... 2. Data memory capacity: 50 records 3. Check dangerous voltage 4. Four grades service ADSL2+ Tester ( ST332B )ST332B ADSL2+ ... , FEC, HEC, NCD, LOSDisplay DSL connect modeAvailableDisplay channel bit mapAvailableADSLStandardsITU G.992.1 (G.dmt)ITU G.992.2 ... CRC, FEC, HEC, NCD, LOSDisplay DSL connect modeAvailableDisplay channel bit mapAvailableDMM TestDC Voltage0 to 400 VAC Voltage0 to 290 VCapacitance0 ...