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Table 4-1 Remedial Action on Each Lamp Status (Continued)
CARD NAME
PN-DAIB (DAIB) RUN lamp is not flashing Abnormal operation of
LINK lamp is not on
RED lamp is on
RMT lamp is on
CHAPTER 4
Page 68
Revision 2.0
LAMP STATUS
DAIB card
Layer 2 link connection
failure between DAIA and
DAIB
PCM signal loss or Frame
Alignment signal loss
Remote alarm
FAULT CONTENT
ND-46550 (E)
REMEDIAL ACTION
Reset MB switch.
(Down→Up→Down)
If fault cannot be cleared,
replace card.
Check whether cable between
DAIA and DAIB is correctly
connected. (Refer to
Chapter
Section
2.3.)
Reset MB switch
(Down→Up→Down)
Check whether cable between
DAIA and DAIB is correctly
connected. (Refer to
Chapter
Section
2.3.)
Reset MB switch of DAIA card
on main site.
(Down→Up→Down)
Check whether cable between
DAIA and DAIB (sending side)
is correctly connected. (Refer
to
Chapter
3,
Section
2.3.)
3,
3,
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