Glossary:

ATIS Telecom Glossary

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Select a term name to open its entry and any media references. Longer definitions end with a “Read More” link.

injection laser diode (ILD)

A laser that uses a forward-biased semiconductor junction as the active medium.
Note: Stimulated emission of coherent light occurs at a p-n junction where electrons and holes are driven into the junction. Synonyms diode laser, laser diode, semiconductor laser. See figure on following page.

ink vapor recording

Recording in which vaporized ink particles are deposited directly upon the record medium.

inline

An image on a web page that is displayed directly to the viewer rather than being made available only as a hot link.

Inoperative

Is where an individual circuit will not function in service (e.g., open, shorted) or cannot transmit address signaling in either direction

input

1. In a device, process, or channel, a point that accepts data.
2. A state, or a sequence of states, of a point that accepts data.
3. A stimulus, such as a signal or interference, that enters a functional unit, such as a telecommunications system, a computer, or a computer program.

input data

1. Data being received or to be received by a device or a computer program.
2. Data to be processed.

input focus

The attribute of a user interface component, such as a window, that enables it to receive input from a particular input device, such as the keyboard. [T1.232-1996]

input protection

For analog input channels, protection against overvoltages that may be applied between any two input connectors or between any input connector and ground.

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