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E1 Fiber Modem-Product Center-Benet Communication Co., Limited-
Contact Us
Add:Room 205, Hengtai Business Building, No.3, Tangkeng Road East,Guantian Community,Shiyan Town, Bao’an District, Shenzhen, Guangdong, China
Tel:+86-755-23771310
Fax:+86-755-23771310
Email:sales@bnette.com

Name:E1 Fiber Modem

Product Description

Introduction

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.

Features

◆ 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


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: ≤5W

Dimension          

    Product Size:          216X140X31mm(WXDXH)

    Simple packaging:    274X193X84mm(WXDXH)

    Piece Weight :        1.2KG

 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)