# DB9 to DB25 Serial Adapter M/F StarTech AT925MF

**URL:** https://aio.lv/en/product--startech-at925mf--768206
**Data updated:** 2025-12-28 21:38 (EET)
**Category:** Serial & Parallel Cables
**Manufacturer:** StarTech
**Manufacturer code:** AT925MF
**EAN:** 065030200943
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-04 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--startech-at925mf--768206

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 18.06.2026 | free |
| Pickup points | 25.06.2026 | 1.99 EUR |
| Courier delivery to door | 25.06.2026 | 4.99 EUR |

## Summary description

The StarTech DB9 to DB25 Serial Adapter allows you to connect devices with DB9 connectors to DB25 ports. It features a durable beige design and is ideal for legacy systems. This adapter ensures reliable data transmission and is easy to install, making it a practical solution for connecting older serial devices.

## Long description

The StarTech DB9 to DB25 Serial Adapter (AT925MF) converts a 9-pin DB9 connection into a 25-pin DB25 male connector, enabling communication between devices with DB9 connectors and equipment that uses DB25 serial ports. The adapter has a durable beige housing and is intended for use with legacy serial systems where a simple, passive interface is required. It is backed by StarTech.com's lifetime warranty for long-term reliability.
Advantages
This DB9 to DB25 serial adapter provides a compact, passive solution for connecting DB9 devices to DB25 ports without requiring drivers or power. Its sturdy construction and standard pin mapping ensure consistent data transmission for serial communications. The adapter's plug-and-play design makes installation straightforward and it is compatible with a wide range of legacy serial devices.
Suitable for
Connecting DB9-equipped peripherals (modems, serial mice, industrial equipment) to DB25 ports
Integrating legacy hardware into systems that provide only DB25 serial connectors
Field service and maintenance tasks requiring quick serial port adaptation
Key specifications
Model: AT925MF
Brand: StarTech
Connector configuration: DB9 (female) to DB25 (male)
Compatibility: Standard RS-232 serial pinouts for legacy devices
Color: Beige
Warranty: Lifetime Warranty (StarTech)
EAN: 065030200943
How to use
Align the DB9 connector on the adapter with the DB9 port of your device and plug it in securely. Then connect the DB25 male end to the DB25 serial port on the host equipment. Tighten any retention screws if present to ensure a stable physical connection. No additional drivers or power source are required; the adapter functions as a passive pin-mapping connector for RS-232 serial signals.
Usage recommendations
Use the adapter in environments where distance and cable quality are suitable for RS-232 signals; for long cable runs or electrically noisy environments consider using shielded serial cables or signal extenders. Verify device pinouts when connecting non-standard or purpose-built equipment to avoid miswired connections.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.043 kg |
| Package weight | 48 g |
| Connector(s) | DB9 Male, DB25 Female |
| Product colour | Beige |
| Package depth | 0.07 mm |
| Package height | 125 mm |
| Package width | 90 mm |
| Connector 1 gender | Male |
| Connector 2 gender | Female |

## FAQ

### How much does the DB9 to DB25 Serial Adapter StarTech AT925MF cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 34 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 18.06.2026 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. 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. More information about warranty service: https://aio.lv/en/warranty

## Image

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