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SONET_Usr.bk Page 38 Wednesday, December 13, 2000 11:11 AM
Selecting Test Features - SDH Operation
Generating Overhead Sequences
Generating Overhead Sequences
Description
You may insert a sequence of patterns into a functional group of overhead bytes for
testing or troubleshooting purposes.
1 Set up the SDH transmit interface and payload required. See "Setting Transmit
HOW TO:
2 Select
3 Choose the type of sequence required.
4 Choose the overhead type as required.
5 Choose the byte or bytes of overhead required.
6
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Interface" page 20.
, SDH, SEQUENCES as shown above.
TEST FUNCTION
SINGLE RUN - runs the sequence once and then stops.
REPEAT RUN - runs the sequence repeatedly until STOPPED is chosen.
RSOH- Regenerator Section Overhead
MSOH - Line Overhead
POH - Path Overhead
Set up the required number of data patterns and the number of frames in which
each data pattern should appear.
Your sequence is derived from up to 5 blocks of hexadecimal data. Each block
can be transmitted in up to 64,000 frames.
The data and the number of frames are set using
INCREASE DIGIT
DECREASE DIGIT
.
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