NEC VisuaLink 128 Manual de usuario

VisuaLink 128/384General DescriptionNEC America Inc.July, 1998Stock # 0293739NDA-24229, Issue 1

1-6 IntroductionVisuaLink 128/384 General DescriptionVisuaLink 128/384 Point-to-Point ApplicationsNEC VisuaLink brings a whole new category of port

Introduction 1-7VisuaLink 128/384 General DescriptionVisuaLink DocumentationAdditional information on VisuaLink can be found in the following NEC pu

1-8 IntroductionVisuaLink 128/384 General Description

2-1VisuaLink 128/384 General DescriptionApplication ConfigurationsVisuaLink is the heart of a videoconferencing system. The compact VisuaLink unit can

2-2 Application ConfigurationsVisuaLink 128/384 General DescriptionRoll-About• easily moved, use in active locationsThe VisuaLink Roll-About applic

Application Configurations 2-3VisuaLink 128/384 General DescriptionRoll-About ComponentsThe Roll-About incorporates the following components into on

2-4 Application ConfigurationsVisuaLink 128/384 General DescriptionMotion Video CameraMotion Video CameraThe motion camera (D30) is a full color ca

Application Configurations 2-5VisuaLink 128/384 General DescriptionDesktop PC• also available withcontrol softwareThe VisuaLink Desktop PC applicati

2-6 Application ConfigurationsVisuaLink 128/384 General DescriptionDesktop PC ComponentsThe Desktop PC incorporates the following components:• Visu

Application Configurations 2-7VisuaLink 128/384 General DescriptionVisuaLink Director SoftwareThis Microsoft Windows 95® software allows the PC to c

LIABILITY DISCLAIMERNEC America, Inc. reserves the right to change the specifications, functions, or features, at any time, without notice.NEC America

2-8 Application ConfigurationsVisuaLink 128/384 General DescriptionPersonal ComputerPersonal Computer RequirementsVisuaLink Desktop PC is added to

Application Configurations 2-9VisuaLink 128/384 General DescriptionGatewayThe VisuaLink Gateway application configuration allows shared VisuaLink 12

2-10 Application ConfigurationsVisuaLink 128/384 General DescriptionVisuaLink Direct Connect GatewayThe VisuaLink Direct Connect Gateway applicatio

3-1VisuaLink 128/384 General DescriptionTechnical DescriptionVisuaLink 128 and VisuaLink 384 employ the latest Codec (coder/decoder) technology for di

3-2 Technical DescriptionVisuaLink 128/384 General DescriptionVideo & Audio InterfacesThese circuits provide the correct electrical and protoco

Technical Description 3-3VisuaLink 128/384 General DescriptionSystem ControlThe System Control circuit manages the many separate functions of VisuaL

3-4 Technical DescriptionVisuaLink 128/384 General Description...more on H.320 VideoconferencingITU-T H.320 specifies technical requirements for na

Technical Description 3-5VisuaLink 128/384 General DescriptionVideo ProcessingVideo Processing is a complex process to reduce the amount of image da

3-6 Technical DescriptionVisuaLink 128/384 General Description

4-1VisuaLink 128/384 General DescriptionInstallation & MaintenanceInstallation RequirementsThe compact VisuaLink units need no special installatio

iVisuaLink 128/384 General DescriptionContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . 1-1Overview. . . . . . . . . . . . . . . . .

4-2 Installation & MaintenanceVisuaLink 128/384 General DescriptionMaintenance RequirementsThere are no user serviceable (see Note) components,

5-1VisuaLink 128/384 General DescriptionSpecificationsGeneral SpecificationsThe following diagrams illustrate the VisuaLink 128 and VisuaLink 384 unit

5-2 SpecificationsVisuaLink 128/384 General DescriptionVisuaLink 128/384 Top ViewVisuaLink 128/384 Side View

Specifications 5-3VisuaLink 128/384 General DescriptionGeneral ParametersParameterVisuaLink 128VisuaLink 384ConnectionLine TypeBasic Rate Interface

5-4 SpecificationsVisuaLink 128/384 General DescriptionGeneral Parameters (Cont)ParameterVisuaLink 128VisuaLink 384DataSerial• Ports: 2 Serial (DIN

Specifications 5-5VisuaLink 128/384 General DescriptionExternal Interface ParametersParameterVisuaLink 128VisuaLink 384Line Interface• Applicable Li

5-6 SpecificationsVisuaLink 128/384 General DescriptionExternal Interface Parameters (Cont)ParameterVisuaLink 128VisuaLink 384Audio OutputLine Audi

Specifications 5-7VisuaLink 128/384 General DescriptionOperating Modes & FeaturesThe following provides a summary of the main operating modes an

5-8 SpecificationsVisuaLink 128/384 General DescriptionLine Interface ControlOriginate at a 64 Kbps or 56 Kbps to the North American National ISDN-

Specifications 5-9VisuaLink 128/384 General DescriptionMulti-Point Conference ControlMulti-Point Conference Modes: •Audio Switch • Chairman mode (Vi

ii ContentsVisuaLink 128/384 General DescriptionSpecifications . . . . . . . . . . . . . . . . . . . . . 5-1General Specifications . . . . . . . .

5-10 SpecificationsVisuaLink 128/384 General DescriptionSerial Port ModesSerial Port 1• Console port (PC control)• VC-CI camera control port• EVI-D

NEC America Inc.July, 1998VisuaLink 128/384 General DescriptionStock # 0293739NDA-24229, Issue 1

1-1VisuaLink 128/384 General DescriptionIntroductionOverviewIn today’s fast paced business climate, timely access to accurate information is a critica

1-2 IntroductionVisuaLink 128/384 General DescriptionFeaturesVisuaLink incorporates features for today’s high performance technologies while making

Introduction 1-3VisuaLink 128/384 General DescriptionPhone-Like Dialing•VoicePoint+ connectivity for ease of dialingFor those not wanting to dial us

1-4 IntroductionVisuaLink 128/384 General DescriptionField Upgradable• same software used for both 128 & 384 unitsOften, keeping up with techno

Introduction 1-5VisuaLink 128/384 General DescriptionApplicationsThe Videoconferencing market is growing rapidly with the more widely available ISDN