1 Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation
StarTech ID: ICUSB2321FIS
The ICUSB2321FIS 1-Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation converts an
available USB 1.1 or 2.0 port into an RS232 DB9 port that can be used to connect, monitor and control your
serial devices.
The USB to serial adapter features integrated optical isolation circuits and surge protection to protect your
critical, sensitive control equipment against electrical damage, making it a viable solution for costly industrial
serial devices.
The versatile FTDI chipset also supports COM retention, additional customization/features, and compatibility not
offered by most other solutions. Broad operating system compatibility including Windows®, Windows CE, Mac
OS and Linux, makes this product easy to integrate into mixed environments.
Backed by a StarTech.com 2-year warranty and free lifetime technical support.
Applications
Perfect for IT Administrators looking to add legacy functionality to newer laptops, desktop computers and
servers that lack an integrated RS232 port
Connect, monitor and control industrial/automotive sensors and other sensitive equipment
Connect bar code scanners, receipt printers and other point-of-sale devices
Connect and program LED and Digital signage boards with serial communication ports
Connect a satellite receiver, serial modem, or PDU
www.startech.com
1 800 265 1844
Features
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
6-foot cable length for connecting to devices without having to be too close
www.startech.com
1 800 265 1844
Technical Specifications
Warranty 2 Years
Cable Length 8 ft [2.4 m]
Color Black
Enclosure Type Plastic
Product Height 0.8 in [20 mm]
Product Length 8 ft [2.4 m]
Product Weight 3 oz [86 g]
Product Width 1.6 in [40 mm]
Bus Type USB 2.0
Chipset ID FTDI - FT232RL
Interface Serial
Port Style Cable Adapter
Ports 1
Data Bits 7, 8
FIFO 256 Bytes
Isolation 2500 Vrms
Max Baud Rate 921.6 Kbps
Parity None, Odd, Even, Mark, Space
Serial Protocol RS-232
Stop Bits 1, 2
Supported Protocols RS 232
Surge Protection 500W Bi-directional circuits
Connector Type(s) 1 - DB-9 (9 pin; D-Sub) Male
Connector Type(s) 1 - USB A (4 pin) Male
Microsoft WHQL
Certified
Yes
OS Compatibility Windows® 10 (32/64), 8 / 8.1 (32/64), 7 (32/64), Vista (32/64), XP (32/64), 2000,
98SE, XP Embedded, CE (4.2+)
Windows Server® 2012, 2008 R2, 2003
Mac OS® 10.x (tested up to 10.10)
Linux 2.4.x / 2.6.x
System and Cable
Requirements
One available USB 1.1 (or better) port
Power Source USB-Powered
www.startech.com
1 800 265 1844
Humidity 5~95% RH
Operating Temperature 0°C to 55°C (32°F to 131°F)
Storage Temperature -20°C to 85°C (-4°F to 185°F)
Shipping (Package)
Weight
0.4 lb [0.2 kg]
Included in Package 1 - USB to RS-232 Serial Adapter
Included in Package 1 - Driver CD
Included in Package 1 - Instruction Manual
Certifications, Reports and Compatibility
www.startech.com
1 800 265 1844
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