- 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.
A CLLIâ„¢ Location Identification Code is an eleven-character alphanumeric descriptor used to identify switches, points of interconnection, and other categories of telephony network elements and their locations. For an 11-character location identifier to be termed a CLLI Code, it must reside in CLONES. (CLLI is a trademark of Telcordia Technologies, Inc. )
Industry:Telecommunications
A clock containing a cesium standard as a frequency-determining element.
Industry:Telecommunications
A clock containing a quartz oscillator stabilized by a rubidium standard.
Industry:Telecommunications
A clock containing a quartz oscillator that determines the accuracy and precision of the clock.
Industry:Telecommunications
A clock that is coordinated with a master clock. Note 1: Slave clock coordination is typically achieved by phase-locking the slave clock output signal to a signal coherent with, or whose clocking source is traceable to, the master clock. Note 2: If it is necessary to adjust for the transit time of the signal from the master clock to the slave clock, the phase of the slave clock may be adjusted with respect to the signal from the master clock so that both clocks are in phase. Thus, the time markers of both clocks, at the output of the clocks, occur simultaneously.
Industry:Telecommunications
A clock that is remote from a particular facility, such as a communications station or node, with which it is associated. 2. A clock that is remote from another clock to which it is to be compared.
Industry:Telecommunications
A clock that satisfies the particular needs of equipment and, in some cases, may control the flow of data at the equipment interface.
Industry:Telecommunications
A clock with which another clock is compared. 2. A clock, usually of high stability and accuracy, used to govern a network of mutually synchronized clocks of lower stability. Note: The failure of a reference clock does not necessarily cause loss of synchronism.
Industry:Telecommunications
A closed user group in which at least one member of the group has a facility that permits communication with one or more users external to the closed user group.
Industry:Telecommunications
