NEC VisuaLink 128 Manual de usuario descargar pdf (Pagina 39)

Specifications 5-9

VisuaLink 128/384 General Description

Multi-Point Conference Control

Multi-Point Conference Modes:

•Audio Switch

• Chairman mode (Video selection, local room transmission,

multiple address, remote camera control, pointer control, still

picture transmission, remote camera switch)

• Selective Receive (Video selection, local room transmission)

Multi-point conference control protocol.

• ITU-T Recommendation H.243 (International Standard Method

using LSD)

• NEC own method (NEC's own method using MLP)

Camera Control

Switching modes:

• VisuaLink Remote Control (Local/remote camera control

(camera switch, pan/tilt/zoom/preset)

• PC software (sold separately) can control a local camera (near

end) and remote camera (far end).

• Speaker detecting. It detects a speaker from the connected

microphones (one of three) and automatically switches to the

stored preset for that speaker.

Selection for camera type:

•VC-C1

•EVI-D30

Remote camera protocol selection:

• ITU-T Recommendation H.281 (International Standard Method

using LSD)

• NEC own method (NEC's own method using MLP)

Maintenance

VisuaLink employs the following maintenance modes:

• VisuaLink firmware can be manually or automatically

downloaded from NEC.

• Loopback diagnosis capability

• Communication log (start date, complete date, duration, fee,

reason for the disconnection) can be recorded and used by a

PC.

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NEC VisuaLink 128 Manual de usuario Pagina 39