L78 数据通信 标准查询与下载
共找到 1749 条与 数据通信 相关的标准，共 117 页
Information technology - Telecommunications and information exchange between systems - Powerline communication (PLC) - High speed PLC medium access control (MAC) and physical layer (PHY) - Part 1: General requirements
- ICS
- 35.110
- CCS
- L78
- 发布
- 2009-07
- 实施
本部分规定了电话号码映射(ENUM)Tier2系统的系统架构、接口、运行管理和环境等要求。本部分适用于电话号码映射(ENUM)解析系统中的Tier2系统。
Technical Requirement for ENUM-Resolution System.Part 2: Tier 2 System
- ICS
- 33.040.40
- CCS
- L78
- 发布
- 2009-06-15
- 实施
- 2009-09-01
本部分规定了电话号码映射(ENUM)解析系统Tier系统的整体架构，Tier系统与网络中其他服务及设备间的关系、功能要求、性能要求、安全要求、运行管理要求等。本部分适用于电话号码映射(ENUM)解析系统中的Tierl系统。
Technical Requirement for ENUM Resolution System.Part 1: Tier 1 System
- ICS
- 33.040.40
- CCS
- L78
- 发布
- 2009-06-15
- 实施
- 2009-09-01
This International Standard defines a protocol for the physical layer (PHY) and the data link layer in order to construct a reliable and high-speed data transmission network between devices on industrial sites such as factories and plants. This network specification provides a standardized protocol to provide a framework for various industrial devices to establish a simple, low-cost, energy-efficient, and high-speed network between them. In order to fulfil the service requirements of the factories and large plants, this network specification is designed to enable devices to establish a network by themselves without the help of any infrastructure and to reliably exchange various kinds of data, including real-time audio and video data, between them. In addition to high transmission rates, Quality of Service (QoS) for multimedia data - such as video - is also provided. The devices mentioned in this International Standard refer to equipment that can be used on industrial sites such as factories and automated assembly lines. Devices include PLC (Programmable Logic Controller), and CNC (Computerized Numerical Controller) and manufacturing robots. However, beyond such conventional devices, devices mentioned in this document include personal IT devices that workers may carry and use while working, including cellular phones, personal industrial digital assistants (PDA), and laptop PCs.
Information technology - Telecommunications and information exchange between systems - MAC/PHY standard for ad hoc wireless network to support QoS in an industrial work environment
- ICS
- 35.110
- CCS
- L78
- 发布
- 2009-04-01
- 实施
Information technology - Multimedia content description interface - Part 12: Query format; Technical Corrigendum 1
- ICS
- 35.040
- CCS
- L78
- 发布
- 2009-04
- 实施
Information technology - Telecommunications and information exchange between systems - Next Generation Corporate Networks (NGCN) - Identification and routing
- ICS
- 35.110
- CCS
- L78
- 发布
- 2009-04
- 实施
Information technology - Telecommunications and information exchange between systems - Next Generation Corporate Networks (NGCN) - General
- ICS
- 35.110
- CCS
- L78
- 发布
- 2009-04
- 实施
Information technology - Telecommunications and information exchange between systems - Corporate telecommunication networks - Tunnelling of QSIG over SIP
- ICS
- CCS
- L78
- 发布
- 2009-04
- 实施
IEC 61158 Series: Industriel communication networks - Fieldbus specifications & IEC 61784 Series: Industrial communication networks - Profiles
- ICS
- CCS
- L78
- 发布
- 2009-01
- 实施
This part of IEC 61970 is a member of the Part 450 to 499 series that, taken as a whole, defines, at an abstract level, the content and exchange mechanisms used for data transmitted between control center components. Included in this part of IEC 61970 are the general use cases for exchange of graphic schematic display definitions, and guidelines for linking the schematic definitions with CIM data. Guidelines for management of schematic definitions through multiple revisions are also included.
