USB to RS485/422 Interface Converter

USB to RS485/422 Interface Converter

Short Description:

Can be applied to POS, access control, automatic teller machines, embedded industrial automation systems, financial payment ATM systems, transportation systems, factory automation and process control, medical systems, remote access servers, and so on.
  • Payment Terms: Paypal,western union,L/C,D/A,D/P,T/T

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    BD-USB-485/422 interface converter with magnetic FTDI chip 1.8MPerformance Parameters

    1. Meet USB1.0,1.1,2.0 standards;

    2. comply with EIA RS422, EIA RS485 standard

    3.USB signal: VCC, DATA-, DATA +, GND.FG

    4.RS-422 signal: T / R +, T / R-, RXT +, RXD-, GND; RS-485 signal: T / R +, T / R-.GND

    5.RS-422 Work: Full-duplex bi-directional point-to-many communication

    6.RS-485 Work: point half-duplex two-way communication for many

    7. Maximum transmission distance: USB port does not more than five meters, RS-422/485 terminal 1200 m (9600bps time)

    8. Transmission media: twisted pair or shielded cable

    9. Load capacity: RS-422, up to 10, including the main equipment; RS-485, up to 32

    10. Baud rate: 300 baud to 921600baud automatically detect the serial transfusion rate;

    11. Flow control: none, hardware and xon / xoff

    12. Interface protection: Surge protection, ± 15KV electrostatic protection

    13. The signal indicator: Send (TXD), receive (RXD), power (POWER)

    14.USB cable with magnetic shielding, can be anti-interference;

    15. Working environment: -40 to 85⁰C

    Connector and Signal

    DB9 male, RS-422 / RS485 output signals and terminals pin definitions


    1. The four-wire full-duplex point to point

    2. multipoint four-wire full-duplex

    3. The two-point half-duplex

    4. Double-multipoint half-duplex

    Converter as full or half duplex connection, in order to prevent reflections and interference signals, you need to pick a matching line of terminal resistor (parameters: 120 ohm 1 / 4W)

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    Product Model Descriptions Inquiry
    BD-USB-485/422 1x USB / RS-232 interface converter and a 485 wiring board, 1x driver CD ,1x manual,1x Adapter Request Price
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