ETSI EG 201 900-1-2001 高级网络的业务和协议(SPAN).ATM上的窄带业务.应用AAL2的环路仿真业务(LES).第1部分:LES接口规范ATM论坛规范AF-VMOA-0145.000(2000),修正本(版本1.1.1)
Services and Protocols for Advanced Networks (SPAN); Narrowband Services over ATM; Loop Emulation Service (LES) Using AAL2; Part 1: Les Interface Specification (ATM Forum Specification AF-VMOA-0145.000 (2000), Modified; V1.1.1)