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Connector Type
RS485 Connectors
USB Connectors
Serial - RS-485
LED Feedback
# of Ports
2 Ports
Ease of Installation
Beginner (Installs < 10 minutes)
GWC Technology
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Connect Multiple RS-422/485 Serial Devices to Your Desktop or Laptop Computer via a Single USB Port
GWC Technology FA1320 USB to Serial RS-422/485 Converter, 2 Port
GWC Technology FA1320 USB to Serial RS-422/485 Converter, 2 Port
GWC Technology FA1320 USB to Serial RS-422/485 Converter, 2 Port
Item# 97413
Price: Normally $169.99 
Hot Deal $137.97
Free shipping on orders over $175 - See Details


  • Connect two Serial devices via a single USB port
  • Compliant with the USB 2.0
  • No extra I/O and IRQ need
  • USB bus-power, No extra power adapter required

Essential Info

The GWC Technology USB to 2 Port RS-422/485 is a converter that transform the USB port on your desktop or laptop computer into two asynchronous RS-422 or RS-485 serial ports. This unit supports RS422/485 Auto Detect & Switch technology so when there is defined activity on the connected serial device, the convert automatically switches to the active serial port.

Compatible with high speed USB specification 2.0, this device can transfer speeds up to 480Mbps. The FA1320 does not require any IRQ, DMA or I/O addressing resources. It features built-in 4k bytes FIFO buffers, 15KV DC ESD serial interface protection, and is powered by USB bus for low power consumption, no external power adapter is needed.

  • Compliant with the USB 2.0 version specification
  • Hi-Speed USB data transmission rate up to 480 MBps
  • No extra I/O and IRQ need
  • Support Serial port data transmission rate up to 230 Kbps
  • Auto direction flow control
  • Support USB plug-and-play
  • USB bus-power, No extra power adapter required
  • 15KVDC ESD immunity to serial interface
  • 3KV optical coupling isolation
  • Wall mount support

  • What's Included

    1x - USB to RS422/485 Converter
    1x - USB Cable
    1x - Driver (CD)
    1x - User Manual


    ManufacturerGWC Technology
    Manufacturer Product No.FA1320
    UPC 820004261043
    ConnectorTerminal Block - 5 Pins
    FIFOs4K Bytes
    ESD Protection15 KV ESD, 3KV Isolation
    Serial Communication Speed300bps~921.6Kbps
    InterfaceUSB 2.0
    Interface ConnectorUSB-B Female
    Power RequirementsBus Power
    Operating Temperature0°C to 55°C
    Operating Humidity5 to 95% RH
    Dimensions3.9 L x 2.3 W x 1.14 H (Inches)
    ApprovalsFCE/CE Approved
    Important notes:
    Only defective exchanges for identical item within 30 days of purchase. No other returns allowed on this item. For defective returns after 30 days, please contact the manufacturer.
    Manufacturer contact information: GWC Technology, Tel: (626) 820-0665 Ext 279


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