NEC NEAX 2000IVS2, Maintenance Manual, Page: 120 / 156

NEAX2000 IVS
2
Maintenance Manual
Page 112
ND-70926 (E), Issue 3.0
CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
PN-4RSTB
(MFR) RUN lamp is not
flashing Abnormal operation
of MFR card
Confirm the programming data: CM05
Y=0.
Check to see if the SENS 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.
PN-4RSTC
(CIR) RUN lamp is not
flashing Abnormal operation
of CIR card
Confirm the programming data: CM05
Y=0.
Check to see if the SENSE switch is set
as per the AP Number (04-15)
assigned by CM05 Y=0.
Reset the MB switch.
(Down
→
Up
→
Down)
If the fault cannot be cleared, replace
the card.
PN-SC00
(CCH) RUN lamp is not
flashing Abnormal operation
of CCH card
Confirm the programming data: CM05
Y=0.
Check to see if the SENS 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.
LC lamp is not on CCH link
connection failure Check the status of the local-office side line
or the remote-office side line.
Table 2-6 Remedial Action on Each Lamp Status (Continued)
CARD NAME LAMP STATUS
FAULT
CONTENT
REMEDIAL ACTION
1
2
3
4
1
2
3
4
1
2
3
4