... xDSL line including ADSL, ADSL2, ADSL2+, READSL, VDSL2. It not only can test xDSL physical layer parameter ... .994.1 (G.hs) ITU G.993.2 (VDSL2) Physical Layer Tester ADSL2+ Module: Attenuation (dB): ... DSL line local output power DSL line connection mode VDSL2 Module: Be compatible with ADSL2+, ADSL standard. DSL ... (INP) Support the first 7 profiles in total 8 VDSL2 profiles: profile 8a, 8b, 8c, 8d, 12a, ...