NEC NEAX 2000 IPS Maintenance Manual page 191

CARD NAME
PN-DAIB RUN lamp is not
(DAIB) flashing
LINK lamp is not
on
RED lamp is on
RMT lamp is on
Remedial Action on Each Lamp Status
LAMP FAULT
STATUS CONTENT
Abnormal opera-
tion of DAIB card
Layer 2 link con-
nection failure
between DAIA
and DAIB
PCM signal loss or
Frame Alignment
signal loss
Remote alarm
CHAPTER 2 TROUBLESHOOTING
FAULT DIAGNOSIS AND TROUBLESHOOTING
REMEDIAL ACTION
Reset the MB switch.
1
(Down→Up→Down)
If the fault cannot be cleared,
2
replace the card.
Check to see if the cable between
1
DAIA and DAIB is correctly con-
nected.
Reset the MB switch.
2
(Down→Up→Down)
Check to see if the cable between
1
DAIA and DAIB is correctly con-
nected.
Reset the MB switch of DAIA card
2
on the main site.
(Down→Up→Down)
Check to see if the cable between DAIA
and DAIB (sending side) is correctly
connected.
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NWA-008847-001 Rev.3.0
a6ch2001.fm