CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
NEAX2000 IVS
2
Maintenance Manual
ND-70926 (E), Issue 3.0
Page 103
PN-DAIE
(DAIE)
RUN lamp is not
flashing
Abnormal operation
of DAIE card
Reset the MB switch.
(Down
→
Up
→
Down)
If the fault cannot be cleared, replace
the card.
LINK lamp is not on
Layer 2 link
connection failure
between DAID and
DAIE
Check to see if the cable between DAID
and DAIE is correctly connected.
Reset the MB switch.
(Down
→
Up
→
Down)
RMT lamp is on
Remote alarm
Check to see if the cable between DAID
and DAIE (sending side) is correctly
connected.
PN-DAIF
(DAIF)
RUN lamp is not
flashing
Abnormal operation
of DAIF card
Reset the MB switch.
(Down
→
Up
→
Down)
If the fault cannot be cleared, replace
the card.
LINK lamp is not on
Layer 2 link
connection failure
between DAID and
DAIE
Check to see if the cable between DAID
and DAIE is correctly connected.
Reset the MB switch.
(Down
→
Up
→
Down)
Check to see if the cable between DAIF
cards is correctly connected.
RMT lamp is on
Remote alarm
Check to see if the cable between DAIF
cards (sending side) is correctly connected.
PWR lamp is on
PCM signal loss
Check to see if the cable between DAID
and DAIE is correctly connected.
Table 2-6 Remedial Action on Each Lamp Status (Continued)
CARD NAME
LAMP STATUS
FAULT
CONTENT
REMEDIAL ACTION
1
2
1
2
1
2
1
2
3
Summary of Contents for NEAX 2000IVS2
Page 1: ...ND 70926 E ISSUE 3 PART OF STOCK 151969 Maintenance Manual FEBRUARY 2001 NECAmerica Inc...
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