NEC NEAX 2000 IVS2 Maintenance Manual page 110

CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
Table 2-6 Remedial Action on Each Lamp Status (Continued)
CARD NAME
PN-DAID-A RUN lamp is not
(DAID) flashing
LINK lamp is not on
RMT lamp is on
PWR lamp is on
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LAMP STATUS
Abnormal operation
of DAID card
Layer 2 link
connection failure
between DAID and
DAIE
Remote alarm
PCM signal loss
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 DAID
and DAIE is correctly connected.
2
Reset the MB switch.
(Down→Up→Down)
Check to see if the cable between DAID
and DAIE (sending side) is correctly
connected.
Check to see if the cable between DAID
and DAIE is correctly connected.
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
2
NEAX2000 IVS Maintenance Manual
ND-70926 (E), Issue 3.0