Transmission cable containing low-loss pairs with an impedance of 125 ohms; used for telephone carrier circuits, closed-circuit TV, TV pick-ups etc.

Equipment for recording the video waveform so that the mapped images may be stored and later retrieved as the video waveform. [After SMPTE]

A server that distributes video images on demand. [2382-pt.35]

The standard video-signal waveform, measured in IRE units. [After T
1. Rpt16-1992]

1. A teleconference that includes video communications.
2. Pertaining to a two-way electronic communications system that permits two or more persons in different locations to engage in the equivalent of face-to-face audio and video communications.
Note: Video teleconferences may be conducted as if all of the participants were in the same room.

Equipment that performs video teleconference functions, such as coding and decoding of audio and video signals and multiplexing of video, audio, data, and control signals, and that usually does not include I/O devices, cryptographic devices, network interface equipment, network connections, or the communications network to which the unit is connected.

See video teleconference.

1. A telephone that is coupled to an imaging device that enables the call receiver or the call originator, or both, to view one another as on television, if they so desire. [From Weik '89]
2. A military communications terminal that (a) has video teleconference capability, (b) is usually configured as a small desktop unit, designed for one operator, and… (Read More →)

In satellite communications, the quality or degree of visibility of a satellite to a ground station; i.e., the degree to which the satellite is sufficiently above the horizon and clear of obstructions so that it is within a clear line of sight by an Earth terminal.
Note: A pair of satellite Earth terminals has a satellite in mutual view when… (Read More →)

A type of information-retrieval service in which a subscriber can (a) access a remote database via a common carrier channel, (b) request data, and (c) receive requested data on a video display over a separate channel.
Note: The access, request, and reception are usually via common carrier broadcast channels.