# Loopback adapter DeLOCK RS-232/422/485 DB9 female

**URL:** https://aio.lv/en/product--delock-66825--4323872
**Data updated:** 2025-12-29 16:01 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** DELOCK
**Manufacturer code:** 66825
**EAN:** 4043619668250
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 12.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--delock-66825--4323872

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The DeLOCK RS-232/422/485 Loopback adapter with DB9 female is designed for testing and troubleshooting serial communication. It features a compact black design and is easy to use. This adapter allows for seamless data transmission and is ideal for developers and engineers working with serial interfaces. Quantity per pack: 1 pc.

## Long description

The DeLOCK RS-232/422/485 DB9 female loopback adapter is a compact, black socket designed for testing serial communication lines. It enables simple loopback connections for error detection and data analysis on RS-232, RS-422 and RS-485 interfaces and is supplied as a single unit.
Advantages
This loopback adapter supports RS-232, RS-422 and RS-485 standards in one compact DB9 female connector, requires no additional tools to use and is portable for bench or field testing. The simple wiring inside the socket creates a reliable loopback for transmitting and receiving signals to verify line integrity and troubleshoot communication faults.
Suitable for
Testing and troubleshooting serial RS-232/422/485 ports
Error and data analysis on serial communication lines
Developers and engineers validating serial hardware and software
Field service and laboratory diagnostics
Key specifications
Connector: DB9 female
Supported interfaces: RS-232, RS-422, RS-485
Colour: Black
Quantity per pack: 1 pc
Brand: DELOCK
MPN: 66825
EAN: 4043619668250
How to use
Connect the loopback adapter to the device's DB9 serial port. For loopback testing, ensure the adapter pins match the interface standard in use (RS-232, RS-422 or RS-485) and perform the desired transmission tests or diagnostics using your terminal or test software. Monitor received data to confirm proper loopback behavior and to identify communication errors.
Usage recommendations
Use the adapter on powered-down equipment when possible to avoid transient signals during insertion. Verify pinouts for the specific serial standard before testing and store the adapter in a dry environment to prevent corrosion.

## Specifications

### Packaging content

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Features

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

## FAQ

### How much does the Loopback adapter DeLOCK RS-232/422/485 cost, and is it available for purchase?

The price is 15.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 705 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 03.07.2026 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, 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 DELOCK 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 DELOCK 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: 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 Loopback adapter DeLOCK RS-232/422/485?

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/4323872/64274430_large.webp