Agilent Technologies OmniBER 718 SDH User Manual page 329

AU-3/TUG-3 Background Patterns
Table 8 TUG-3 Background Patterns
Foreground
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 DS1 with
Unframed 2E15-1, 2E9-1 PRBS or 1100 Word
pattern in other TU-11s.
TU-11 (DS1) TU-11 structure, framed with 2E15-1,
Framed 2E9-1 PRBS, NUMBERED or 1100
word pattern in other TU-11s.
In Numbered mode, each timeslot
contains the pattern 1NNNNNN1 where
NNNNNN is the binary number of the
TU. Framing type will be the same as
the foreground except when SLC96 is
selected. In this case, D4 framing is
inserted in the background
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Background choice in
Foreground TUG-3
Background choice in
other TUG-3s
TU-12, TU-11 Mapping or
TU-3 Word (8 bit user
programmable word).
TU-12, TU-11 Mapping or
TU-3 Word (8 bit user
programmable word).
TU-12, TU-11 Mapping or
TU-3 Word (8 bit user
programmable word).