l Can detect the reason of optical signal losing is that the device
power-off or transmission fiber broken
l Provide 2 impedances: 75 Ohm unbalance and 120 Ohm balance;
l After strict testing and practical verification system, completely
comply with protocol ITU-T V.35, G.703, G.704
l The hardware realizes any one of 31 time slot any time slot
optional (valid when framed)
l Have three Loop Back Mode: E1 interface Loop Back (ANA), V.35 interface Loop Back(DIG), command the remote V.35 interface Loop Back(REM)
l Have pseudo random code test function, easily line opened, can be
used as a 2M BER Tester
l AC 220V, DC-48V, DC+24V, DC Power and Polarity-Free
