NEC NEAX 2000 IVS2 Maintenance Manual page 107

Table 2-6 Remedial Action on Each Lamp Status (Continued)
CARD NAME
PN-DAIA-A RUN lamp is not
(DAIA) flashing
LINK lamp is not on
RED lamp is on
RMT lamp is on
2
NEAX2000 IVS Maintenance Manual
ND-70926 (E), Issue 3.0
LAMP STATUS
Abnormal operation
of DAIA card
Layer 2 link
connection failure
between DAIA and
DAIB
PCM signal loss or
Frame Alignment
signal loss
Remote alarm
CHAPTER 2 TROUBLESHOOTING
FAULT
CONTENT
1
Reset the MB switch.
(Down→Up→Down)
2
Check the setting of SENSE switch and
SW1-4.
SENSE
Switch: 1
SENSE
Switch: 2
SENSE
Switch: 3
SENSE
Switch: 0,4-F
3
If the fault cannot be cleared, replace
the card.
1
Check to see if the cable between DAIA
and DAIB is correctly connected.
2
Reset the MB switch.
(Down→Up→Down)
Check to see if the cable between DAIA and
DAIB is correctly connected.
Check to see if the cable between DAIA and
DAIB (sending side) is correctly connected.
Fault Diagnosis and Troubleshooting
REMEDIAL ACTION
SW1-4: ON SW1-4: OFF
FP No.01 FP No. 17
FP No.02 FP No. 18
FP No.03 FP No. 19
Not used
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