4Channel Voice FXS/FXO Over E1 Multiplexer

2 Features

•  realizes long-distance monitoring of local device to the remote device based on self-copyright IC;
•  provides 1 channels Ethernet connectors；
• 10M/100M,full half duplex self adapt, support VLAN；
• The Ethernet interface supports AUTO-MDIX( cross over and straight through self adapt)；
• provides two clock types: E1 master clock, E1 line clock;
• provides 3 kinds of loop-return function, namely E1 self-looping at local end, Ethernet self-looping at local end, ordered to self-loop at remote end;
•  realize the automatically rate set of local device to remote device；
•  has the function of pseudo-random code testing, convenient for opening of the circuit,and can be used as an error code instrument;
•  Ethernet supports rate of N*64k (N=1-32), which can be regulated from 64K to 1098K;
• supports 75Ω unbalanced and 120Ω balanced impedance at the same time;
• Provide Ethernet auto reset function, run more stably；
• various Ethernet data indicate functions, which indicate data transmission status timely;
• Provides 1-4 voice channels, support calling indication;
• Voice connector FXO (FXS), FXO connect to PBX and FXS connect to phone;
• support 4 wire E&M.