# USB 2.0 to 2x Serial Adapter Cable InLine 33305M

**URL:** https://aio.lv/en/product--inline-33305m--2546911
**Data updated:** 2026-01-03 12:49 (EET)
**Category:** Serial & Parallel Cables
**Manufacturer:** InLine
**Manufacturer code:** 33305M
**EAN:** 4043718283538
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 33.49 €
**Prices and availability valid until:** 2026-07-05 23:59
**Price without VAT (21%):** 27.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--inline-33305m--2546911

## 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 2x Serial Adapter Cable allows you to connect two RS232 devices via USB. It features a 1.5m cable length and two 9-pin Sub-D male connectors, providing reliable data transfer and compatibility with various devices. The black color adds a sleek look, making it a practical choice for connecting legacy serial devices to modern computers.

## Long description

The InLine USB 2.0 to 2x Serial Adapter Cable (33305M) adds two RS232 serial ports to a computer via a single USB connection. The cable is 1.5 m long and terminates in two 9-pin Sub-D male connectors, enabling connection of legacy serial devices to modern systems while maintaining reliable data transfer. Black finish.
Advantages
This adapter provides two independent RS232 ports over USB 2.0, simplifying connection of serial peripherals without opening the computer. The 1.5 m cable length offers flexible placement of devices, and the standard 9-pin Sub-D male connectors ensure broad compatibility with existing serial equipment. The product is plug-in after software installation and is compact for desktop or mobile use.
Suitable for
Connecting serial devices such as modems, industrial controllers, and POS terminals to a computer
Adding extra RS232 ports for legacy hardware on modern PCs and laptops
Use in offices, workshops, or field service where serial interfaces are required
Key specifications
Interface: USB 2.0 to 2 × RS232 (9-pin Sub-D male)
Cable length: 1.5 m
Brand: InLine
Model / MPN: 33305M
EAN: 4043718283538
Color: Black
How to use
First install the driver software provided by the manufacturer or available from the vendor website. After the software installation is complete, connect the adapter's USB plug to an available USB port on your computer and attach your RS232 devices to the two 9-pin Sub-D connectors. Verify device detection in your operating system's device manager and configure serial port settings (baud rate, parity, stop bits) in your application as required.
Usage recommendations
Install drivers before connecting the adapter to the USB port to ensure correct detection. For reliable operation, avoid excessive cable strain and keep connectors clean; if used in industrial environments, verify grounding and shielding to reduce interference.

## Specifications

| Feature | Value |
|---|---|
| Chipset | FTDI FT2232 |
| Cable length | 1.5 m |
| Data transfer rate | 0.001 Gbit/s |
| Product colour | Black |
| Compatible operating systems | Windows 2000 / XP / Vista / 7 / 8 / 8.1 / 10 / 11, Linux, Mac OS X |
| Package type | Polybag |
| Connector 1 | 9pin Sub D male |
| Connector 2 | 2 x RS232 9 Pin Sub-D |
| USB version | 2.0 |
| Connector 1 form factor | Straight |
| Connector 2 form factor | Straight |
| Connector 1 gender | Male |
| Connector 2 gender | Male |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the USB 2.0 to 2x Serial Adapter Cable InLine 33305M cost, and is it available for purchase?

The price is 33.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 514 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

### Where can I download the instructions for USB 2.0 to 2x Serial Adapter Cable InLine 33305M?

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/2546911/56588898_large.webp