l Local camera → 3 → 5 → Communications network → 6 → 9 → Remote monitor
l Local monitor ← 4 ← 5 ← Communications network ← 6 ← 10 ← Remote camera
Sound and Color Bar Tests
Table 13-5 describes sound and color bar tests.
Table 13-5 Sound and color bar tests
Test Item to Be Tested Signal Stream
Sound 2 audio output 2 → Speaker
Color bar 4 video output 4 → Monitor
l To perform a sound test, choose Sound & Color Bar Test > Sound Test. While the test
audio stored on your TE30 plays, check the sound quality.
l To perform a color bar test, choose Sound & Color Bar Test > Color Bar Test. While
seven color bars are displayed on the monitor, check the color display quality.
Loopback Tests
During a loopback test, your TE30 transmits audio or video data through a channel to simulate
actual working conditions and tests whether the output is satisfactory. You can perform a local
loopback test to check the network connection at your site or a remote loopback test to check
the network connection at a remote site. While a remote loopback test is being performed, data
is transmitted from your site to a remote site and then back to your site. Table 13-6 describes
loopback tests.
WARNING
l To enable your TE30 to communicate with other endpoints, stop the loopback test.
l You cannot perform a loopback test on remote video during a dual-stream conference.
Table 13-6 Loopback tests
Test
Item to Be Tested Signal Stream
Audio loopback Local audio module Microphone → 1 → 2 → Speaker
Video loopback Local video module Camera → 3 → 4 → Monitor
Digital loopback Local audio and video
modules
The TE30 performs local audio and video
loopback tests simultaneously.
Remote audio
loopback
l Remote audio module
l Network transmission
Microphone → 1 → 5 → 6 → 7 → 8 → 6
→ 5 → 2 → Speaker
HUAWEI TE30 Videoconferencing Endpoint
User Guide 13 Maintenance
Issue 01 (2013-03-27) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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