DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506 Issue 1
April 2000
Screen reference
1027Trunk Group
17
Marginal Threshold - Maximum C Message
Noise
Unacceptable Threshold - Maximum C Message
Noise
Marginal Threshold - Maximum C Notched
Noise
Unacceptable Threshold - Maximum C Notched
Noise
Marginal Threshold - Minimum SRL-HI
Valid entries Usage
15 to 55 Enter the maximum C-message noise phone as measured
within the voice band frequency range (500 to 2500 Hz)
allowed before reporting a trunk as out of tolerance. Smaller
values are more restrictive.
Valid entries Usage
15 to 55 Enter the maximum C-message noise interference in dBmC
above reference noise terminating on a phone as measured
within the voice band frequency range (500 to 2500 Hz)
allowed before reporting a trunk as unacceptable. Smaller
values are more restrictive.
Valid entries Usage
34 to 74 Enter the maximum C-notched signal dependent noise
interference in dBmC allowed before reporting a trunk as out
of tolerance. Smaller values are more restrictive.
Valid entries Usage
34 to 74 Enter the maximum C-notched signal dependent noise
interference in dBmC allowed before reporting a trunk as
unacceptable. Smaller values are more restrictive.
Valid entries Usage
0 to 40 Enter the minimum high-frequency signalin g re turn loss in dB
allowed before reporting a trunk as out of tolerance. Larger
values are more restrictive.