NEC NEAX 2000 IVS2 Maintenance Manual page 120

CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
Table 2-6 Remedial Action on Each Lamp Status (Continued)
CARD NAME
PN-4RSTB RUN lamp is not
(MFR) flashing
PN-4RSTC RUN lamp is not
(CIR) flashing
PN-SC00 RUN lamp is not
(CCH) flashing
LC lamp is not on
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LAMP STATUS
Abnormal operation
of MFR card
Abnormal operation
of CIR card
Abnormal operation
of CCH card
CCH link
connection failure
FAULT
CONTENT
1
Confirm the programming data: CM05
Y=0.
2
Check to see if the SENS switch is set
as per the AP Number (04-15, 20-31)
assigned by CM05 Y=0.
3
Reset the MB switch.
(Down→Up→Down)
4
If the fault cannot be cleared, replace
the card.
1
Confirm the programming data: CM05
Y=0.
2
Check to see if the SENSE switch is set
as per the AP Number (04-15)
assigned by CM05 Y=0.
3
Reset the MB switch.
(Down→Up→Down)
4
If the fault cannot be cleared, replace
the card.
1
Confirm the programming data: CM05
Y=0.
2
Check to see if the SENS switch is set
as per the AP Number (04-15, 20-31)
assigned by CM05 Y=0.
3
Reset the MB switch.
(Down→Up→Down)
4
If the fault cannot be cleared, replace
the card.
Check the status of the local-office side line
or the remote-office side line.
REMEDIAL ACTION
2
NEAX2000 IVS Maintenance Manual
ND-70926 (E), Issue 3.0