Lamp Indication On Cards; Table 2-6 Remedial Action On Each Lamp Status - NEC NEAX 2000 IVS2 Maintenance Manual

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.
Table 2-6 shows contents of the fault and the remedial action on each lamp status.

Table 2-6 Remedial Action on Each Lamp Status

CARD NAME
PN-CP14 RUN lamp is not
(MP) flashing
at 120 IPM
PN-CP20 RUN lamp is not
(MP) flashing
at 120 IPM
PN-CP15 RUN lamp is not
(FP) flashing
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LAMP STATUS
Abnormal operation
of MP card
Abnormal operation
of MP card
Abnormal operation
of FP card
FAULT
CONTENT
1
Check the setting of SW2.
SW2-1
SW2-4
2
Check to see if the SW3 switch is set to
"0" (On Line).
3
If the fault cannot be cleared, replace
the card.
1
Check the setting of SW2.
SW2-1
SW2-4
2
Check to see if the SW3 switch is set to
"0" (On Line).
3
If the fault cannot be cleared, replace
the card.
1
Confirm the mounting slot of the FP
card. (PIM2, 4, 6: Slot 12/
PIM0: Slot 11)
2
Check the setting of SENSE.
Location of FP
3
Reset the MB switch.
(Down→Up→Down)
4
Check to see if the BUS cable between
each PIM is properly connected.
5
If the fault cannot be cleared, replace
the card.
REMEDIAL ACTION
: ON (in the case of A-law)
: OFF (In the case of µ-law)
: OFF
: ON (in the case of A-law)
: OFF (In the case of µ-law)
: OFF
SENSE
PIM0 0
PIM2 1
PIM4 2
PIM6 3
2
NEAX2000 IVS Maintenance Manual
ND-70926 (E), Issue 3.0