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B3 question


B3 is in the path overhead column of the 2nd row in the WIS frame.
It is specified to cover the most recent SPE. However, the SPE from
the transmitter starts after the "fixed stuff" in the 4th row and
runs to the end of the next 3rd row.

Does this mean that the B3 octet in WIS frame #N covers the SPE
that starts in WIS frame N-2 and ends in WIS frame N-1?


Benjamin Brown
Router Products Division
Nortel Networks
1 Bedford Farms,
Kilton Road
Bedford, NH 03110
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