Agilent Technologies OmniBER 718 SDH User Manual page 327

AU-3/TUG-3 Background Patterns
Table 7 AU-3 Background Patterns
Foreground
AU-3
TU-2 Pattern in other TU-2s is numbered.
They contain the word 11NNNNNx,
where NNNNN is the binary number of
the TU.
TU-12 (2 Mb/s) TU-12 structure, unframed with 2E15-1,
Unframed 2E9-1 PRBS or 1100 word pattern in all
information bits.
TU-12 (2 Mb/s) TU-12 structure, framed with 2E15-1,
Framed 2E9-1 PRBS, NUMBERED or 1100
word pattern. In Numbered mode, each
timeslot contains the pattern
0NNNNNNX where NNNNNN is the
binary number of the TU. The least
significant digit (X) is alternated
between 0 and 1 in successive frames.
TU-11 (DS1) TU-11 structure, D4 framed with 2E15-
Unframed 1, 2E9-1 PRBS or 1100 Word pattern in
other TU-11s.
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Background choice in
Foreground AU-3
---------
Background choice in
other AU-3s
TU-11, TU-12 Mapping or
AU-3 Word (8 bit user
programmable word).
TU-11, TU-12 Mapping or
AU-3 Word (8 bit user
programmable word).
TU-12, TU-11 Mapping or
AU-3 Word (8 bit user
programmable word).
TU-12, TU-11 Mapping or
AU-3 Word (8 bit user
programmable word).
TU-12, TU-11 Mapping or
AU-3 Word (8 bit user
programmable word).