# USB 2.0 to Serial Adapter Cable InLine 33306I 0.25m Black

**URL:** https://aio.lv/en/product--inline-33306i--1092525
**Data updated:** 2026-01-03 12:48 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** InLine
**Manufacturer code:** 33306I
**EAN:** 4043718121441
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.99 €
**Prices and availability valid until:** 2026-07-05 23:59
**Price without VAT (21%):** 26.44 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--inline-33306i--1092525

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The InLine USB 2.0 to Serial Adapter Cable features a USB Type-A male connector and a DB-9 male connector, allowing for easy connection of serial devices to your computer. With a length of 0.25m, this black cable is compact and convenient for various applications. It supports data transfer rates up to 115200 bps and is compatible with Windows, Mac, and Linux operating systems, making it versatile for different users.

## Long description

The InLine USB 2.0 to Serial Adapter Cable (model 33306I) provides a USB Type-A male to DB-9 male connection in a compact 0.25 m black cable. It enables connection of RS-232 serial devices to computers via a USB 2.0 port and supports typical serial data rates up to 115200 bps. The adapter is compatible with Windows, macOS and Linux, offering a simple wired solution for interfacing legacy equipment with modern PCs.
Advantages
This USB to serial adapter cable offers a short, space-saving length of 0.25 m for tidy installations, a standard USB Type-A plug for direct connection to host computers, and a DB-9 male connector for legacy RS-232 devices. It supports data transmission speeds up to 115200 bps and is compatible with major operating systems, reducing the need for additional interface hardware.
Suitable for
Connecting RS-232 serial devices (modems, industrial controllers, POS terminals) to a USB port
Use in compact workspaces where a short 0.25 m cable is preferred
System configuration, diagnostics and firmware updates for legacy equipment
Key specifications
Manufacturer: InLine
Model: 33306I
Length: 0.25 m
Connector 1: USB Type-A (male)
Connector 2: DB-9 (male)
Colour: Black
Maximum data rate: up to 115200 bps
Compatibility: Windows, macOS, Linux
EAN: 4043718121441
How to use
Plug the USB Type-A connector into an available USB port on your computer and connect the DB-9 male connector to the serial device. Install any required drivers for your operating system if prompted; many systems will recognize the adapter automatically. Configure the serial port settings (baud rate, parity, data bits, stop bits) in your terminal or application to match the connected device, then start communication or the required diagnostic/configuration software.
Usage recommendations
Use the short 0.25 m cable where minimal distance is needed to avoid cable clutter and potential signal degradation. Verify and, if necessary, install manufacturer drivers on older operating systems to ensure reliable communication. Avoid exposing the connectors to moisture and mechanical strain during operation.

## Specifications

### Features

| Feature | Value |
|---|---|
| Product colour | Black |
| Connector 1 | USB Type-A |
| Connector 2 | DB-9 |
| Connector 1 gender | Male |
| Connector 2 gender | Male |

## FAQ

### How much does the USB 2.0 to Serial Adapter InLine 33306I cost, and is it available for purchase?

The price is 31.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 944 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 29.06.2026 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: 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 InLine 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 InLine 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. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connector 1, connector 2, product colour, 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 USB 2.0 to Serial Adapter InLine 33306I?

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.

## Image

https://aio.lv/img/cache/product/1092525/57923392_large.webp