Shenzhen JHA Technology Co., Ltd is one of the leading manufacturers of hardened Ethernet, PoE, and fiber connectivity products specifically designed for harsh and demanding environments.


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Framed E1-V.35 interface Converter JHA-CE1fV1

    • Based on self -copyright IC
    • Have indicator when the device is power-off or E1 line is broken or lose signal;
    • The local device can forced the remote device rate follow it(valid when framed )
    • The hardware realizes any one of 31 time slot any time slot optional (valid when framed)
    • Provide 2 impedances: 75 Ohm unbalance and 120 Ohm balance;
    • After strict testing and practical verification system, completely comply with protocol ITU-T V.35, G.703, G.704
    • Have three Loop Back Mode: E1 interface Loop Back (ANA)、V.35 interface Loop Back(DIG)、Command the remote V.35 interface Loop Back(REM)
    • Have pseudo random code test function, easily line opened, can be used as a 2M BER Tester
    • V.35 interface supports hot-plug, supports DTE or DCE device interconnection
    • Provide 3 clock types: Internal clock, External clock,E1 line clock;
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PDH/Voice Multiplexer

Interface converters

V Serial Interface Converter

  • Framed E1-V.35 interface Converter JHA-CE1fV1


    This interface converter provides one E1 interface and one V.35 interface to achieve framed E1 interface transferring to V.35 interface. The data channel rate is 2.048Mbps. The device has inter-set loop test function to facilitate the project launching and daily maintenance.

    Product Photo

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    Mini  Type


    • AC 220V, DC-48V, DC+24V, DC Power and Polarity-Free




    ♦ 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


    ♦ V.35 interface 

    Interface rate:     n*64Kbps

    Interface Standard: Compatible with V.35 Standard

    Connector: DB25

    Connect Mode: DCE

    Clock Type: G.703 restored clock, Internal clock 


    ♦ 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)



    Model Model Number:JHA-CE1fV1
    Functional Description framed E1-V.35 Converter,Can be a single use,V.35 rate N * 64K
    Port Description One E1 port, One V.35 interface
    Power Power supply: AC180V ~ 260V;DC –48V;DC +24VPower consumption: ≤10W
    Dimension Product Size: 216X140X31mm (WXDXH)
    Weight 1.8KG/piece


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