... bit numbers on each DMT sub-channel by diagram and digital model Display user s connection state and testing progress at ... user can surf on the Internet.For ADSL lineDigital multi-meter (DMM) test Test AC/DC voltage, loop resistance, insulation resistance ... speed: 1.2Mb/s, Maximum transmission distance 6.5KmDigital multi-meter: DC voltage: -400V~+400V, accuracy: ±5%± 2V AC voltage: 0 ...