4PCM MUX POTS over E1 calbe ,pcm multiplexer G.703 telephone extender

E1 PCM 4POTS over coaxial cable

Product Overview

This device provides one E1 interface,4Channel telephoneoutput,2Channel RS232/422/485and4Channel Ethernetoptional. The device circuit is the digital circuit. The working isreliable, stable, and low power consumption, high integration, small size, ease of installation and maintenance. Many customers are leased from telecom operators E1 line used in computer networking, can use this device in the E1 leased line opened on a few channel telephone. Then between Headquarters and the branch can callfor free.

Features

• Can monitor the remote alarm status
• E1 interface comply with G.703, adopts digital clock recovery and smooth phase-lock technology
• Voice port supportsFXO and FXS port, EM2/4 audio interface, FXO port docking with program-controlled switchboard, FXS port connected to the user's telephone;
• Provide4 expansion interface, you can extend 1~4Channel asynchronous data, such as RS232/RS485/RS422/Manchester code; 1~4Channel voice, 1~8Channel switch , or two/four line audio and so on
• Ethernet interfacesupports10M/100M, half/full duplex auto- adaptable and VLAN
• Ethernet interface can supportAUTO-MDIX(crossed line and straightly connected line self-adaptable)
• 1-4Channel voice access, supports caller ID feature and reverse polarity billing functions
• Support various sites mutual number allocation function
• HaveLED when the device is power-off or E1 line is broken or lose signal;
• Provide 2 clock types: E1 master clock and E1 line clock
• Havethree Loop Back Mode: E1 interface Loop Back (ANA),Ethernet interface Loop Back(DIG),Command the remote Ethernet interface Loop Back(REM)
• Have pseudo random code test function, easily line opened, can be used as a 2M BER Tester
• E1 interface can support N*64k(N=1-32)rate, the rate is 64K-2048K
• AC 220V, DC-48V, DC24V can be optional

Technical Parameters

Networking Application