Administrator's Guide

Trunk Group
Issue 5 October 2002 1295555-233-506
Marginal Threshold - Minimum ERL
Marginal Threshold - Maximum C Message
Noise
Marginal Threshold - Maximum C Notched
Noise
Marginal Threshold - Minimum SRL-HI
Marginal Threshold - Minimum SRL-LO
Valid entries Usage
0
to 40 Enter the minimum low-frequency echo return loss in dB
allowed before reporting a trunk as out of tolerance. Larger
values are more restrictive.
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
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
0
to 40 Enter the minimum high-frequency signaling return loss in
dB allowed before reporting a trunk as out of tolerance.
Larger values are more restrictive.
Valid entries Usage
0
to 40 Enter the minimum low-frequency signaling return loss in dB
allowed before reporting a trunk as out of tolerance. Larger
values are more restrictive.