标准编号：ISO 21218:2013
中文名称：智能运输系统 地面移动通信访问（CALM） 访问技术支持
英文名称：Intelligent transport systems — Communications access for land mobiles (CALM) — Access technology support
发布日期：2013-03
标准范围
This International Standard determines general technical details related to the access layer of the ITS station reference architecture specified in ISO 21217 which are applicable to all or several access layer technologies. This includes especially the service access point (SAP) of a communication interface (CI) as provided by the communication adaptation layer (CAL) for communication. The SAP provided by the CI management adaptation entity (MAE) for management of the communication interface is specified by reference to ISO 24102-3.
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