1.compact architecture, large TFT LCD, touch screen 2.E1,STM-1, STM-4, STM-16 interfaces 3. Various BER test 4.Tributary scan Model: SDH-1620A SDH/PDH Transmission AnalyzerOverview:The SDH-1620A is an advanced and handheld SDH/PDH transmissionanalyzer, which integrates on-line and off-line test of STM-1(155M) and E1 (2M)and tests of STM-4 (622M), STM-16(2.5G) into one package. Being ...