OTN Tabs
SONET/SDH Application
137
OTU RX
OTU RX
Press
Main
,
Test
,
OTN
,
OTU
, and
OTU RX
.
Configuration
Note:
See
OTU TX
on page 133 for more information on
Enable Scrambler
.
Alarm Analysis
Possible alarms that can be detected are:
³
LOF
(Loss Of Frame): LOF is declared when OOF is present for at least
3 ms.
³
OOF
(Out-Of-Frame): OOF is declared when FAS (bytes 3, 4, and 5) are
in error for at least 5 consecutive OTU frames.
³
LOM
(Loss Of Multiframe): LOM is declared when OOM is present for
at least 3 ms.
³
OOM
(Out-Of-Multiframe): OOM is declared when MFAS are in error
for at least 5 consecutive OTU frames.
Содержание FTB-8100 Series
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