8E1 PDH optical multiplexer

•  Based on self -copyright  IC
• Modular wide dynamic optical detector
•  1Channel PCM digital business phone (optional)
•  E1 interface comply with G.703, adopts digital clock recovery and smooth phase-lock technology
•  When optical lose signal, it can detect the remote device is power off or fiber is disconnected,  and indicates  alarm by LED
•  The local device can view the remote device working condition
•  Provide command the remote interface Loop Back, ease line maintenance
•  The transmission distance is up to 2-120Km without interruption
•  AC 220V, DC-48V, DC24V can be optional
•  DC-48V/DC24V power supply polarity detection function, Polarity-Free

  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

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

    Power consumption: ≤10W

   Dimension          
    Product Size: Mini Type    216X140X31mm(WXDXH)
            Simple packaging:   274X193X84mm(WXDXH)

            Piece Weight :    1.25KG 

  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)