标准摘要
[中文适用范围]： 指定通过单个接口实现时适用于租用线路上的数据传输的备份操作程序，控制租用和备份设施，使用 ITU-T 建议 V.24 交换电路与 25 - 极连接器 (ISO 2110) 或 26 极连接器 (ISO/IEC 11569)。 取消并取代了经过技术修订的第一版。 [外文原描述]： Specifies the procedures for back-up operation applicable to data transmission on a leased line when implemented through a single interface, controlling both the leased and the back-up facilities, using ITU-T Recommendation V.24 interchange circuits in conjunction with either the 25-pole connector (ISO 2110) or the 26-pole connector (ISO/IEC 11569). Cancels and replaces the first edition, which has been technically revised.
英文名称Information technology - Telecommunications and information exchange between systems - DTE/DCE interface back-up control operation using ITU-T Recommendation V.24 interchange circuits