StarTech.com Internal USB to 2 Port Serial RS232 Adapter

Name: StarTech.com 24in Internal USB Motherboard ICUSB232INT2
Brand: StarTech
SKU: 1867982
Price: 82.49 EUR
Availability: InStock

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StarTech.com 24in Internal USB Motherboard Header to 2 Port Serial RS232 Adapter with IDC Host Interface and 115.2 Kbit/s Baud Rate

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Offer for legal entity, cashless payment. Why is an item available only for a legal entity?
This is due to long delivery times and limited product warranties.

Short description

StarTech.com internal adapter featuring a 24-inch USB motherboard header to 2-port serial RS-232 connection. Designed with an IDC host interface, it delivers a baud rate of up to 115.2 Kbit/s and a 256-byte FIFO buffer. Ideal for connecting legacy serial devices to modern motherboards in professional and industrial environments. Fully compatible with various Windows, Mac, and server operating systems.

Available at price 82.49 €: 5 pcs.

Total available for order: 96 pcs.

Warranty: 2 Years

SKU: 1867982

Manufacturer: StarTech

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1.99 €

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

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From 4.99 € (Weight: 0.15 kg)

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Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay

Available for private customers at price 89.49 €: 43 pcs.

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Product information

Description

The StarTech.com 24in Internal USB Motherboard Header to 2 Port Serial RS232 Adapter with IDC Host Interface and 115.2 Kbit/s Baud Rate is an efficient internal connectivity solution designed to bridge the gap between modern computer hardware and traditional serial equipment. By utilizing an available internal USB motherboard header, this adapter cleanly integrates two RS232 serial ports directly inside the computer case, eliminating external cable clutter and providing a reliable link for legacy peripherals.

Advantages

This internal USB to serial adapter offers a streamlined installation inside the PC chassis, maintaining a tidy workspace while keeping ports securely connected. It features bus-powered operation, meaning no external power adapters or wall outlets are necessary for continuous functionality. The inclusion of a 256-byte FIFO buffer ensures efficient data flow and prevents data bottlenecks during heavy transfers. Furthermore, robust operating system compatibility across Windows, Mac, and server environments allows for seamless integration into diverse professional setups.

Suitable for

Connecting legacy serial devices to modern motherboards
Industrial automation and control systems
Point of sale equipment and receipt printers
Scientific and medical laboratory instruments
Server management and network administration tasks

When it may not be suitable

This adapter is not designed for external desktop placement, as it mounts exclusively inside the computer case via a motherboard header. It is also unsuitable for applications requiring communication protocols other than standard RS232.

Key specifications

Host interface: IDC
Output interface: Serial
Serial interface type: RS-232
Cable length: 24 inches
Maximum baud rate: 115.2 Kbit/s
FIFO buffer: 256 bytes
Form factor: Internal installation

How to use

To use the adapter, power down the computer and open the system case. Locate an available internal USB motherboard header and carefully plug the IDC host interface connector into it. Secure the serial port end of the adapter to an available expansion slot bracket or mounting location inside or on the back of the case as supported by your chassis design. Close the computer case, power the system back on, and install the appropriate drivers if required by your operating system to begin utilizing the dual RS232 serial ports.

What to consider before purchase

Verify that your motherboard has an available internal USB header
Check that your peripheral devices use standard RS232 serial connections
Confirm physical space inside your computer case for internal routing
Review operating system compatibility with your current workstation setup

Ensure the computer is completely powered off and unplugged from the electrical outlet before opening the chassis and connecting the internal header.

Specifications

Internal: The product is built in.: Yes
Host interface: Interface that enables a host controller to communicate with a driver.: IDC
Output interface: The socket (port) where the output connectors are connected.: Serial

All features

Weight & dimensions

Package weight: Weight of the packaged product.: 153 g
Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.: 0.063 kg
Height: The measurement of the product from head to foot or from base to top.: 19 mm
Depth: The distance from the front to the back of something.: 68 mm
Width: The measurement or extent of something from side to side.: 120 mm

Operational conditions

Operating relative humidity (H-H):: 5 - 85
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.: -20 - 100
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.: -10 - 80

