Lucent Technologies DDM-2000 OC-3, Руководство пользователя и обслуживания

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RTRV-ALM 31 of 21 Page RTRV-ALM
Description Report Description Report
(Contd) Descriptions RTRV-ALM 11-3. Table
Meaning Description
AIS VT inc.
indication alarm path VT a detected has system The
The line. OC-n active the from incoming (AIS) signal
the toward AIS DS1 transmitting by responds system
the (for DSX-3 or LAN) IMA to NA (DSX-1 DSX-1
back yellow VT and only) pack circuit TMUX BBG20
received. being is AIS the which from fiber the toward
cross-connect incorrect or Incomplete causes: Likely
unprotected network; end-to-end in provisioning
or LAN IMA or T1EXT DS1, a of failure or removal
end. far the at CP (BBG20) TMUX
AIS VT affecting non-service a applications, ring In
or OLIU upstream an from result may message alarm
VT A direction. ring one only affecting failure fiber
non-service a for returned not is message alarm yellow
AIS. VT affecting
LOP VT inc.
(LOP) loss-of-pointer VT a detected has system The
condition.
or T1EXT DS1, a of failure Unprotected causes: Likely
a of failure unprotected end; near the at CP LAN IMA
the at CP (BBG20) TMUX or LAN IMA or T1EXT DS1,
the at CP MXRVO an of failure unprotected end; far
the at CP OC1 an of failure unprotected end; far or near
end. far
(BER) degrade sig. VT inc.
a detected has system the ring, switched path VT a In
of threshold provisioned the exceeds that rate error VT
10
-5
10 to
-8
from signal VT good a selects system The .
path. ring other the
fiber a or failure pack circuit OLIU An causes: Likely
ring. failed the on point some at failure
unequipped VT inc.
(SONET code unequipped the detected has system The
in- an on byte=0) label code signal VT overhead path
channel. VT1.5 service
has cross-connect VT1.5 upstream An cause: Likely
deleted. been
yellow VT inc.
inserting and LOP VT or AIS VT detecting is end far The
signal. transmit its in yellow VT
a of failure unidirectional Unprotected causes: Likely
path. end-to-end the in point some at fiber or pack circuit
values DCC inconsistent
same the set are values parameter "User/Network" The
DCC. the of ends both at
OC-3 DDM-2000
2000 February 2 Issue
11-553