4* voice E1 PCM multiplexer

• 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 voice port FXS ports and ports, EM2 / 4 audio interface, FXO port and PBX docking port and the user is connected to FXS telephone; 
•  1-4 road 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 function (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;

    Allowed Attenuation:   0~6dBm

    Return loss: 40 dB

    Return loss: 40 dB

    Return loss: 20 dB

    Power consumption: ≤10W