System requirements

Server operating systems supported:: Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2003
Linux operating systems supported: 8 RT. Linux (9.4, 9.5), Red Hat Enterprise Linux 5.0 (supported with a pre-built package); SUSE Linux (10.3, 11.0, 11, 11.1, 11.2), Fedora (9, 9.0, 10, 10.0, 11.0, 11, 12, 12.0), Ubuntu (8.04, 8.04.1, 8.04.2, 8.10, 9.04, 9.10, 10.04), Debian (5.0, 5.0.1, 5.0.2, 5.0.3): Y
Mac operating systems supported: Mac operating systems e.g. OS X can be used with the device.: Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks, Mac OS X 13.0 Ventura
Windows operating systems supported: Windows vesions wich can be used with the device.: Windows 8 x64, Windows 98SE, Windows 8.1 x64, Windows 8.1 Pro x64, Windows 8.1 Pro, Windows 8.1 Enterprise x64, Windows 8.1 Enterprise, Windows 8.1, Windows Vista Business, Windows 8 Pro x64, Windows 8 Pro, Windows 8 Enterprise x64, Windows 8 Enterprise, Windows 8, Windows CE, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Professional, Windows XP Home x64, Windows XP Home, Windows 7 Ultimate, Windows XP Professional x64, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 2000, Windows 2000 Professional, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate x64

Other features

Drivers included:: Yes
Manual:: Yes

Logistics data

Harmonized System (HS) code:: 84733020
Products per master (outer) case:: 75 pc(s)
Master (outer) case height:: 314 mm
Master (outer) case length:: 693 mm
Master (outer) case width:: 350 mm

Packaging data

Package height: The distance from the top to the bottom of the packaging.: 33 mm
Package depth: The distance from the front to the back of the packaging.: 174 mm
Package width: The distance from one side of the packaging to the other.: 142 mm
Mounting brackets included:: Yes

Technical details

Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.: RoHS

Features

Plug and Play: Indicates whether this product supports is "plug and play". Plug and play is hardware or software that, after being installed ("plugged in"), can immediately be used ("played with"), as opposed to hardware or software which requires configuration.: Yes
Stop bits:: 1, 2
Data bits:: 7, 8
FIFO (First In, First Out):: 256
Baud rate:: 115.2 Kbit/s

Design

Internal: The product is built in.: Yes

Ports & interfaces

Serial interface type:: RS-232
Serial ports quantity: The number of serial ports in a computer or peripheral. A serial port is a serial communication physical interface through which information transfers in or out one bit at a time. The term "serial port" usually identifies hardware more or less compliant to the RS-232 standard, intended to interface with a modem or with a similar communication device. In modern computers and peripherals, serial ports have largely been replaced by USBs and other interfaces.: 2
Host interface: Interface that enables a host controller to communicate with a driver.: IDC
Output interface: The socket (port) where the output connectors are connected.: Serial

Performance

Certification:: Microsoft WHQL, CE, FCC

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Instructions

mmo_8666843_1489567030_055_5903.pdf

startech-ICUSB232INT2-1867982.pdf

mmo_8666843_1781722074_9917_4109918.pdf

Description

Instructions

mmo_8666843_1489567030_055_5903.pdf

startech-ICUSB232INT2-1867982.pdf

mmo_8666843_1781722074_9917_4109918.pdf

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Warehouse	Stock	Delivery to the store	Store Price
WH94	43	05.11.2026 Best delivery	89.49 €
WH357	5	05.11.2026 Best delivery	147.99 €

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
EU9	5	05.11.2026 Best delivery	82.49 € Best price
WH109	43	20.11.2026	98.99 €

89.49 €

Stock: 43

Delivery Date: 05.11.2026 Best delivery

Warehouse: WH94

147.99 €

Stock: 5

Delivery Date: 05.11.2026 Best delivery

Warehouse: WH357

Available only for legal entities

82.49 €

Stock: 5

Delivery Date: 05.11.2026 Best delivery

Warehouse: EU9

98.99 €

Stock: 43

Delivery Date: 20.11.2026

Warehouse: WH109

Customer reviews

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Customer questions

FAQ

How much does the StarTech.com Internal USB to 2 Port Serial RS232 Adapter cost, and is it available for purchase?

The price is 82.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 96 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 05.11.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All StarTech products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized StarTech service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: internal, host interface, output interface, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for StarTech.com Internal USB to 2 Port Serial RS232 Adapter?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

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StarTech.com 24in Internal USB Motherboard Header to 2 Port Serial RS232 Adapter with IDC Host Interface and 115.2 Kbit/s Baud Rate

Short description

Product information

Description

Advantages

Suitable for

When it may not be suitable

Key specifications

How to use

What to consider before purchase

Specifications

Weight & dimensions

Operational conditions

System requirements

Other features

Logistics data

Packaging data

Technical details

Features

Design

Ports & interfaces

Performance

Instructions

Description

Instructions

Similar products

Product comparison

Customer reviews

Customer questions

How much does the StarTech.com Internal USB to 2 Port Serial RS232 Adapter cost, and is it available for purchase?

If I order this product today, when will I receive my order?

What payment options are available?

Can this product be purchased for a company (with VAT)?

What is the warranty period?

Can the product be returned after purchase?

Where should I contact for warranty service?

How can I tell if this product suits my needs?

Where can I download the instructions for StarTech.com Internal USB to 2 Port Serial RS232 Adapter?