Energy management system application program interface (EMS-API) - Part 453: CIM based graphics exchange (IEC 61970-453:2008); English version EN 61970-453:2008
- ICS
- 35.240.50
- CCS
- L78
- 发布
- 2009-01
- 实施
- 2009-01-01
Information technology - Programming languages, their environments and system software interfaces - Extension for the programming language C to support decimal floating-point arithmetic
- ICS
- 35.060
- CCS
- L78
- 发布
- 2009-01
- 实施
Information technology - Programming languages, their environments and system software interfaces - Extensions to the C Library to support mathematical special functions
- ICS
- 35.060
- CCS
- L78
- 发布
- 2009-01
- 实施
This International Standard provides a generic request/reply-oriented data access mechanism for applications from independent suppliers to access CIM data in combination with IEC 61970-402: Common Services. An application is expected to use the Generic Data Access (GDA) service as part of an initialisation process or an occasional information synchronization step. GDA is generic in that it can be used by an application to access any CIM data. GDA is also generic in that it also provides a back end storage mechanism independent query capability that can be used to facilitate the creation of CIM data warehouses. This specification provides a simple, concise service that meets the functionality requirements of current and future applications while: tl ~ avoiding unnecessary complexity; ~ not requiring any specific database technology for implementation. This service is designed to support interaction where the application or system requesting information is developed, supplied, maintained, or operated by a separate agency from the application supplying the data. Furthermore, the update portion of this service assumes that it is undesirable for one system to directly write into another1). To support these objectives, the GDA capabilities are divided into three categories: a) read access; b) update access; c) change notification events. It should be noted that the update portion of this service does not support unconditional access to critical real-time data. Rather, the update portion allows a requesting application to ask for data to be changed in a service provider, but the service provider is under no obligation to carry out that change at any particular time. Furthermore, a positive response from the update service does not ~ indicate that the update has occurred, but only that the service provider has successfully received I the request and that the request is syntactically and semantically correct. GDA could be classified as an Enterprise Information Integration (Ell) technology adapter specialized to the power industry via the assumed use of the CIM. There are a number of Ell products currently available on the market, but there is no accepted cross-platform standard for writing connectors for these products and overall these products do not take full advantage of a common semantic model such as the CIM. In recommending GDA, WG 13 is recommending a standard Ell connector model in the form of a simpler, less expensive, and more specialized interface.
Energy management system application program interface (EMS-API) - Part 403: Generic data access (IEC 61970-403:2008); English version EN 61970-403:2008
- ICS
- 35.240.50
- CCS
- L78
- 发布
- 2009-01
- 实施
- 2009-01-01
This International Standard provides the base functionality considered necessary and common that is provided by neither the normative standards incorporated by reference nor the new APIs specified in the IEC 61970-403 to IEC 61970-449 1) generic interface standards. An application is expected to use the Common Services in conjunction with the generic interfaces. These application category independent interfaces include: ~ IEC 61970-403: Generic Data Access (GDA) ~ IEC 61970-404: High Speed Data Access (HSDA) ~ IEC 61970-405: Generic Eventing and Subscription (GES) ~ IEC 61970-407: Time Series Data Access (TSDA) To support these objectives, the Common Services are divided into three categories: a) Resource Identifiers - A common way of identifying classes, class attributes, and object instances. b) Resource Description - A common way of encoding values associated with classes, class attributes, and object instances. c) Views - A common way of presenting classes, class attributes, and object instances via hierarchies. IEC 61970-402 contains API services that are considered to be foundational. As such, all the other parts in the IEC 61970-4xx series assume their existence. As a result, the services described in IEC 61970-402 are required for any component that complies with the IEC 61970-4xx series of standards. Though the target of this IEC standard includes the control center technical domain, common services encompass a general set of concepts that can be applied to many types of systems. Examples of these systems include: ~ Distribution management systems ~ Work or asset management systems ~ Geographic information systems ~ Outage management systems ~ Other types of operational business systems. In recognition that the integration between applications in two or more of these systems is often necessary, the intent of this specification is to address general common service requirements to the extent that they are common to different types of systems while effectively addressing the control center needs.
Energy management system application program interface (EMS-API) - Part 402: Common services (IEC 61970-402:2008); English version EN 61970-402:2008
- ICS
- 35.240.50
- CCS
- L78
- 发布
- 2009-01
- 实施
- 2009-01-01
Information technology - Multimedia content description interface - Part 1: Systems AMENDMENT 2: Fast access extension
- ICS
- 35.040
- CCS
- L78
- 发布
- 2009
- 实施
Information technology - Multimedia content description interface - Part 4: Audio - Amendment 1: Audio extensions
- ICS
- 35.040
- CCS
- L78
- 发布
- 2009
- 实施
This project is to augments the capabilities of the ANSI/IEEE Std 802.3 standard with higher power levels and improved power management information.
Standard for Information Technology - Telecommunications and Information Exchange Between Systems - Local and Metropolitan Area Networks - Specific Requirements - Part 3: Carrier Sense Multiple Access with Collision Detection (CSMA/CD) Access Method and P
- ICS
- 35.100.10;35.110
- CCS
- L78
- 发布
- 2009
- 实施
Standard for Information Technology - Telecommunications and Information Exchange Between Systems - Local and Metropolitan Area Networks - Specific Requirements Part 3: Carrier Sense Multiple Access with Collision Detection (CSMA/CD) Access Method and Phy
- ICS
- 35.100.10;35.110
- CCS
- L78
- 发布
- 2009
- 实施
OAM&P - Principles of Functions, Architectures, and Protocol for Telecommunications Management Network (TMN) Interfaces and enhanced Telecom Operations Map (eTOM)
- ICS
- 33.040.20
- CCS
- L78
- 发布
- 2009
- 实施
Information technology - Multimedia content description interface - Part 5: Multimedia description schemes AMENDMENT 3: Improvements to geographic descriptor
- ICS
- 35.040
- CCS
- L78
- 发布
- 2009
- 实施
