# Serial Adapter StarTech.com DB92422 RS422 RS485 to Terminal Block

**URL:** https://aio.lv/en/product--startech-db92422--932267
**Data updated:** 2025-12-29 05:22 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** StarTech
**Manufacturer code:** DB92422
**EAN:** 0065030837668
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--startech-db92422--932267

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The StarTech.com DB92422 is a reliable RS422 RS485 serial adapter that converts DB9 to terminal block connections. It features a durable black design, ensuring long-lasting performance. Ideal for industrial applications, this adapter supports data transmission over long distances and is easy to install, making it a perfect solution for connecting serial devices.

## Long description

The StarTech.com DB92422 Serial Adapter converts an RS-422 or RS-485 DB9 male serial connector to a 5-pin 3.5 mm terminal block connector. Designed for industrial wiring, the adapter supports screw-type wiring and enables straightforward connection between DB9 serial ports and terminal-block wired devices. The product is backed by a lifetime warranty from the manufacturer.
Advantages
This adapter converts a DB9 male RS-422/RS-485 port to a 5-pin terminal block, supporting four-wire RS-422, two- or four-wire RS-485 modes. The 3.5 mm terminal block uses screw terminals for secure, standard industrial wiring and simplifies installation of serial devices in control and automation systems.
Suitable for
 Connecting DB9 RS-422/RS-485 ports to terminal-block wired equipment
 Industrial control and automation systems
 Long-distance serial communication installations
 Field wiring where screw-terminal connections are required
Key specifications
 Model: StarTech.com DB92422
 Function: DB9 male (RS-422/RS-485) to 5-pin 3.5 mm terminal block adapter
 Supported modes: Four-wire RS-422, RS-485 and two-wire RS-485
 Terminal type: Screw-type 3.5 mm, 5-pin
 Warranty: Lifetime limited warranty
 Brand: StarTech.com
How to use
Plug the DB9 male connector into the corresponding RS-422 or RS-485 DB9 port on your device. Strip the ends of the field wires and insert them into the appropriate screw terminals on the 3.5 mm terminal block according to your wiring scheme (for example A/B or TX/RX pairs). Tighten the screws to secure the wires and verify correct terminal-to-pin mapping before powering the system.
Usage recommendations
Use appropriate cable types and observe RS-422/RS-485 wiring conventions for differential pairs and termination. For long runs, ensure proper termination and grounding to reduce noise. Verify the device mode (two-wire or four-wire) and wire accordingly to avoid communication issues.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.02 kg |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 53 g |
| Package depth | 144 mm |
| Package height | 35 mm |
| Package width | 102 mm |

### Other features

| Feature | Value |
|---|---|
| Dimensions (WxDxH) | 34.2 x 48.9 x 15.4 |
| Connector(s) | RS422/RS485 DB9 |

### Features

| Feature | Value |
|---|---|
| Product colour | Black |

## FAQ

### How much does the Serial Adapter StarTech.com DB92422 cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 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 08.07.2026 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: 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. 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: weight, 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.

## Image

https://aio.lv/img/cache/product/932267/64106447_large.webp