- 産業: Telecommunications
- Number of terms: 29235
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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.
In digital carrier systems, the practice or technique of preempting, at regular intervals and for the purpose of transmitting signaling information, one digit time slot that (a) is associated with the given user channel for which signaling is required, and (b) is used primarily for transporting encoded speech via that channel. Note 1: Bit robbing is an option in networks compatible with T-carrier, e.g., an ISDN. Note 2: In conventional T-carrier systems, bit robbing uses, in every sixth frame, the time slot associated with the least significant bit. Synonym speech digit signaling.
Industry:Telecommunications
In data transmission or processing, an indicator, such as a signal, symbol, character, or digit, used for identification. Note: A flag may be a byte, word, mark, group mark, or letter that signals the occurrence of some condition or event, such as the end of a word, block, or message. Synonym field tag.
Industry:Telecommunications
In dial-pulse signaling, that portion of the dial pulse in which the pulsing circuit is in its high-impedance condition. 2. In dial-pulse signaling, that portion of the dial pulse in which the pulsing circuit is on-hook.
Industry:Telecommunications
In database management, a property inherent in an entity or associated with that entity for database purposes. 2. In network management, a property of a managed object that has a value. Note 1: Mandatory initial values for attributes can be specified as part of the managed object class definition. Note 2: Attributes may be either mandatory or conditional.
Industry:Telecommunications
In data transmission, the status of the capability of a secondary station to send or receive a frame containing an information field.
Industry:Telecommunications
In data transmission, the ratio of (a) the absolute value of the maximum measured difference between the actual and the theoretical intervals separating any two significant instants of modulation (or demodulation) to (b) the unit interval. Note 1: These instants are not necessarily consecutive. Note 2: The degree of isochronous distortion is usually expressed as a percentage. Note 3: The result of the measurement should be qualified by an indication of the period, usually limited, of the observation. For a prolonged modulation (or demodulation,) it will be appropriate to consider the probability that an assigned value of the degree of distortion will be exceeded.
Industry:Telecommunications
In data transmission, the link level logical control condition during which a given secondary station may transmit a response.
Industry:Telecommunications
In data transmission, the condition that exists when information flow characteristics are different in each direction.
Industry:Telecommunications
In data transmission, the condition assumed by a primary or secondary station upon correct receipt of a frame for processing.
Industry:Telecommunications
In data transmission, the condition assumed by a device when it receives a command that it cannot execute.
Industry:Telecommunications
