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Unframed E1 Fiber Modem

Type:FCP-E Message

Description:Unframed E1 Fiber Modem ，Provide 1* 2048K E1 transmission in optical fibers

Product 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.

Functional Properties
Ø Based on self -copyright  IC 
Ø Can detect the reason of optical signal losing is that the device power-off or transmission fiber broken, and indicate on LED
Ø Provide 2 impedances: 75 Ohm unbalance and 120 Ohm balance;
Ø After strict testing and practical verification system, completely comply with protocol ITU-T V.35, G.703, G.704

Ø 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) 

Ø Have pseudo random code test function, easily line opened, can be used as a 2M BER Tester
Ø AC 220V, DC-48V, DC+24V, DC Power and Polarity-Free

Technical Parameters

u  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

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   Power

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

    Power consumption: ≤5W

u   Dimension          

    Product Size:          216X140X31mm(WXDXH)

    Simple packaging:    274X193X84mm(WXDXH)

    Piece Weight :        1.2KG

 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)


Application Scheme

Applications 


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