● 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;
● Support FXO/FXS, EM2/4 audio, Magnet Telephone Interface, FXO port docking with program-controlled switchboard, FXS port connected to the user’s telephone
● Providing four expansion interfaces, which can be extended from 1 to 4 asynchronous data, such as RS232/485/422/Manchester codes; Or 1 to 8*channel dry contact interface ;
● Ethernet interface 10M/100M, full/half duplex fully adaptive, support VLAN division;
● Each Ethernet ports support Auto-MDIX (cross / straight cable adaptation);
● 16 line 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;
● Multiple power mode options: AC220V, DC-48V / DC24V, etc;
● Telephone interface with lightning protection, lightning reached IEC61000-4-5,Short circuit current wave 8/20μs,open-peak output voltage 6KV standards