HUAWEI VP9050 Executive Video Terminal |
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User Guide |
| 13 Maintenance and Troubleshooting | ||
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| Problem |
| Possible Cause | Solution |
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| The current video output | Set the current video output |
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| interface is set to display the | interface to display the remote |
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| local video. | video. |
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| The local video is |
| The output mode of the video | Ensure that the mode of the |
| not displayed |
| output interface is set | video output interface and the |
| properly. For |
| incorrectly. | cable that is used match each |
| example, the video |
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| other. |
| is in black and white |
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| Check whether the cable is |
| or blinks in black |
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| connected correctly or replace |
| and white. |
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| the cable if necessary. | |
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| After the local site |
| After you perform a local | Send the terminal to the relevant |
| joins a conference, |
| video loopback test, the video | distributor for maintenance. |
| the video of a |
| quality is poor, which |
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| remote site is not |
| indicates that faults exist on |
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| clear. For example, |
| the local video module. |
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| there is mosaic, |
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| When the scene captured by a | Set the main camera of the remote | |
| frozen image, or |
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| discontinuity in the |
| remote camera is changed, the | site to focus automatically. |
| video output. |
| remote video is not clear |
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| because the remote camera is |
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| not set to focus automatically. |
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| In this case, the remote camera |
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| is set to focus on a near or far |
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| scene. |
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| When the conference rate is | If the conference rate is lower than |
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| lower than 256 kbit/s, the | 256 kbit/s, it is recommended that |
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| audio protocol is set | you set the audio protocol to |
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| incorrectly. For example, | G.728 to reduce the bandwidth |
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| access the Call Statistics | used for audio transmission. |
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| screen. If the conference rate |
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| is 256 kbit/s and if the audio |
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| bandwidth is 64 kbit/s, the |
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| video bandwidth will be only |
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| 196 kbit/s. Therefore, the |
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| video quality is poor. |
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| Low video bandwidth is | Try to avoid initiating a |
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| available for the local site | conference when the network is |
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| because the network is busy. | likely to be busy. |
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| Certain data is lost during | Replace the relevant network |
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| transmission, because the | connection device (such as the |
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| quality of a network | optical fiber transceiver). |
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| connection device (such as an |
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| optical fiber transceiver) is |
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| poor. |
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Issue 03 | Huawei Proprietary and Confidential | 94 |
| Copyright © Huawei Technologies Co., Ltd |
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