标准摘要
[中文适用范围]： 定义当通过专用路径连接（交换或永久）访问符合 CCITT 建议 X.25 的公共或专用分组交换网络或其他 DTE 时，对在数据链路层和分组层运行的 DTE 进行测试符合 ISO/IEC 7776 和 ISO/IEC 8208。 [外文原描述]： Defines the testing of a DTE operating at the Data Link Layer and at the Packet Layer when accessing, by means of a dedicated path connection, switched or permanent, a public or private packet-switched network conforming to CCITT Recommendation X.25 or another DTE conforming to ISO/IEC 7776 and ISO/IEC 8208.
英文名称Information technology - Telecommunications and information exchange between systems - X.25 DTE conformance testing - Part 1: General principles