NEAX2000
IVS
2
Maintenance Manual
Page 90
ND-70926
(E),
Issue
3.0
CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
Lamp Indication on Cards
This section describes the method for fault diagnosis and troubleshooting when you detect the
fault occurrence by lamp indication on circuit cards.
shows contents of the fault and the remedial action on each lamp status.
Table 2-6 Remedial Action on Each Lamp Status
CARD NAME
LAMP STATUS
FAULT
CONTENT
REMEDIAL ACTION
PN-CP14
(MP)
RUN lamp is not
flashing
at 120 IPM
Abnormal operation
of MP card
Check the setting of SW2.
SW2-1
: ON (in the case of A-law)
: OFF (In the case of µ-law)
SW2-4
: OFF
Check to see if the SW3 switch is set to
“0” (On Line).
If the fault cannot be cleared, replace
the card.
PN-CP20
(MP)
RUN lamp is not
flashing
at 120 IPM
Abnormal operation
of MP card
Check the setting of SW2.
SW2-1
: ON (in the case of A-law)
: OFF (In the case of µ-law)
SW2-4
: OFF
Check to see if the SW3 switch is set to
“0” (On Line).
If the fault cannot be cleared, replace
the card.
PN-CP15
(FP)
RUN lamp is not
flashing
Abnormal operation
of FP card
Confirm the mounting slot of the FP
card. (PIM2, 4, 6: Slot 12/
PIM0: Slot 11)
Check the setting of SENSE.
Location of FP SENSE
PIM0 0
PIM2 1
PIM4 2
PIM6 3
Reset the MB switch.
(Down
→
Up
→
Down)
Check to see if the BUS cable between
each PIM is properly connected.
If the fault cannot be cleared, replace
the card.
1
2
3
1
2
3
1
2
3
4
5
Summary of Contents for NEAX 2000IVS2
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