# Loopback adapter RS-232/422/485 DeLOCK 66826

**URL:** https://aio.lv/en/product--delock-66826--4323871
**Data updated:** 2025-12-29 16:01 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** DELOCK
**Manufacturer code:** 66826
**EAN:** 4043619668267
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 10.32 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--delock-66826--4323871

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.07.2026 | free |
| Pickup points | 03.08.2026 | 1.89 EUR |
| Courier delivery to door | 03.08.2026 | 4.99 EUR |

## Summary description

The DeLOCK RS-232/422/485 Loopback adapter features a DB9 male connector and is designed for testing and troubleshooting serial communication. With dimensions of 12.6 mm width, 31 mm depth, and 11.8 mm height, it is compact and easy to use. This adapter is ideal for ensuring proper data transmission in RS-232, RS-422, and RS-485 interfaces, making it a valuable tool for technicians and engineers.

## Long description

The DeLOCK Loopback adapter RS-232/422/485 (model 66826) is a compact DB9 male connector tool for testing and troubleshooting serial communication lines. Designed for use with RS-232, RS-422 and RS-485 interfaces, it enables loopback testing to verify signal routing and basic data integrity during maintenance and diagnostics.
Advantages
The adapter is compact and lightweight with a durable metal-coloured housing, providing a simple plug-and-play solution for loopback tests. Its DB9 male connector fits standard serial ports and allows quick verification of transmit/receive wiring without additional cabling or complex setup.
Suitable for
Testing RS-232 serial ports on computers and industrial devices
Diagnosing RS-422 communication lines and differential interfaces
Verifying RS-485 networks and half-/full-duplex connections
Field troubleshooting by technicians and engineers
Key specifications
Connector: DB9 male
Supported interfaces: RS-232, RS-422, RS-485
Dimensions (W×D×H): 12.6 × 31 × 11.8 mm
Colour: Silver
Brand: DELOCK, MPN: 66826, EAN: 4043619668267
How to use
Insert the DB9 male connector into the serial port to perform loopback testing. Use appropriate terminal software or test equipment to send data and observe received signals; the adapter routes transmit lines back to receive lines for basic continuity and signal verification. Remove the adapter when testing is complete.
Usage recommendations
Use this loopback adapter for functional checks and basic diagnostics only; it does not replace protocol analyzers for in-depth traffic analysis. Ensure the device under test is powered and configured for the same interface standard (RS-232, RS-422 or RS-485) before connecting.

## Specifications

### Packaging content

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 11.8 mm |
| Width | 12.6 mm |
| Depth | 31 mm |

### Features

| Feature | Value |
|---|---|
| Product colour | Silver |

## FAQ

### How much does the Loopback adapter DeLOCK 66826 cost, and is it available for purchase?

The price is 12.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 188 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 29.07.2026 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 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 66826?

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/4323871/64274427_large.webp