HUAWEI VP9050 Executive Video Terminal |
|
User Guide | 13 Maintenance and Troubleshooting |
Figure 13-4 Diagnostic model of the terminal
Figure 13-4 shows the diagnostics of three modules, including the audio module, video module, and network send/receive module.
Normal audio signal streams are as follows:
Local microphone → 1 → 5 → communication network → 6 → 7 → remote speaker
Local speaker ← 2 ← 5 ← communication network ← 6 ← 8 ← remote microphone
Normal video signal streams are as follows:
Local camera → 3 → 5 → communication network → 6 → 9 → remote display
Local display ← 4 ← 5 ← communication network ← 6 ← 10 ← remote camera
Sound and Color Bar Tests
Table
Table
Test | Item to Be Tested/Objective | Signal Stream | |
|
|
|
|
Sound test | 2 audio output | 2 | → speaker |
|
|
|
|
Color bar test | 4 video output | 4 | → display |
|
|
|
|
To perform a sound test, choose Diagnostics > Sound & Color Bar Test > Sound Test. The terminal plays an embedded tone to test the audio output quality.
To perform a color bar test, and then choose Diagnostics > Sound & Color Bar Test > Color Bar Test. The terminal displays 6 color bars on the display to test the color output quality.
Loopback Tests
The terminal can transmit audio or video data on a channel to simulate the actual application and test whether the output is satisfactory. You can perform a local loopback test to check the local network connection or a remote loopback test to check the remote network connection.
Issue 03 | Huawei Proprietary and Confidential | 89 |
| Copyright © Huawei Technologies Co., Ltd |
|
