Huawei TE40 Administrator's Manual page 136

HUAWEI TE40&TE50&TE60 Videoconferencing
Endpoint
Administrator Guide
Figure 12-1 Diagnostics model
Figure 12-1
network transception module.
Audio signals are transmitted in the following signal path:


Video signals are transmitted in the following signal path:


Sound and Color Bar Tests
Table 12-1
Table 12-1 Sound and color bar tests
Test
Sound
Color bar


Loopback Tests
During a loopback test, your endpoint transmits audio or video data through a channel to
simulate actual working conditions and tests whether the output is satisfactory. You can
Issue 01 (2013-09-30)
shows the diagnostics of three modules: audio module, video module, and
Local microphone → 1 → 5 → Communication network → 6 → 7 → Remote speaker
Local speaker ← 2 ← 5 ← Communication network ← 6 ← 8 ← Remote microphone
Local camera → 3 → 5 → Communications network → 6 → 9 → Remote display
device
Local display device ← 4 ← 5 ← Communications network ← 6 ← 10 ← Remote
camera
describes sound and color bar tests.
Item to Be Tested
2 audio output
4 video output
To perform a sound test, choose Sound & Color Bar Test > Sound Test. While the test
audio stored on your endpoint plays, check the sound quality.
To perform a color bar test, choose Sound & Color Bar Test > Color Bar Test. While
seven color bars are displayed on the display device, check the color display quality.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
12 Troubleshooting
Signal Stream
2 → Speaker
4 → Display device
128