NEC UNIVERGE NEAX 2000 IPS, Maintenance Manual

Page: 208 / 262

CHAPTER 2 TROUBLESHOOTING
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NWA-008847-001 Rev.3.0
a6ch2001.fm
Remedial Action on Each Lamp Status
Continued on next page
CARD NAME
LAMP
STATUS
FAULT
CONTENT
REMEDIAL ACTION
PN-8COTT
(COT)
[For Australia]
LF lamp is on Transmission line
fault Search for a line fault by CMB0
Y=1 or CMF5 Y=0.
Check to see if the trunk line is
faulty.
PN-2CSIA
(CSI)
[For PCS]
OPE lamp is not
on D-channel link is
not connected
between CSH and
CSI Confirm the programming data:
CM06 Y=10.
Confirm if the corresponding CSH
card is removed.
If the fault cannot be cleared,
replace the card.
B00-B12 lamp is
flashing ZT is not con-
nected to the cor-
responding circuit
No. Confirm the programming data:
CM06, CM10/CM14, CMAD.
Confirm cable connection and the
power switch of the corresponding
ZT.
Confirm if the corresponding ZT is
in make-busy status.
PN-2CSIA-A
(CSI)
[For PHS]
OPE lamp is not
on D-channel link is
not connected
between CSH and
CSI Confirm the programming data:
CM06 Y=10.
Confirm if the corresponding CSH
card is removed.
If the fault cannot be cleared,
replace the card.
B00-B12 lamp is
flashing CS is not con-
nected to the cor-
responding circuit
No. Confirm the programming data:
CM06, CM10/CM14, CMAD.
Confirm cable connection and the
power switch of the corresponding
CS.
Confirm if the corresponding CS is
in make-busy status.
1
2
1
2
3
1
2
3
1
2
3
1
2
3
FAULT DIAGNOSIS AND TROUBLESHOOTING