V interfaces at the digital Local Exchange (LE) - V5.1 interface for the support of Access Network (AN) - Part 7: Test Suite Structure and Test Purposes (TSS&TP) specification for the data link layer as German standard) (Endorsement of the English version ETS 300324-7:1999 as German standard)
数字本地交换机(LE)-V5上的V接口 1.支持接入网(AN)的接口.第7部分:作为德国标准的数据链路层的测试套件结构和测试目的(TSS&TP)规范(作为德国标准认可英文版ETS 300324-7:1999)