... + instrument for analyzing line test.Compact structure.Functioning. ADSL Tester Main Features 1, Support ADSL2/2+ technology 2, Full support for ... Circular delay (maximum, minimum, average) test 12, Support ADSL2 + Modem replacement 13, Support the tests of loop resistance, insulation resistance ... ADSL2 + Modem 3, Ethernet Ping test as an IP terminal access to LAN for Ping test. 4, DMM test ADSL Tester