1000-A2-GN22-00

2. CPX-1000 Voice Services Platform Description

 

 

Echo

Cancellation

Module

The Echo Cancellation module (Figure 2–17) supports echo cancellation with tail up to 64 milliseconds per channel for up to 672 DS0s in accordance with ITU G.165 and ITU G.168.

The Echo Cancellation module is only used when echo cancellation is needed, in conjunction with the Octal T1 module. The Status indicator color means the following:

yellow—CPX shelf is using the EC module

￿off—CPX shelf is not using the EC module

STATUS

0179

Figure 2–17. Echo Cancellation Module

February 2003

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Image 59
Paradyne CPX-1000 manual Echo Cancellation Module