● Based on proprietary integrated circuits;
● alarm status can be monitored on the end;
● E1 interface complies with G.703, all-digital clock recovery, and smooth phase-locked technology;
● Voice port supports FXO and FXS port, EM2/4 wire interface, Magnet phone, FXO port docking with program-controlled switchboard, FXS port connected to the user’s telephone
● 1-16*voice access, support caller ID function and reverse polarity billing functions;
● Support Telephone Number mutual function of each site;
● E1 signal can be detected as a barrier to the end device is lost or shut E1;
● provide two kinds of clock ways: E1 master clock, E1 line clock;
● provides three kinds of loopback: E1 local loopback (ANA), the Ethernet interface to the remote loopback (DIG), command peer Ethernet interface to the local loop (REM);
● There are pseudo-random code test functions (PATT), to facilitate the opening line, which can be when one of E1 BERT to use;
● E1 can support N * 64k (N = 1-32) rate, that rate is adjustable from 64K-2048K;
● Telephone interface with lightning protection, lightning reached IEC61000-4-5Short circuit current wave 8 / 20μs, open-peak output voltage 6KV standards.
● multiple power mode options: AC220V, DC-48V / DC24V, etc;