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Home Electronics Adapters & Cables StarTech.com USB to Serial Adapter - Null Modem - FTDI USB UART - DB9 RS232 - USB 2.0 Type-A - Black (ICUSB232FTN)

StarTech.com USB to Serial Adapter - Null Modem - FTDI USB UART - DB9 RS232 - USB 2.0 Type-A - Black (ICUSB232FTN)

Brand:
StarTech.com

StarTech.com ICUSB232FTN is a 6 ft (1.8 m) USB-A to RS232 DB9 null modem adapter with an FTDI FT232RL chipset. It adds a null modem serial port to a USB-enabled laptop or desktop and is designed to resolve DTE/DCE connection requirements without an additional crossover cable. It supports data rates up to 921.6 Kbps and is suitable for professional IT, industrial, automation, legacy-device and serial communication applications.

OVERVIEW

  • Easily connect legacy RS-232 serial devices to modern USB-enabled computers with the StarTech.com USB to Serial Adapter. Featuring a Null Modem configuration and an FTDI USB UART chip, this adapter ensures reliable data transfer and broad OS compatibility. Its compact, plug-and-play design makes it ideal for connecting industrial equipment, networking hardware, or serial peripherals without hassle. Perfect for PCs, laptops, and embedded systems, this adapter delivers seamless serial communication in a durable, portable form factor.

USE CASES

  • Industrial equipment connectivity: Connect USB-equipped computers to compatible RS232 industrial equipment and controllers.
  • Legacy equipment integration: Add RS232 connectivity to modern desktops or laptops that do not have a native serial port.
  • IT and technical support: Establish serial communication with compatible equipment requiring a DB9 RS232 connection.
  • Serial device configuration: Support communication with compatible professional and legacy serial devices.
  • DTE/DCE communication: Use the integrated null modem configuration where direct DTE/DCE communication is required.
  • System maintenance: Provide USB-based serial connectivity for technicians working with compatible RS232 equipment.

KEY FEATURES

  • USB-A to RS232 DB9 serial connectivity
  • Integrated FTDI FT232RL chipset
  • Null modem / DCE configuration
  • 1-port USB-to-serial adapter
  • 6 ft (1.8 m) cable length
  • Maximum baud rate of 921.6 Kbps
  • COM-port retention for consistent serial-port assignments
  • USB-powered operation
  • 256-byte FIFO
  • Supports 7 or 8 data bits
  • Supports 1 or 2 stop bits
  • None, Odd, Even, Mark and Space parity modes

TECHNICAL SPECIFICATIONS

  • Brand: StarTech.com
  • SKU / Product ID: ICUSB232FTN
  • Product Type: USB to RS232 Null Modem Serial Adapter
  • Interface: Serial
  • Serial Protocol: RS-232
  • USB Bus: USB 2.0
  • USB Connector: USB 2.0 Type-A
  • Serial Connector: 1 × DB-9, 9-pin D-Sub
  • Chipset: FTDI FT232RL
  • Cable Length: 1.8 m / 5.9 ft
  • Maximum Baud Rate: 921.6 Kbps
  • FIFO: 256 Bytes
  • Data Bits: 7 or 8
  • Stop Bits: 1 or 2
  • Parity: None, Odd, Even, Mark, Space
  • Power: USB-powered
  • Color: Black

WHY CHOOSE THE MODEL?

  • Purpose-built null modem connectivity: Unlike a generic USB-to-serial converter, the ICUSB232FTN is designed for RS232 null modem communication, helping address DTE/DCE connection requirements without an additional crossover cable.

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