NEC Visualink 128/384 General Description Manual

Introduction   1-7
VisuaLink 128/384 General Description
VisuaLink Documentation
Additional information on VisuaLink can be found in the following NEC 
publications:
•VisuaLink User Manual
, Stock # 0293884
•VisuaLink Quick Installation Guide
, Stock # 0293885
•VisuaLink Engineering Guide
, Stock # 0293886
Consult these documents for additional user, installation, and technical 
information. 

1-8    Introduction
VisuaLink 128/384 General Description 

2-1
VisuaLink 128/384 General Description
Application Configurations
VisuaLink is the heart of a videoconferencing system. The compact 
VisuaLink unit can be configured with a variety of peripheral 
equipment to address most any videoconferencing need.
Three configurations best use the VisuaLink technology to provide 
solutions to business videoconferencing:
• Roll-About
• Desktop PC
• Gateway
These application configurations allow a business to provide 
videoconferencing from the individual desktop to...

2-2    Application Configurations
VisuaLink 128/384 General Description
Roll-About
• easily moved, use in active 
locationsThe VisuaLink Roll-About application configuration provides a turn-key 
solution to most general business uses for videoconferencing. The 
Roll-About includes everything necessary for high quality 
videoconferencing. Just roll the unit to a conference room, display 
area, or shop floor and connect a ISDN BRI line.
• turn-key solution-- no additional 
devices needed for a standard...

Application Configurations   2-3
VisuaLink 128/384 General Description
Roll-About Components
The Roll-About incorporates the following components into one easy 
to move unit for videoconferencing:
• Video Cabinet
• VisuaLink 128 or VisuaLink 384 Codec
• Video Monitor
• Motion Camera
• Microphone
•Cable Kit
Video CabinetVideo Cabinet
The Roll-About uses a cabinet (RA 128/384) that contains all 
components that mount in or on the cabinet to make an all-in-one 
videoconferencing unit. There is additional...

2-4    Application Configurations
VisuaLink 128/384 General Description
Motion Video CameraMotion Video Camera
The motion camera (D30) is a full color camera with the following 
features:
• Effective picture elements of 380,000 (EVI-D30) provides
high-resolution video images
• High speed pan/tilt/zoom actions controlled by VisuaLink
• Automatic focus
• Captures the video in the local room
Desktop MicrophoneMicrophone
A conference type omni-directional desktop microphone (AT841/INT) 
is supplied with the...

Application Configurations   2-5
VisuaLink 128/384 General Description
Desktop PC
• also available with
control softwareThe VisuaLink Desktop PC application configuration provides a 
business solution for videoconferencing at the individual desktop. 
Desktop PC components install and work with a user’s desktop PC 
system. It includes everything necessary for high quality 
videoconferencing from the desktop.
Videoconferencing is no longer limited to fixed installations in a corner 
meeting room.The...

2-6    Application Configurations
VisuaLink 128/384 General Description
Desktop PC Components
The Desktop PC incorporates the following components:
• VisuaLink 128 or VisuaLink 384
• Video Capture Board
• CCD Desktop Camera
• Microphone
•Cable Kit
• VisuaLink Director software
VisuaLink 128/384
Depending on the requirements, either a VisuaLink 128 or VisuaLink 
384 (both include infrared remote control) would be supplied as the 
heart of a videoconferencing system.
Video Capture Board
The Video Capture...

Application Configurations   2-7
VisuaLink 128/384 General Description
VisuaLink Director Software
This Microsoft Windows 95® software allows the PC to control the 
VisuaLink 128/384 unit, thereby providing complete control of the 
videoconference. All functions are provided with easy to use PC 
screen messages and menus.
Options
Additional options are available with the Desktop PC application 
configuration:
•NT1
• Graphics Camera
•D30 Camera
• AT841/INT Microphone
If using the Desktop PC with external...

2-8    Application Configurations
VisuaLink 128/384 General Description
Personal ComputerPersonal Computer Requirements
VisuaLink Desktop PC is added to a user’s Personal Computer. The 
general requirements for a personal computer to support Desktop PC 
are:
• Pentium CPU (100 Mhz or faster)
• 16 Mb of system memory
• Available PCI bus slot
• 16-bit PC graphics board supporting Direct Draw
• Sound Board, multimedia subsystem, or powered speakers
• Microsoft Windows 95
®
Laptop PC optionLaptop PC option...