Regarding the AU-AIS alarm, which of the following statements is correct?

The correct answer is A. AU-PTR is composed of HI, H2, H3H3H3. When H1 and H2 are all "1", the AU-AIS alarm will be. See the full explanation below for the reasoning.

SDH Transmission Principles

Question

Options

AAU-PTR is composed of HI, H2, H3H3H3. When H1 and H2 are all "1", the AU-AIS alarm will be
BAU-PTR is composed of H1, H2, H3H3H3, so when all three are received as "1", the AU-AIS alarm
CWhen the AU-PTR value is 783, the AU-AIS alarm will be reported
DThe management unit pointer part of the positive structure is all "1"

How the community answered

(58 responses)

A
76% (44)
B
5% (3)
C
16% (9)
D
3% (2)

Topics

#AU-AIS#AU pointer#H1 H2 bytes#alarm reporting

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