CHAPTER 2 TROUBLESHOOTING
– 187 –
NWA-008847-001 Rev.3.0
a6ch2001.fm
Remedial Action on Each Lamp Status
NOTE:
The following table shows the lamps of PN-DTA card used for T1/E1 interface.
×
: Used
–
: Not used
Continued on next page
CARD NAME
LAMP
STATUS
FAULT
CONTENT
REMEDIAL ACTION
PN-DTA
(CCT/DTI/PRT)
NOTE
MRMT lamp is on Multi-Frame
Alignment signals
cannot be sent to
the remote PBX
Confirm the switch setting on the
CCT/DTI/PRT card indicating an
alarm.
Replace CCT/DTI/PRT card not
indicating an alarm, with a spare.
RMT lamp is on
Frame Alignment
signals cannot be
sent to the remote
PBX
Check the transmission line and
external equipment.
Replace the CCT/DTI/PRT card.
CRC lamp is on
Bit Error Rate
exceeds the prede-
termined value
Check the receive line and external
equipment.
Replace the remote CCT/DTI/PRT
card.
AIS lamp is on
Remote PBX is in
local loopback
state
Check the switch settings of the remote
CCT/DTI/PRT card.
LAMP
T1
E1
DTI
CCT/PRT
DTI
CCT/PRT
RUN
×
×
×
×
LC
–
×
–
×
LPB
×
×
×
×
PCM
×
×
×
×
MFRM
–
–
×
×
FRM
×
×
×
×
MRMT
–
–
×
×
RMT
×
×
×
×
CRC
×
×
–
–
AIS
×
×
×
×
1
2
1
2
1
2
JULY/01/2006
FAULT DIAGNOSIS AND TROUBLESHOOTING
Summary of Contents for UNIVERGE NEAX 2000 IPS
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