Loopback adapter DeLOCK RS-232/422/485 DB25 female

Name: Loopback adapter DeLOCK RS-232/422/485 DB25 66831
Brand: DELOCK
SKU: 4323868
Price: 14.49 EUR
Availability: InStock

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Short description

The DeLOCK RS-232/422/485 Loopback adapter features a DB25 female connector, designed for reliable communication testing. With dimensions of 12.6 mm width, 53.3 mm depth, and 11.8 mm height, it is compact and easy to handle. The adapter is packaged in a polybag and is made in Taiwan, ensuring quality and durability. Ideal for professionals needing to test serial connections.

Available at price 14.49 €: 55 pcs.

Total available for order: 165 pcs.

Warranty: 2 Years

SKU: 4323868

Manufacturer: DELOCK

Learn more

Deliver the order:

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to the Customer Service Center at Kengaraga 2b, Riga

29.06.2026 {{selectedOffer.officeDeliveryString}}

free

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

29.06.2026 {{selectedOffer.officeDeliveryString}}

free

Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!

02.07.2026 {{selectedOffer.courierDeliveryString}}

From 4.99 € (Weight: 0.02 kg)

Parcel couriers

Latvijas Pasts pakomāts / Unisend / DPD Paku skapis / Omniva / Venipak Pickup / Venipak Locker / Latvijas Pasts nodaļa

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From 1.99 €

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Payment Methods:

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Product information

Description

The DeLOCK Loopback adapter for RS-232/422/485 with a DB25 female connector is designed to facilitate testing and troubleshooting of serial communication lines. Compact and portable, it enables simple connection of signal lines for loopback tests and basic error/data analysis. The adapter is supplied in a polybag and manufactured in Taiwan.

Advantages

The adapter provides a straightforward means to perform loopback tests on RS-232, RS-422 and RS-485 interfaces using a DB25 female connector. Its small dimensions make it easy to carry and position during testing. The product's construction and packaging support repeated use in professional or lab environments.

Suitable for

Testing and troubleshooting RS-232 serial ports
Checking RS-422 and RS-485 differential communication lines
Loopback diagnostics during hardware or software development
Maintenance and repair of serial communication equipment

Key specifications

Connector: DB25 female
Supported interfaces: RS-232, RS-422, RS-485
Dimensions (W × D × H): 12.6 mm × 53.3 mm × 11.8 mm
Packaging: polybag
Origin: Taiwan
Colour: Black, Silver
Brand: DELOCK, MPN: 66831, EAN: 4043619668311

How to use

Connect the DB25 female loopback adapter to the corresponding DB25 serial port on the device under test. Use the adapter to close the required transmit and receive signal paths according to the loopback or wiring diagram for RS-232, RS-422 or RS-485. Run your diagnostic, terminal or test software to send data; verify that received data matches transmitted data to confirm line integrity and proper signal routing.

Usage recommendations

Ensure the device is powered and configured for the correct serial mode (RS-232, RS-422 or RS-485) before testing. Refer to the equipment wiring and signal reference to select the correct pins for loopback. Store the adapter in a dry environment when not in use to maintain connector condition.

Specifications

Product colour:: Black, Silver

All features

Weight & dimensions

Height:: 11.8 mm
Width:: 12.6 mm
Depth:: 53.3 mm

Packaging content

Quantity per pack:: 1 pc(s)

Features

Product colour:: Black, Silver
Country of origin:: Taiwan
Connector gender:: Female

Other features

Material:: Metal, Plastic
Connector(s):: DB25

Packaging data

Package type:: Polybag

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Instructions

mmo_95444674_1637338370_0007_63314.pdf

mmo_95444674_1724267808_8413_2571678.pdf

Description

Instructions

mmo_95444674_1637338370_0007_63314.pdf

mmo_95444674_1724267808_8413_2571678.pdf

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Warehouse	Stock	Delivery to the store	Store Price
WH94	55	29.06.2026 Best delivery	14.49 €

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
EU4	55	13.07.2026	15.49 €
WH109	55	13.07.2026	19.49 €

14.49 €

Stock: 55

Delivery Date: 29.06.2026 Best delivery

Warehouse: WH94

Available only for legal entities

15.49 €

Stock: 55

Delivery Date: 13.07.2026

Warehouse: EU4

19.49 €

Stock: 55

Delivery Date: 13.07.2026

Warehouse: WH109

Customer reviews

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Customer questions

FAQ

How much does the Loopback adapter DeLOCK RS-232/422/485 DB25 female cost, and is it available for purchase?

The price is 14.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 165 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 29.06.2026 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, 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. 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: 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 DB25 female?

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.

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