... can support Annex A / Annex B Brief IntroductionST332B tester is a multi-functional and hand-held ADSL2+ test ... call function, line voltage indication and so on.The tester adopts LCD display and menu operation which can display ... with DMM (AC V, DC V, Loop and Insulation Resistance, Capacitance)3. Supports modem emulation and simulating login ... (Excellent, Good ,Ok,Poor) ST332B Handheld ADSL2+ Tester