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E1-RS485 Converter

Type:FCC-E1D1 Message

Description:E1-RS485 Converter , Used in pairs , RS485 rate up to 512Kbps

Product Description
           This interface converter is based on FPGA, providing one E1 interface and one RS485 serial interface, 1Channel RS485 transmission via E1 interface. The product breaks through contradictions between traditional serial interface communication distance and communication rate, besides, it also can solve electromagnetic interference, ground ring interference and lightning damage. The device greatly improves reliability, security and confidentiality of data communication. It is widely used for various industrial control, process control and traffic control occasions, especially for Bank, and Power and other sectors and systems which have special requirements of electromagnetic interference environment. Serial interface communication rate is up to 921.6KBPS.
Functional Properties
Ø Based on self -copyright IC
Ø   Can automatically detect and control RS-485 data flow without handshake signals to control the flow  direction of data
Ø   Have the ability to automatically detect the baud rate of serial port signal
Ø   Automatically test the reason of the device matt is that the device is power off, or E1 line is broken. And then    indicate on the LED
Ø   Provide 2 impedances: 75 Ohm unbalance and 120 Ohm balance;
Ø   Support SNMP Network Management
Ø   Serial channel can transmit adaptable serial data asynchronously 300 Kbps-921.6Kbps baud rate
Ø   Serial data multiplexing in E1 support ITU-T R.111 jumping coding mode

Ø   Serial port interface lightning-protection reached IEC61000-4-5 (8/20μS) DM(Differential Mode): 6KV,     

       Impedance (2 Ohm), CM(Common Mode): 6KV, Impedance (2 Ohm) standard

  

Technical Parameters

u   Ethernet interface 

    Interface Standard:  comply with protocol G.703;

    Interface Rate:  2048Kbps±50ppm;

    Interface Code: HDB3;

    Impedance:   75Ω (unbalance), 120Ω (balance);

    Jitter tolerance: In accord with protocol G.742 and G.823

    Allowed Attenuation: 0~6dBm

u   Serial interface 

    Standard
    EIA/TIA-232 RS-232 (ITU-T V.28)
    Serial Interface
    RS-232: RXD, TXD, Signal Ground

u   Power

    Power supply: AC180V ~ 260V；DC –48V；DC +24V

    Power consumption: ≤3W

u   Dimension          

    Product size:        216X140X31mm(WXDXH)
    Simple packaging:  274X193X84mm(WXDXH)
    Piece weight : 1.25KG

u  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)

Application Scheme

Applications 1


Applications 2


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