Product features

· Adopt large-scale integrated chip, simple, stable and reliable circuit;

· One optical interface card can be provided as the transmission channel;

· The cable speed of 100M Ethernet and one 2M channel can be independently added during optical port transmission;

· Can provide one standard E1 port, impedance of 75 ω /120 ω adaptive;

· Supports a maximum of 16 slot channels;

· Provide RS232 interface;

· Provide audio (two/four line optional E&M);

· Provide voice interface (FXO/FXS support caller id);

· Provide hotlines;

· Provide magnetic telephone interface;

· Provide synchronous V.24 interface;

· Provide Ethernet interface;

· Provide V35 interface;

· Complete alarm and status indication functions;

· Adapt to a variety of power supply environment (DC-48V, AC220V and AC&DC dual power).