Introduction

This device provides 1-8Channel E1 interface, 1Channel PCM digital business phone (optional). It is very flexible. It has alarm function. The work is reliable, stable, and low power consumption, high integration, small size.

Features

◆ 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

Parameters

◆ 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)