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    RS485/422/232 Extenders
     RS485 over Fiber optic Extender
    RS485 over Fiber optic Extender
    PMD-RS485-SC
    Description:
    1.Max Transmission Distance: 12.4miles (20Km).40km/60km/80km/100km is optional.
    2.Optical connector: SC (FC/ST is optional)
    3.Data type:RS-485 signal.
    4.Suitable for Access control system, Alarming control system and more.
    5.Power supply :AC100-240V,DC5V2A.
    6.Include one transmitter and one receiver, and two external power adapters.
    Feature:

    1. Extend your RS-485 data: 1 bidirectional RS-485 over an optical fiber cable to far end, Long transmission distance, Singlemode fiber 0-20 km(12.4miles) and compatible with Multimode fiber 0-500m(0.31miles).

    2. Suitable for Access control system, Alarming control system, Industrial automatic control, LED screen control and Parking lot, etc.

    3. Zero-latency automatic forwarding, Automatically detect serial port rate, distinguish and control data transmission direction.Maximum communication rate 500Kbps. The interface provides 600W surge protection, 15KV electrostatic protection.

    4. SC connector for fiber optical port, Green connector for RS-485 port(pin 1+, 2-). LEDs for power supply and optical fiber link, data status indication can monitor the operating status of the system.

    5. Simple to Install, Plug and Play.






    Overview:
    the unit is a RS-485 interface fiber MODEM with asynchronous transmission half-duplex transparent protocol, which is the best for connecting remote terminal unit (RTU) to host (HOST) or distributed data acquisition system (SCADA) controller select. The product uses optical fiber as the transmission medium to improve the transmission performance of the system and effectively avoid the threats to communication equipment such as lightning strikes, surges and electromagnetic interference in harsh environments.


     

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