CHAPTER 4
ND-46550 (E)
Page 68
Revision 2.0
PN-DAIB (DAIB)
RUN lamp is not flashing Abnormal operation of
DAIB card
➀
Reset MB switch.
(Down
→
Up
→
Down)
➁
If fault cannot be cleared,
replace card.
LINK lamp is not on
Layer 2 link connection
failure between DAIA and
DAIB
➀
Check whether cable between
DAIA and DAIB is correctly
connected. (Refer to
➁
Reset MB switch
(Down
→
Up
→
Down)
RED lamp is on
PCM signal loss or Frame
Alignment signal loss
➀
Check whether cable between
DAIA and DAIB is correctly
connected. (Refer to
➁
Reset MB switch of DAIA card
on main site.
(Down
→
Up
→
Down)
RMT lamp is on
Remote alarm
➀
Check whether cable between
DAIA and DAIB (sending side)
is correctly connected. (Refer
to
Table 4-1 Remedial Action on Each Lamp Status (Continued)
CARD NAME
LAMP STATUS
FAULT CONTENT
REMEDIAL ACTION
Содержание NEAX2000 IVS
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