References External links ITU-T Recommendation G. NUMBER@1 : Very high speed digital subscriber line transceivers LOCATION@1 Broadband Usergroup ThinkBroadband The UNH-IOL DSL Knowledgebase -LRB- advanced tutorials -RRB- ORGANIZATION@1 and company news VDSL2 chip vendor ORGANIZATION@2 .

References Other sites ITU-T Recommendation G. NUMBER@1 : Very high speed digital subscriber line transceivers LOCATION@1 Broadband Usergroup ThinkBroadband The UNH-IOL DSL Knowledgebase -LRB- advanced tutorials -RRB- ORGANIZATION@1 and company news VDSL2 chip vendor ORGANIZATION@2 .
