Sound and Color Bar Tests, Loopback Tests | Huawei VP9050 manual

HUAWEI VP9050 Executive Video Terminal
User Guide	13 Maintenance and Troubleshooting

Figure 13-4Diagnostic model of the terminal

Figure 13-4shows 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 13-3describes sound and color bar tests.

Table 13-3Sound and color bar tests

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 (2011-12-10)	Huawei Proprietary and Confidential	89
	Copyright © Huawei Technologies Co., Ltd

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Huawei VP9050 manual Sound and Color Bar Tests, Loopback Tests, Test Item to Be Tested/Objective Signal Stream

Contents

User Guide No Warranty About This Document PurposeRelated Versions Intended Audience Symbol Description Symbol ConventionsConventions Command Conventions General ConventionsConvention Description Boldface Keyboard Operations GUI ConventionsMouse Operations Contents Audio Settings Conference Control Remote Management from the Web Interface Security 109 Installation and Preparation Features System Components Appearance of the TerminalBasic Components Optional Components Issue 03 Huawei Proprietary and Confidential Rear View 2shows the rear view of the terminal Issue 03 Huawei Proprietary and Confidential Right View DIP Indicators Connecting the TerminalSystem Connection Status Description Issue 03 Huawei Proprietary and Confidential Connecting the External Devices 5Connecting to external devices Uncovering the Lens Starting/Shutting Down the SystemStarting the System Shutting Down the System Touch Panel Home screen End Network Settings Using the Settings WizardSetting Basic Parameters Choose Settings General Status Indicators of the LAN Interface Configuring an IP LANStartup Setting IP Parameters Indicator Status Connection Status Setting H.323 Parameters TIP Setting SIP Parameters Setting Snmp Parameters Setting QoS Parameters Enable SnmpGet community name Set community name Setting Firewall Parameters Dscp Select Enable H.460 Use NAT or Enable H.460 Setting Network Diagnostics Parameters Configuring the 3G NetworkInserting a 3G Data Card Setting 3G Parameters Preventing recurring network attacks APN End Page Configuring the Built-In Camera Video SettingsChoose Settings Video Video Output Configuring the External Camera Getting to Know the Video Input InterfaceGetting to Know the Video Output Interface Video Input Type Receivable Input Format Control Interface Setting Camera Input Parameters Choose Settings Video Video Input Select DVI/VGAYes YPrPb Ratio. For example, to change a wide-screen video to a Setting Camera Output Parameters Choose Settings Video Video Output Select DVI/VGA OUT Selecting a Camera Selecting and Controlling a CameraPress Adjusting the Focal Length of a Camera Saving and Using Camera PresetsControlling a Camera Saving a Camera Preset Moving a Camera to a PresetDeleting All Camera Presets Step Output Mode Video Resolution Setting the Video Resolution and Refresh RateVideo Resolution Refresh Rate Hz Connecting an Audio Device Audio SettingsSetting Audio Parameters Volume Left audio sourceRight audio SourcePage Initiating a Conference Using Different Methods Conference Initiation Initiating a Conference from the Conference History Screen Initiating a Conference from the Call Screen Initiating a Conference from the Address Book ScreenScheduling a Conference Setting Conference Parameters Setting the Answering ModeAnswering Incoming Calls and Ending a Conference Ending a Conference Sharp or Smooth Conference Control screen Setting Up an H.239 Dual-Stream Conference Enabling the H.239 ModeDesignating the Dual Streams Choosing Input Sources Joining an Authentication Conference Sharing a Presentation On the remote control to display the Call screen Managing the Local Address Book Managing the Address BookCreating a Site Creating a Group Modifying Deleting Setting Network Address Book ParametersSearching Downloading a Network Address Book Conference Control Customizing the Option BarCustomizing the Conference Control Screen Select Viewing Sites Using Conference Control FunctionsFunction Name Description Broadcasting Sites Disconnecting a Site Giving the Floor to a SiteDisplaying Sites Requesting for the Floor Placing a Call Muting and Unmuting the Microphone Muting and Unmuting the SpeakerRequesting for Chair Control Rights Requesting for the Floor Setting the Continuous Presence Enabling and Disabling Voice ActivationReleasing Chair Control Rights Enabling Discussion Adding Sites Extending a ConferencePage Adjusting the Local Video Effects Adjusting the Video Display EffectsVideo and Audio Configuring the Built-In Camera Adjusting Video Parameters Choose Settings Display Video Parameters DVI/VGA Resolution ImageMode White Adjusting the Picture Offset Customizing the Status Icons to Be Displayed on ScreensPacket Loss Icon Other Icons Adjusting the Sampling Phase Adjusting Audio EffectsChoose Settings Display Sampling Phase Adjusting the Screen Layout Adjusting the VolumeVirtual surround gain, Distance for perceiving virtual Local Video Source Selecting a Video SourceLocal Presentation Source Hiding the Local Video Remote Video Source Captions Configuring CaptionsNon-T.140 Caption Creating a Caption Sharing a Caption Select Utilities Caption Sending an Instant Message Restricting Screen Access Using the Administrator Password Setting the Administrator PasswordSecurity Allowing Remote Login Enabling H.235 Encryption Switching Between the Conference Mode and the PC Mode Adjusting the Display EffectTerminal as a Display Answering a CallPage Configuring a Web Browser Allowing Login from the Web InterfaceRemote Management from the Web Interface Logging In to the Terminal from the Web Interface Cookies from sites. Then click OK Functions Provided on the Web Interface 1Home page of the web interface Exporting the Address Book Modifying Records of an Address BookImporting an Address Book Customizing Shortcut Icons Setting a Template for Viewing Sites Automatically NavigationSite List Conference Control Setting a Grouping Template Monitoring Videos Maintenance and Troubleshooting Routine MaintenanceChecking the Working Environment Periodically Checking Cable Connection Periodically Viewing the System Status Viewing the System InformationAudio-Visual Cables Communication Cables Software Upgrade Viewing Logs Upgrading a Single Terminal Upgrading the Software Locally Using a ComputerMethod Usage Upgrading Multiple Terminals at a Time Click UpgradeClick Upgrading Certain Selected Software Modules Upgrading the Software Using the Minimum System Diagnostics Sound and Color Bar Tests Test Item to Be Tested/Objective Signal StreamLoopback Tests Network test IP access Terminal → LAN or public network Test Item to Be Signal Stream Tested/ObjectiveNetwork Test Remote Control Test TroubleshootingWeb Interface Network Video Problem Possible Cause Solution Access the Call Statistics Room light to Bright. If the video Audio Conference Initiation Choose Settings Network 323 ID, or Password is set Restoring Default Settings Conference ControlView Site Voice Activation Viewing Help on the User Interface Technical Support APrecautions Basic RequirementsEnvironmental Requirements Operating Requirements Cleaning Requirements Battery Usage Requirements of the Remote Control LCD Cleaning Requirements Wireless Product Usage RequirementsLCD Usage Requirements Disposal and Recycling Information Reduction of Hazardous Substances Technical Specifications Category Specification Issue 03 Huawei Proprietary and Confidential 107 Lighting Precautions Layout PrecautionsVideoconferencing Room Layout DGlossary Numerics Panes720p Continuous presence Dual stream 711722 728 264 Picture in pictureRevoke presentation Revoke chair Acronyms and Abbreviations QoS Quality of Service Wideband Code Division Multiple AccessPPPoE PPP Over Ethernet Pan/Tilt/Zoom