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FastFOM Telecom Equipments Co.,  Ltd
FastFOM Telecom Equipments Co., Ltd
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    4E1 PDH Multiplexer Fiber Optical Multiplexer fiber to 4 E1: PDH-4

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    4E1 PDH Multiplexer Fiber Optical Multiplexer fiber to 4 E1: PDH-4
    cenny.xu[ at] hotmail.com

    Description

    4E1 PDH Fiber Optical Multiplexer

    Introduce

    PDH-4 Compact Optical multiplexer is a low cost and high performance optical line transmission equipment, which combines four ITU-T G.703 compliant standard electrical E1, 2.048Mbps signals into an optical data stream for transport over fiber optic cables. Several transmitter options for different cable types and wave-lengths are available. This optical line equipment is developed for transmission in access networks, corporate networks, dedicated networks for railway and power companies etc.

    Features

    Advanced and compact design that performs E1 multiplexing & de-multiplexing and provides a 16.896Mbit/ s optical interface in a single unit.
    Built-in AC/ DC or DC/ DC converter and supervisory microprocessor
    Digital clock data recovery for E1 signal
    Provides visible and audible alarm indication
    Low power consumption
    Order wire channel for end to end installation and maintenance
    Auxilary data channel in optical line code
    Centralized network management with the Topone NMS
    Flexible installation in various mechanical constructions.

    Technical Specification

    Electrical ( E1 interface)
    Channel capacity: 4 channels
    Bit rate: 2.048Mbps+ / -50ppm
    Line code: HDB3
    Nominal impedance: 75ohm unbalanced / 120ohm balanced
    Jitter character: ITU-T G.742, G.823 compliant

    Optical

    Bit rate: 16.896 Mbit/ s
    Line code: 1B1H
    Optical source: LD
    Transmitter power: > = -9dBm
    Receiver Type: PINFET
    Receiver sensitivity:


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