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header-product USB to Sub-D 9 Pin Serial Adapter Cable Premium InLine 33304D
28.49 €

USB to Sub-D 9 Pin Serial Adapter Cable Premium InLine 33304D

USB to Sub-D 9 Pin Serial Adapter Cable InLine 33304D Photo 1
USB to Sub-D 9 Pin Serial Adapter Cable InLine 33304D Photo 2
USB to Sub-D 9 Pin Serial Adapter Cable InLine 33304D Photo 1
USB to Sub-D 9 Pin Serial Adapter Cable InLine 33304D Photo 2
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Short description

The InLine USB to Sub-D 9 Pin Serial Adapter Cable Premium features a 0.2 m length and a USB Type-A connector. It allows for easy connection of serial devices to your computer, ensuring reliable data transfer. The blue cable design adds a touch of style while maintaining functionality. Ideal for connecting older devices that require a serial interface.
Available for order: 37 pcs.
Warranty: 2 Years
SKU: 1092758
free shipment

Cheapest with

Latvijas Pasts pakomāts

Pick-up points

Latvijas Pasts pakomāts

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
22.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
27.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.06 kg)
Parcel couriers
Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts nodaļa
27.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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Product information

Description

The InLine USB to Sub-D 9 Pin Serial Adapter Cable Premium (MPN 33304D) is a 0.2 m cable with a USB Type-A connector that converts a USB port to a DB‑9 (Sub‑D 9) serial interface. It uses the PL-2303 chipset and enables connection of legacy serial devices to modern computers. Drivers are available for download from the manufacturer websites.

Advantages

This premium adapter cable provides a compact 0.2 m length for tidy connections, a standard USB Type-A plug for wide compatibility, and a blue jacket for easy identification. The PL-2303 chipset ensures broad driver support for many operating systems when the appropriate drivers from the vendor are installed.

Suitable for

  • Connecting legacy serial devices (RS‑232) to modern PCs
  • Programming or configuring network equipment, routers, or switches with serial console ports
  • Point-of-sale terminals, industrial controllers, and measurement instruments that use DB‑9 serial ports

Key specifications

  • Manufacturer: InLine
  • Model / MPN: 33304D
  • EAN: 4043718111091
  • Length: 0.2 m
  • Connector 1: USB Type‑A
  • Connector 2: DB‑9 (Sub‑D 9)
  • Chipset: PL‑2303
  • Colour: Blue

How to use

Install the appropriate PL‑2303 drivers for your operating system by downloading them from www.intos.de or www.inline-info.com. After installing the drivers, plug the USB Type‑A connector into an available USB port on your computer and connect the DB‑9 end to the serial device. The operating system should detect the adapter and assign a COM port; use that COM port in your terminal or communication software.

Usage recommendations

To avoid connection issues, install the vendor-recommended drivers before connecting the cable and secure the DB‑9 connector if the device has thumbscrews or mounting points. Avoid using the adapter in environments with excessive mechanical strain or moisture.

Specifications

Connector 1:
USB Type-A
Connector 2:
DB-9
Product colour:
Blue
All features

Features

Cable length:
0.2 m
Product colour:
Blue
Connector 1:
USB Type-A
Connector 2:
DB-9
Connector 1 gender:
Male
Connector 2 gender:
Male

Description

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Customer reviews

Customer questions

FAQ

How much does the USB to Sub-D 9 Pin Serial Adapter Cable InLine 33304D cost, and is it available for purchase?

The price is 28.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 37 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 22.07.2026 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. 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. 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: 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 to Sub-D 9 Pin Serial Adapter Cable InLine 33304D?

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.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.