# Fiber Optic Adapter Lightwin LWL Kupplung Simplex ST-ST Multimode Red

**URL:** https://aio.lv/en/product--lightwin-lkup-st-st-mm--3932790
**Data updated:** 2025-12-29 13:53 (EET)
**Category:** Network Equipment Accessories
**Manufacturer:** Lightwin
**Manufacturer code:** LKUP ST-ST MM
**EAN:** 9120042367327
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 10.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lightwin-lkup-st-st-mm--3932790

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.99 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

The Lightwin LWL Kupplung Simplex ST-ST Multimode fiber optic adapter is designed for reliable connections in multimode fiber networks. It features a durable metal construction and a striking red color. This adapter supports ST connector types and is ideal for various applications, ensuring optimal signal transmission and minimal loss. Each pack contains one unit, making it a convenient choice for both personal and professional use.

## Long description

The Lightwin LWL Kupplung Simplex ST-ST Multimode adapter provides a reliable connection for multimode fiber optic networks. Constructed from durable metal and finished in red, this simplex ST-to-ST coupler is intended to maintain signal quality while minimising insertion loss. Supplied as a single unit, it fits standard ST multimode connectors and is suitable for both professional installations and small-scale setups.
Advantages
Metal construction ensures mechanical durability and stable alignment of ST ferrules. The red colour simplifies identification in patch panels or cable runs. