... present all kinds of xDSL line including ADSL, ADSL2, ADSL2+, READSL, VDSL2. It not only can test ... hs) ITU G.993.2 (VDSL2) Physical Layer Tester ADSL2+ Module: Attenuation (dB): 0~63.5 Noise margin ... line error number (CRC,HEC, FEC,NCD,OCD) ADSL2 Module: Attenuation (dB): 0~63.5 Noise margin ... line connection mode VDSL2 Module: Be compatible with ADSL2+, ADSL standard. DSL line attenuation DSL line ...