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4-Port USB to RS232 Serial Adapter, FTDI Chip, Plug-and-Play, ESD Protection, 5f
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4-Port USB to RS232 Serial Adapter, FTDI Chip, Plug-and-Play, ESD Protection, 5f
Price: US $80.74
4 RS232 Ports from One USB

Effortlessly connect up to four DB9 serial devices to a single USB port. Perfect for a variety of applications including:

  • POS systems
  • PLCs
  • CNC machines
  • Lab equipment
  • Barcode scanners
  • Digital signage
  • Other RS232 devices
Plug-and-Play with No Configuration

Experience a simple and reliable setup with:

  • Automatic transmit/receive switching
  • Built-in hardware flow control
  • Seamless compatibility with Windows, macOS, and Linux using stable FTDI USB drivers
  • No external power required
High-Speed, Full-Compatibility Serial

This adapter supports data rates ranging from 300 to 921,600 bps, featuring:

  • Automatic baud rate detection
  • Full 9-wire signaling (RTS/CTS, DTR/DSR, RI) for proper handshaking and reliable connections
Built-In Status LEDs

Stay informed with real-time status monitoring through:

  • TX/RX and power LEDs
  • Integrated +/-15kV ESD and surge protection to safeguard equipment in demanding electrical environments
Shielded, Industrial-Grade Design

This RS232 to USB cable features:

  • A ferrite ring and DB9 screw-lock connectors for stable, noise-resistant connections
  • An industrial temperature rating of -40C to 85C
  • A humidity tolerance of 5–95% for use in factory floors, control cabinets, and field


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