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Page 296 of 504 Digital telephones line engineering
553-3001-367 Standard 3.00 August 2005
Figure 47
Engineer a telephone line (Part 6 of 8)
Is the
problem fixed?
[ 24 ]
Go to
Step 27
YES
End of
procedure.
Are
impulse
noise and
background noise
within limits?
Is the
performance
OK?
Go to
Step 27
NO
Go to
Step 27
NO
YES
553-AAA2058
[ 25 ]
[ 26 ]
YES
NO