- 産業: Telecommunications
- Number of terms: 29235
- Number of blossaries: 0
- Company Profile:
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.
An interface standard for synchronous optical-fiber transmission, applicable to the Physical Layer of the OSI Reference Model. Note: SONET uses a basic bit rate of 51. 840 Mb/s, called OC-1 (optical carrier 1. ) The SONET hierarchy consists of preset integral multiples of OC-1, i.e., OC-3, OC-12, OC-48, etc.
Industry:Telecommunications
An interface suitable for communication between a network element (NE) location and operations systems (OSs) over packet switched networks, dedicated lines, or circuit switched connections.
Industry:Telecommunications
An interface suitable for multipoint concentration by polling.
Industry:Telecommunications
An interface that allows the connection and operation of a system, subsystem, or equipment with another without modification of system characteristics or operational procedures on either side of the interface.
Industry:Telecommunications
An interface through which information flow is partitioned into physical, periodic frames consisting of overhead information and an information payload.
Industry:Telecommunications
An interfacing device employed at the "R" reference point in an ISDN environment that allows connection of a non-ISDN terminal at the physical layer to communicate with an ISDN network. Note: Typically, a terminal adapter will support standard RJ-11 telephone connection plugs for voice and RS-232C, V. 35 and RS-449 interfaces for data.
Industry:Telecommunications
An intermediate station that passes information between terminals or other relay stations. 2. A fixed station used for the reception and retransmission of the signals of another station or stations.
Industry:Telecommunications
An internal representation which uniquely identifies data objects.
Industry:Telecommunications
An international aeronautical emergency frequency, such as 121. 5 MHz (civil) and 243. 0 MHz (military,) for aircraft stations and stations concerned with safety and regulation of flight along national or international civil air routes and maritime mobile service stations authorized to communicate for safety purposes.
Industry:Telecommunications
