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Item#: N82E16812400033CVF

StarTech Model ICUSB2321FIS 8 ft. 1-Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation M-M

Ships from Canada.

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  • Add an RS232 serial port with circuit isolation to your laptop or desktop computer through USB
  • 1 Port FTDI USB to Serial RS232 Adapter Cable with Isolation
  • USB to RS232 Serial Adapter Cable
  • USB to Serial Cable
  • USB to Serial RS232 Cable
  • USB to DB9
  • USB to Serial Adapter with Optical Isolation
  • FTDI Adapter
  • FTDI USB UART Serial Adapter
  • Circuit isolation provides protection for sensitive and expensive industrial equipment
  • Portable USB-Powered design requires no bulky power adapter

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the STARTECH ICUSB2321FIS




8 ft.
Connector Number
Connector Detail
Connector Type(s): 1 - DB-9 (9 pin) Male
Connector Type(s): 1 - USB A (4 pin) Male
Terminal Gender
Enclosure Type: Plastic

Isolation: 2500 Vrms

Microsoft WHQL Certified: Yes

Serial Protocol: RS-232

Surge Protection: 500W Bi-directional circuits

Max Baud Rate: 921.6 Kbps

Data Bits: 7, 8

Stop Bits: 1, 2

Parity: None, Odd, Even, Mark, Space

Power Adapter Included: USB Powered

Chipset ID: FTDI - FT232RL

OS Compatibility:
Windows 7 (32/64bit)/ Vista(32/64)/ XP(32/64)/ 2000/ CE(4.2+)
Windows Server 2008 R2/ 2003(32/64)
Mac OS 9.x, 10.x


USB to Straight-Through RS232 Serial Adapter

Integrated 2500Vrms Optical Isolation Circuits

500W Bi-Directional Surge Protection Circuits

Integrated FTDI USB UART Chip

COM Port assignments maintained across reboot

Compatible with Windows, Mac OS and Linux

Baud Rate up to 921.6 Kbps

Powered by the USB port - no external power adapter required

Designed to make serial port expansion quick and easy.
Warranty, Returns, And Additional Information
  • Return Policies
    • Return for refund within: 45 days
    • Return for replacement within: 1 year
  • This item is covered by's 45/1 Return Policy.
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