
FAULT DIAGNOSIS AND TROUBLESHOOTING
REMEDIAL ACTION
Confirm the switch setting on the
1
CCT/DTI/PRT card indicating an
alarm.
Replace CCT/DTI/PRT card not
2
indicating an alarm, with a spare.
Check the transmission line and
1
external equipment.
Replace the CCT/DTI/PRT card.
2
Check the receive line and external
1
equipment.
Replace the remote CCT/DTI/PRT
2
card.
Check the switch settings of the remote
CCT/DTI/PRT card.
CCT/PRT
×
×
×
×
–
×
–
×
×
×
– 187 –
×: Used –: Not used
E1
DTI CCT/PRT
× ×
×
–
× ×
× ×
× ×
× ×
× ×
× ×
– –
× ×
Continued on next page
NWA-008847-001 Rev.3.0
a6ch2001.fm
JULY/01/2006