PRODDUCTS

Shenzhen JHA Technology Co., Ltd is one of the leading manufacturers of hardened Ethernet, PoE, and fiber connectivity products specifically designed for harsh and demanding environments.

PRODUCTS

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E1-4 Channel RS232/RS422/RS485 Converter JHA-CE1D4/R4/Q4


    • Based on self -copyright IC
    • Support 3 line RS232 (TXD,RXD,GND), support for flow control CD,DSR,CTS
    • Have three Loop Back Mode: E1 interface Loop Back (ANA)、RS232/485/422 interface Loop Back(DIG)、Command the remote RS232/485/422 interface Loop Back(REM)
    • RS232/RS485/RS422 supports hot-plug, supports DTE or DCE device interconnection
    • RS232/RS485/RS422 channel can transmit adaptable serial data asynchronously 0Kbps-57600Kbps baud rate
    • Have pseudo random code test function, easily line opened, can be used as a 2M BER Tester
    • 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
    • Provide 2 impedances: 75 Ohm unbalance and 120 Ohm balance;
    • It can form E1 serial converter (A) — E1 fiber optic Modem (B) — fiber serial Modem (C) topology
    • AC 220V, DC-48V, DC+24V, DC Power and Polarity-Free
  • Typical solution 1

    54 (3)

    Typical solution 2

    54 (4)

Classification

PDH/Voice Multiplexer

Interface converters

Serial to E1 Converter


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  • E1-4 Channel RS232/RS422/RS485 Converter JHA-CE1D4/R4/Q4

    Overview

    This interface converter is based on FPGA, providing 4Channel RS232/485/422 transmission on 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. RS232/RS485/RS422 channel can transmit adaptable serial data asynchronously 0Kbps-57600Kbps baud rate.

    Product Photo

    Mini Type

    54 (1)

    19inch 1U type

    54 (2)

    Parameters

    ♦ E1 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

     

    ♦ Serial interface 

     

    Standard

    EIA/TIA-232 RS-232 (ITU-T V.28)

    EIA/TIA-422 RS-422 (ITU-T V.11)

    EIA/TIA-485 RS-485 (ISO/IEC8284)

     

    Serial Interface

    RS-422: TXD+, TXD-, RXD+, RXD-, Signal Ground

    RS-485 4 wires: TXD+, TXD-, RXD+, RXD-, Signal Ground

    RS-485 2 wires:  Data+(Correspond TX+), Data-(Correspond TX-), Signal Ground

    RS-232: RXD, TXD, Signal Ground

     

    ♦ 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)

     

    Specifications

    Model Model Number: JHA-CE1D4/R4/Q4
    Functional Description E1-4RS232/422/485 Converter , provides three interfaces Optional , Used in pairs , Serial port rate up to 56.7Kbps
    Port Description One E1 interfaces, four data interfaces (RS232 / RS485 / RS422)
    Power Power supply: AC180V ~ 260V;DC –48V;DC +24VPower consumption: ≤10W
    Dimension Product Size:  Mini type  216X140X31mm (WXDXH),1.3KG/piece            19inch 1U type  483X138X44mm (WXDXH),2.0KG/piece

     


  • Typical solution 1

    54 (3)

    Typical solution 2

    54 (4)

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