Table of Contents
Advertisement
Requesting Remote Digital Loopback
Near-end site
Monitor
and speakers
Requesting Remote Audio/Video Loopback
Near-end site
Monitor
and speakers
The Remote Digital Loopback test requests the far-end system to
retrieve data after passing it through the network interface board
and back. This test is part of the ITU-T H.320 videoconferencing
standards and is used by PictureTel service providers to test
PictureTel systems with other vendorsÕ equipment. The following
Þgure illustrates how the remote digital loopback test runs.
Codec
Electronics module
The Remote Audio/Video Loopback test requests the far-end
system to retrieve data after passing it through the codec and back.
This test is part of the ITU-T H.320 videoconferencing standards
and is used by PictureTel service providers to test PictureTel
systems with other vendorsÕ equipment. The following Þgure
illustrates how the remote audio/video loopback runs.
Codec
Electronics module
Network
Electronics module
Network
Electronics module
Running Loopback Tests
Far-end site
Codec
Monitor
and speakers
Far-end site
Codec
Monitor
and speakers
7-19
Advertisement
Table of Contents
