- 産業: Telecommunications
- Number of terms: 29235
- Number of blossaries: 0
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ATIS is the leading technical planning and standards development organization committed to the rapid development of global, market-driven standards for the information, entertainment and communications industry.
A single electrical power source used to energize more than one circuit, component, equipment, or system. Note 1: A common battery is usually an electrolytic device and is usually centrally located to the equipment that it serves. Note 2: In many telecommunications applications, the common battery is at a nominal -48 Vdc. Note 3: A central office common battery supplies power to operate all directly connected instruments. Note 4: Common battery may include one or more power conversion devices to transform commercial power to direct current, with an electrolytic battery floating across the output.
Industry:Telecommunications
A single element that (a) is in the array of elements that compose a switch and (b) consists of a set of physical or logical contacts that operate together to extend the speech and signaling channels in a switched network.
Industry:Telecommunications
A single kind of data for which the identification and description are identical for all occurrences. It may be a data element or a data composite.
Industry:Telecommunications
A single octet that indicates the beginning of each mandatory variable parameter and optional part.
Industry:Telecommunications
A single quantity, rms, characterizing a function, f (x,) given by Note: The term "rms deviation" is also used in probability and statistics, where the normalization, M0, is unity. Here, the term is used in a more general sense.
Industry:Telecommunications
A single record in a security audit trail corresponding to a single security-related event.
Industry:Telecommunications
A single transformer that effectively has three windings, and which is designed to be configured as a circuit having four branches, i.e., ports, that are conjugate in pairs. Note: The primary use of a hybrid coil is to convert between 2-wire and 4-wire operation in concatenated sections of a communications circuit. Such conversion is necessary when repeaters are introduced in a 2-wire circuit. Synonym bridge transformer.
Industry:Telecommunications
A single-digit data element in the 7-digit format that is outpulsed by the network to indicate the numbering plan digit (NPD) and CESID (caller's emergency service ID) display status. In the 10-digit format, two information digits used to indicate the CESID display status. The information digit or digits can also indicate a maintenance test call.
Industry:Telecommunications
A single-frequency signal with a standardized level generally used for level alignment of single links and of links in tandem. Note: For standardized test signal levels and frequencies, see MIL-STD-188-100 for DOD use, and the Code of Federal Regulations, Title 47, part 68 for other Government agencies.
Industry:Telecommunications
A single-frequency signal with standardized level used for testing the peak power transmission capability and for measuring the total harmonic distortion of circuits or parts of a circuit. Note: Standardized test signal levels and frequencies are listed in MIL-STD-188-100 and in the Code of Federal Regulations, Title 47, part 68.
Industry:Telecommunications
