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    Telephone over Fiber Extender
    2 Port POTS Landline Phones Extender over Fiber optic A set
    2 Port POTS Landline Phones Extender over Fiber optic A set
    PMD-2TEL-ST
    Extend POTS Telephones signal by fiber: 2 Independent POTS telephone lines over single fiber optic cable to remote end. Suitable for Both Fiber Types (Single-mode and multimode). Single-mode fiber distance up to 20 km(12.4 miles), Multimode fiber distance up to 500m(0.31 miles). Professoinal high quality.

    Custom made is acceptable. single fiber and dual fiber singlemode and multimode is optional. ST/FC/SC is optioinal.

    Default to send singlemode single fiber with ST.
    Features:

    Extend POTS Telephones signal by fiber: 2 Independent POTS telephone lines over single fiber optic cable to remote end. Suitable for Both Fiber Types (Single-mode and multimode). Single-mode fiber distance up to 20 km(12.4 miles), Multimode fiber distance up to 500m(0.31 miles).

    Uncompressed and No Delay Transmission and Protocol Support, High fidelity speech. Support Called id, Ring and Fax function

    Professional High Quality & Excellent performance, Voice quality is clear and stable. Widely used in government units, electric power, public security, military, civil aviation, maritime, mining, highway and other college networks or public networks.  

    LEDs for power supply and optical fiber link, data status indication can monitor the operating status of the system.

    Plug and play,No need to set up.






    Phone RJ11 port specifications:
     
    1. Ring current voltage: 150 VRMS
    2. Ringing voltage: typical 75V, 90Vmax,
    3. Ringing frequency: 17~60HZ
    4. Two-wire input impedance: 200R+680R//0.1uF (adjustable to 600 Ω)
    5. Return loss: 20 db
    6. Idle channel noise : 75 Db
    7. Common mode rejection ratio:CMRR 60-70
    8. User Interface (FXS): Connect to the user's telephone


    Power supply:
    1.  Suitable working voltage AC100~240V, DC5V/1A.
    2.  US/EU/UK/AU standard power supply adaptor is optional.

    Other index
    Working temperature -20°C ~70°C
    Storage temperature -40°C ~85°C
    MTBF >100,000hours
    Product size: 104*104*28mm(LxWxH)
    Weight: 0.8Kg/set

    Package include:

    1.  1x 2 port POTS telephone Transmitter
    2.  1x 2 port POTS telephone Receiver
    3.  2xExternal power adapter
    4.  User Manual

     

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