NEC UNIVERGE NEAX 2000 IPS, Maintenance Manual

Page: 207 / 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-SC03-B
(CSH/ICH)/
PN-SC03-C
(CSH) RUN lamp is not
flashing Abnormal opera-
tion of CSH card Confirm the programming data:
CM05 Y=0.
After confirmation of CM05, reset
the system (Push the SW1 of MP).
Check to see if the SENSE switch is
set as per the AP Number (04-15,
20-31) assigned by CM05 Y=0.
Reset the MB switch.
(Down Up Down)
If the fault cannot be cleared,
replace the card.
DOPE 0-7 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 CSI
card is removed.
If the fault cannot be cleared,
replace the card.
PN-2COTD/
PN-2COTE
(COT) 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-4COTE
(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-6COTJ
(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.
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5
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JULY/01/2006
FAULT DIAGNOSIS AND TROUBLESHOOTING