NEAX2000
IVS
2
Maintenance Manual
Page 100
ND-70926
(E),
Issue
3.0
CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
PN-DAIB
(DAIB)
RUN lamp is not
flashing
Abnormal operation
of DAIB 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 DAIA and
DAIB
Check to see if the cable between DAIA
and DAIB is correctly connected.
Reset the MB switch.
(Down
→
Up
→
Down)
RED lamp is on
PCM signal loss or
Frame Alignment
signal loss
Check to see if the cable between DAIA
and DAIB is correctly connected.
Reset the MB switch of DAIA card on
the main site.
(Down
→
Up
→
Down)
RMT lamp is on
Remote alarm
Check to see if the cable between DAIA and
DAIB (sending side) 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
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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