# LogiLink NK0031 LC-Duplex Keystone Modular Coupler

**URL:** https://aio.lv/en/product--logilink-nk0031--680544
**Data updated:** 2026-05-22 07:22 (EEST)
**Category:** Network Equipment Accessories
**Manufacturer:** LOGILINK
**Manufacturer code:** NK0031
**EAN:** 4052792040708
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 2.88 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--logilink-nk0031--680544

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

The LogiLink NK0031 is a high-quality LC-Duplex Keystone modular coupler designed for fiber optic network installations. Featuring a turquoise and white finish, this coupler ensures reliable connectivity for LC fiber optic cables. It is ideal for patch panels, wall outlets, and modular faceplates, providing a secure and efficient connection for data transmission in professional networking environments.

## Long description

The LogiLink NK0031 LC-Duplex Keystone modular coupler is a professional-grade component engineered for seamless fiber optic network integration. Designed to facilitate the connection and extension of LC-Duplex fiber optic patch cables, this coupler ensures stable and high-speed data transmission. Its standardized keystone form factor allows for effortless integration into existing networking infrastructure, providing a reliable link for both single-mode and multi-mode fiber optic systems.
Advantages
This coupler offers exceptional versatility and ease of use in diverse networking environments. The snap-in mounting mechanism allows for rapid installation without the need for specialized tools, significantly reducing setup time. Its robust construction ensures a secure fit within patch panels and wall outlets, minimizing signal loss and maintaining the integrity of the fiber optic connection. The dual-color turquoise and white design assists in clear identification and organization within complex cable management systems.
Suitable for
Fiber optic patch panels
Modular wall outlets
Surface-mounted boxes
Data center cable management
Enterprise network installations
This product may not be suitable for environments requiring ruggedized or waterproof connections, as it is designed for standard indoor networking applications. It is also not intended for use with fiber optic connector types other than LC-Duplex.
Key specifications
Connector type: LC-Duplex
Mounting style: Keystone snap-in
Compatibility: Single-mode and multi-mode fiber
Color: Turquoise and white
Form factor: Standardized keystone
To install the coupler, simply align it with the opening in your patch panel, faceplate, or surface box and press firmly until the snap-in mechanism clicks into place. Once secured, insert your LC-Duplex fiber optic patch cables into the ports on either side of the coupler until you hear a secure connection. Ensure that the fiber ends are clean and free of dust before insertion to maintain optimal signal performance.
What to consider before purchase
Verify that your patch panel or faceplate supports the standard keystone mounting interface.
Confirm that your fiber optic cabling utilizes LC-Duplex connectors.
Ensure the environment is suitable for standard indoor fiber optic components.
Usage recommendations
Always inspect fiber optic connectors for dust or debris before installation and use protective caps when the ports are not in use to prevent signal degradation.

## Specifications

| Feature | Value |
|---|---|
| Package weight | 7 g |
| Height | 16.6 mm |
| Width | 29 mm |
| Depth | 21.3 mm |
| Product colour | Turquoise, White |
| Package depth | 60 mm |
| Package height | 20 mm |
| Package width | 90 mm |
| Connector 1 | LC |
| Connector 2 | LC |
| Harmonized System (HS) code | 85369010 |

## FAQ

### How much does the LogiLink NK0031 LC-Duplex Keystone Modular Coupler cost, and is it available for purchase?

The price is 3.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 323 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 15.07.2026 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 LOGILINK 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 LOGILINK 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

### Where can I download the instructions for LogiLink NK0031 LC-Duplex Keystone Modular Coupler?

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/680544/57497917_large.webp