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E1-16PCM Multiplexer-Product Center-Benet Communication Co., Limited-
Contact Us
Add:Room 205, Hengtai Business Building, No.3, Tangkeng Road East,Guantian Community,Shiyan Town, Bao’an District, Shenzhen, Guangdong, China

Name:E1-16PCM Multiplexer

Product Description


This device is 1U there 4U rack card type which provides telephone outputs 16 Equipment electrical part for the whole digital circuits machine reliability stability low power consumption high integration small size easy installation and maintenance. Many customers are telecommunications operators E1 leased lines used in computer networking this equipment can be rented at the E1 line opened a few road phone you can make free calls between headquarters and branch offices of this.


◆   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;

◆   16 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;

◆   multiple power mode options: AC220V DC-48V / DC24V etc;


◆   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: Mini Type  216X140X31mm(WXDXH)

                          19inch       485X200X45mm(WXDXH)

    Simple packaging: Mini Type  274X193X84mm(WXDXH)

                                   19inch      522X198X82mm(WXDXH)

    Piece Weight :  Mini Type 1KG / 19inch  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)