Unframed E1 Fiber Modem

Short Description:

This device provides one E1 interface and one optical interface to achieve interface conversion, rate conversion and timeslot extraction from E1 to Optical. When unframed mode, the data channel rate is 2.048Mbps. The device has inter-set loop test function to facilitate the project launching and daily maintenance.


  • 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

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    • Based on self -copyright  IC 
    • Can detect the reason of optical signal losing is that the device power-off or transmission fiber broken, and indicate on LED
    • 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
      AC 220V, DC-48V, DC+24V, DC Power and Polarity-Free

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    Fiber

     Multi-mode Fiber

    50/125um, 62.5/125um,

    Maximum transmission distance: 5Km @ 62.5 / 125um single mode fiber, attenuation (3dbm/km)

    Wave Length: 820nm

    Transmitting power: -12dBm (Min) ~-9dBm (Max)

    Receiver sensitivity: -28dBm (Min)

    Link budget: 16dBm

    Single-mode Fiber

    8/125um, 9/125um

    Maximum transmission distance: 40Km

    Transmission distance: 40Km @ 9 / 125um single mode fiber,attenuation (0.35dbm/km)

    Wave Length: 1310nm

    Transmitting power: -9dBm (Min) ~-8dBm (Max)

    Receiver sensitivity: -27dBm (Min)

    Link budget: 18dBm

    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

    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)

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    Functional Description Unframed E1 Fiber Modem ,Provide 1* 2048K E1 transmission in optical fibers
    Port Description One Fiber interface;1* FE Interface
    Power Power supply: AC180V ~ 260V;DC –48V;DC +24VPower consumption: ≤5W
    Dimension Product Size: 216X140X31mm (WXDXH)
    Weight 1.2KG

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