Glossary:

ATIS Telecom Glossary

Search Keyword By: all

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

open dual bus

A dual bus in which the head-of-bus functions for both buses are at different locations.

open network architecture (ONA)

In the context of the FCC's Computer Inquiry III, the overall design of a communication carrier's basic network facilities and services to permit all users of the basic network to interconnect to specific basic network functions and interfaces on an unbundled, equal-access basis.
Note: The ONA concept consists of three integral components: (a) basic serving arrangements (BSAs), (b) basic service… (Read More →)

open specifications

Public specifications that are maintained by an open, public consensus process to accommodate new technologies over time and that are consistent with international standards [POSIX.0].

open storage

Storage of classified information within an accredited facility, but not in General Services Administration approved secure containers, while the facility is unoccupied by authorized personnel. [INFOSEC-99]

open switching interval (OSI)

An interval when the dc voltage applied between the tip and ring conductors of a line is removed, hence temporarily suspending line supervision and transmission. [T1.401-1998]

open system

1. A system with characteristics that comply with specified, publicly maintained, readily available standards and that therefore can be connected to other systems that comply with these same standards.
2. A system that implements sufficient open specifications for interfaces, services, and supporting formats to enable properly engineered applications software:- to be ported with minimal changes across a wide range of… (Read More →)

open system environment (OSE)

The comprehensive set of interfaces, services, and supporting formats, plus user aspects for interoperability or portability of applications, data, or people, as specified by information technology standards and profiles [POSIX.0].

open systems architecture

1. The layered hierarchical structure, configuration, or model of a communications or distributed data processing system that (a) enables system description, design, development, installation, operation, improvement, and maintenance to be performed at a given layer or layers in the hierarchical structure, (b) allows each layer to provide a set of accessible functions that can be controlled and used by the… (Read More →)

Open Systems Interconnection (OSI)

Pertaining to the logical structure for communications networks standardized by the International Organization for Standardization (ISO).
Note: Adherence to the standard enables any OSI-compliant system to communicate with any other OSI-compliant system for a meaningful exchange of information.

Showing 5,921–5,930 of 9,487 results