E1-16PCM Multiplexer

E1-16 * telephone,Desktop Tpye or 19”inch 1U, Support 4U rackmount, SNMP

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This device is 1U, there 6U 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.


Ø Based on proprietary integrated circuits;

Ø Alarm status can be monitored on the end;

Ø E1 interface complies with G.703, all-digital clock recovery and smooth phase-locked technology;

Ø 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;

Ø 16 Road voice access, support caller ID function and reverse polarity billing functions;

Ø Support Telephone Number mutual function of each site;

Ø E1 signal can be detected as a barrier to the end device is lost or shut E1;

Ø Multiple power mode options: AC220V, DC-48V / DC24V, etc;

u  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

u  FXS Phone Interface

    Ring voltage: 75V

    Ring frequency: 25HZ

    Two-line Impedance: 600 Ohm (pick up)

    Return loss: 40 dB

u  FXO Switch Interface

    Ring detect voltage: 35V

    Ring detection frequency: 17HZ-60HZ

    Two-line Impedance: 600 Ohm (pick up)

    Return loss: 40 dB

u  EM 2/4 Line

    AD: 0dB

    DA: -3.5dB

    Two/Four-line Impedance: 600 Ohm

    Return loss: 20 dB

u   Power

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

    Power consumption: ≤10W

u   Dimension          

    Product Size:    Mini Type    216X140X31mm(WXDXH)

                             19inch       485X200X45mm(WXDXH)

    Simple packaging:  mini   274X193X84mm(WXDXH)

                            19inch    522X198X82mm(WXDXH)

    Piece Weight :    mini 1KG / 19inch  2.4KG

 u  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)