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Selecting Test Features
Setting Receive N x 64 kb/s/N x 56 kb/s Structured Payload/Test Signal
Setting Receive N x 64 kb/s/N x 56 kb/s
Structured Payload/Test Signal
Description
Wideband services such as high speed data links and LAN interconnection require a
bandwidth greater than 56/64 kb/s but less than DS1/2 Mb/s e.g. 128 kb/s or
384 kb/s. These wideband signals are sent in a DS1/2 Mb/s frame by sharing the
signal across multiple timeslots.
N x 64kb/s and N x 56 kb/s structured payload/test signal allows the test Timeslots
to be chosen for error measurement even when the Timeslots are non contiguous.
1 Choose the required Test Signal rate.
HOW TO:
2 Choose the Framing pattern of the 2M or DS1 PAYLOAD.
3 Choose the test timeslots within the structured payload using
marks the chosen timeslot. In the example above Timeslots 3, 5, 9, 25, 26, 27 are
chosen for test.
4 Choose the PATTERN type and PRBS polarity.
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DESELECT SELECT
and
softkeys. As each timeslot is chosen an *
DESELECT ALL
75
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