ETSI EN 300 324-8-2000 数字本地交换(LE)的V接口.支持接入网(AN)的V5.1接口.第8部分:数据链路层抽象测试套件(ATS)和部分协议额外测试信息实现(PIXIT)形式规范
V Interface at the Digital Local Exchange (LE); V5.1 Interface for the Support of Access Network (AN); Part 8: Abstract Test Suite (ATS) and Partial Protocol Implementation eXtra Information for Testing (PIXIT) Proforma Specification for the Data Link Lay