User's Manual
Table Of Contents
- About This Document
- Contents
- 1 Administrator Guidelines
- 2 Getting Started
- 3 Conference Operations Using the Remote Control
- 4 Conference Operations Using the Web Interface
- 5 Device Control
- 6 Address Book Management
- 7 System File Management
- 8 Operation UI Customization
- 9 Routine Maintenance
- 10 Security Maintenance
- 10.1 Overview
- 10.2 Application Layer Security
- 10.2.1 Application Layer Account List
- 10.2.2 Restoring Systems to Default Settings
- 10.2.3 Configuring Encryption
- 10.2.4 Web Management Users
- 10.2.5 Web Access Control
- 10.2.6 SSH Access Control
- 10.2.7 Viewing Logs
- 10.2.8 Enabling FTPS
- 10.2.9 Configuring an FTPS Server
- 10.2.10 Managing Certificates
- 10.2.11 Importing and Updating Web Certificates
- 10.2.12 Importing and Exporting Settings
- 10.3 System Layer Security
- 10.4 Network Layer Security
- 10.5 Management Layer Security
- 10.5.1 Principles of System Maintenance Security
- 10.5.2 Guidelines for Password Security Maintenance
- 10.5.3 Log Maintenance Suggestions
- 10.5.4 Guidelines on Signaling Diagnosis
- 10.5.5 Security Evaluation Recommendations
- 10.5.6 Backup Suggestions
- 10.5.7 Defect Feedback Suggestions
- 10.5.8 Common Measures Against Attacks
- 10.5.9 Security Emergency Response Mechanism
- 10.5.10 Security Emergency Response Mailbox
- 11 Troubleshooting
- A Icons on the Remotely Controlled UI
- B Requirements on Room Layout and Lighting
- C Default Accounts
- D Safety Precautions
- E Glossary
TE20 Videoconferencing Endpoint
Administrator Guide
11 Troubleshooting
Issue 01 (2016-09-01)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
110
Problem
Possible Cause
Solution
conference, the
video of a remote
site can be
displayed
continuously but
the video quality
is not
satisfactory.
test. If the video quality
is good, the video frame
rate set at the remote site
is too high.
join the conference again.
Ask the administrator of
the remote site to perform
video loop and check
video image quality.
Ask the administrator of the remote site to
perform automatic camera focus.
While the
endpoint is not in
use during a
conference, the
video displayed
on the display
device is too
bright or too
dark.
The video settings of the
endpoint are
inappropriate.
Retain the default values for the video
parameters on the endpoint and display
device.
The video settings of the
display device are
inappropriate.
Retain the default values for the video
parameters on the endpoint and display
device.
The camera is faulty.
Send the endpoint to the local distributor
for maintenance.
While the
endpoint is in use
during a
conference and a
remote site is
sharing its
computer
desktop, the local
display cannot
display the
shared computer
desktop.
The resolution of the
remote computer exceeds
the maximum resolution
supported by the
endpoint.
Ask the remote site administrator to
change the resolution and refresh rate of
the remote computer to those the endpoint
supports.
The presentation sharing
function is not enabled at
your site.
On the web interface, choose System
Settings > Conference > Advanced
Settings and enable Presentation.
On the camera
control screen,
navigation and
volume keys on
the remote
control are
unavailable.
The camera you want to
control is not selected.
Access the camera control screen and
select the camera you want to control.
Camera settings are
incorrect.
Verify the camera settings.
Slight jitters
occur on the
demonstration
video.
Because of an incorrect
interface connection or
transmission cable fault,
VGA input signal
interferences occur when
the frame rate is greater
than 60 fps. As a result,
slight jitters occur.
On the web interface, choose Device
Control > Device Control >
Preference-Video, and adjust the
sampling phase to resolve the fault.