随着时间的推移,xDSL(各种数字用户线技术的统称)这个名词已经为人们所熟悉,xDSL分成HDSL(高比特率DSL)、ADSL(非对称DSL)、RDSL(速率自适应DSL)、VDSL(甚高速DSL)等,特别是ADSL技术,不断得到用户和电信运营商的认可。在宽带接入网快速发展过程中,DSLAM起了很大作用。 DSLAM(Digital Subscriber Line Access Multiplex-er),全称是数字用户线路接入复用器,作为接入层的 As time goes by, the term xDSL (a collective term for various digital subscriber line technologies) has become familiar, and xDSL is divided into HDSL (High Bit Rate DSL), ADSL (Asymmetric DSL), RDSL (Rate Adaptive DSL) VDSL (very high speed DSL), etc., especially ADSL technology, continue to get the approval of users and telecom operators. DSLAM plays a big role in the rapid development of broadband access network. DSLAM (Digital Subscriber Line Access Multiplexer), the full name of the digital subscriber line access multiplexer, as the access layer