Startech 3ft USB to RS232 DB9 Serial Adapter Cable - M/M ICUSB232SM3

Features

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Startech's MPN:

ICUSB232SM3

Add an RS232 serial port to your laptop or desktop computer through USB

Supports serial data transfer rates of up to 1 Mbps
No external power needed - draws power from the USB connection
Thin,lightweight design

The ICUSB232SM3 3ft USB to Serial Adapter Cable lets you connect DB9 RS232 serial devices to your Mac® or PC laptop or desktop computer through an available USB port, as though the computer offered an onboard DB9M connector.

Unlike typical USB to serial converter cables where the conversion takes place at the DB9 end, the StarTech.com ICUSB232SM3 features a converter chip on the USB end. Converting at the USB source overcomes the 15ft. technical limit of USB cables, allowing for a much greater serial DB-9 extension cable (50ft.+ is possible depending on the application) if necessary.

Simple to install and use, this USB to Serial adapter is a cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals.

Backed by a StarTech.com lifetime warranty and free lifetime technical support.

The StarTech.com Advantage

The converter chip on the USB end of the cable allows extension of the DB9 serial over much greater distances than USB extension
Drawing power from the USB bus saves the hassle of carrying an external power adapter for this add-on serial port
Extensive list of compatible operating systems makes this device perfect for almost any RS232 application

Applications

Perfect for IT Administrators looking to add legacy functionality to newer notebooks, PCs and servers that lack an integrated RS232 port
Connect, monitor and control industrial/automotive sensors and equipment
Connect bar code scanners, receipt printers and other point of sale devices
Connect a satellite receiver, serial modem, or PDA with serial sync

Warranty Information
Warranty	Lifetime
Hardware
Bus Type	USB 2.0
Chipset ID	Prolific - PL2303HXD
Industry Standards	RS232, USB 1.1/2.0
Interface	Serial
Port Style	Cable Adapters
Ports	1
Performance
FIFO	192 Bytes
Max Baud Rate	921.6 Kbps
Serial Protocol	RS-232
Connector(s)
Connector Type(s)	1 - DB-9 (9 pin, D-Sub) Male
	1 - USB Type-A (4 pin) USB 2.0 Male
Software
OS Compatibility	Windows® CE 4.2, 5.2, 98SE, ME, 2000, XP, Vista, 7, 8, 8.1, 10 Windows Server® 2003, 2008 R2, 2012, 2016 Mac OS® 10.6 to 10.12 Linux 2.4.x to 4.4.x LTS Versions only
Environmental
Humidity	0~65% RH
Operating Temperature	0°C to 60°C (32°F to 140°F)
Storage Temperature	-20°C to 80°C (-4°F to 176°F)
Physical Characteristics
Cable Length	3 ft [0.9 m]
Enclosure Type	Plastic
Product Height	0.6 in [15 mm]
Product Length	36 in [914 mm]
Product Weight	1.9 oz [54 g]
Product Width	1.4 in [35 mm]
Packaging Information
Shipping (Package) Weight	0.2 lb [0.1 kg]
What's in the Box
Included in Package	1 - USB to Serial Converter
	2 - Cable Nuts

3FT USB TO RS232 DB9 SERIAL ADAPTER CABLE - M/M

Brand Name: StarTech.com

Cable Length: 91.49 cm

Cable Type: Serial

Connector on First End: 1 x DB-9 Male Serial

Connector on Second End: 1 x Type A Male USB

Product Type: Data Transfer Cable

Basic
Brand Name:	StarTech.com
Cable Length:	91.49 cm
Cable Type:	Serial
Connector on First End:	1 x DB-9 Male Serial
Connector on Second End:	1 x Type A Male USB
Product Type:	Data Transfer Cable

General Information
Brand Name:	StarTech.com
Manufacturer Part Number:	ICUSB232SM3
Manufacturer Website Address:	http://www.startech.com/au
Manufacturer:	StarTech.com
Product Name:	3ft USB to RS232 DB9 Serial Adapter Cable - M/M
Product Type:	Data Transfer Cable

Miscellaneous
Environmental Certification:	RoHS
Environmentally Friendly:	Yes
Package Contents:	3ft USB to RS232 DB9 Serial Adapter Cable - M/M 1 x Driver Mini-CD 2 x Cable Nut 1 x Instruction Manual

Physical Characteristics
Weight (Approximate):	42 g

Technical Information
Cable Length:	91.49 cm
Cable Type:	Serial
Conductor:	Copper
Connector on First End:	1 x 9-pin DB-9 Male RS-232 Serial
Connector on Second End:	1 x Type A Male USB 2.0 USB

Warranty
Limited Warranty:	Lifetime

Information

SKU/Item No 536994

Vendor Part No ICUSB232SM3

UPC/EAN Number 065030842440

Our Stock ** (click for more info)

Price

$53.65

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Product link	No link
Manufacturer's link	Startech
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* Indication only, please consult the supplier stock level below.
** This is the stock level in our warehouse.
** Please check Stock Information below for out of stock items.

Stock Information

	Our Qty in Stock	Availability and ETA
Our own stock	0	Usually 1-3 days (when supplier has stock)
	Supplier's Qty in Stock	Availability and ETA	Updated
Supplier one	10		11/09/25 09:10AM
Supplier two	43		11/09/25 09:11AM