30Voice over E1(1+1)for redundancy PCM MUX

Short Description:

This device provide 2E1 access ( 1+1 for back up), 30 POTS telephone output.

  • FOB Price: US $1 - 600 / Piece
  • Min.Order Quantity: 1 Piece/1 Pair
  • Supply Ability: 2000 Piece/Pieces per Month
  • Port: Shanghai
  • Payment Terms: L/C,D/A,D/P,T/T
  • Product Detail

    Product Tags


    The device is to provide two E1 access 1 +1 backup protection ,30 phone output .part of the device is whole digital circuit .the device is reliable , low power consumption, high integration, small size, Easy to install and maintain. Many telecom operators customers rent E1 line , then they can use the device to open 30 telephone by the Rented E1 line, so that the headquarters and the branch can communicate by phone freely.


    30voice over E1(1+1 back up)2

    30voice over E1(1+1 back up)


    ◆ based on independent intellectual property rights of integrated circuits;

    ◆ E1 interface in line with G.703 recommendations the use of all-digital clock recovery and smooth phase-locked technology;

    ◆ Provide two 1 + 1 backup E1 interface the main backup function the main E1 disconnect spare E1 work to ensure that the business is not interrupted;

    ◆ Voice port to support FXO / FXS / two four-line EM / two-wire audio / magnet phone interface FXO port and program-controlled switches docking FXS port and the user’s telephone connected;

    ◆ 1-30 voice access support caller ID / reverse polarity billing / fax function;

    ◆ Telephone interface to support the two sides of the site of the number of features;

    ◆ Support CONSOLE management for option.

    ◆ Can detect E1 signal is lost when the end of the device shutdown or E1 unreasonable;

    ◆ Two clock modes are available: E1 master clock E1 line clock;

    ◆ (EA) Ethernet interface to remote loopback (DIG) and command the remote interface to the local loopback (REM) of the Ethernet interface.

    ◆ Pseudo random code test function (PATT) easy to open the line that can be used as an E1 error meter to use;

    ◆ A variety of power supply options: AC220V DC-48V / DC24V etc .; support AC + DC; AC + AC; DC + DC and other dual power backup mode;

    ◆ Telephone interface with lightning protection lightning protection to GB / T17626.5 (IEC61000-4-5) short-circuit current wave 10/700μs open peak output voltage 6KV standard;



    ◆   E1 Interface

        Interface Standard:      comply with protocol G.703;
        Interface Rate:             n*64Kbps±50ppm;
        Interface Code:            HDB3;

        E1 Impedance:             75Ω (unbalance) 120Ω (balance);

        Jitter tolerance:            In accord with protocol G.742 and G.823

        Allowed Attenuation:   0~6dBm

    ◆   FXS Phone Interface

        Ring voltage: 75V

        Ring frequency: 25HZ

        Two-line Impedance: 600 Ohm (pick up)

        Return loss: 40 dB

    ◆   FXO Switch Interface

        Ring detect voltage: 35V

        Ring detection frequency: 17HZ-60HZ

        Two-line Impedance: 600 Ohm (pick up)

        Return loss: 40 dB

    ◆    EM 2/4 Line

        AD: 0dB

        DA: -3.5dB

        Two/Four-line Impedance: 600 Ohm

        Return loss: 20 dB

    ◆    Power

        Power supply: AC180V ~ 260V;DC –48V;DC +24V

        Power consumption: ≤10W

    ◆    Dimension          

        Product Size:   19inch       485X200X45mm(WXDXH)

        Simple packaging:  9inch    522X198X82mm(WXDXH)

        Piece Weight :    2.4KG

    ◆   Working environment

        Working temperature: -10°C ~ 50°C

        Working Humidity:        5%~95 % (no condensation)

        Storage temperature:   -40°C ~ 80°C

        Storage Humidity:         5%~95 % (no condensation)



    Download datasheet:

    30Voice over E1(1+1)for redundancy PCM MUX


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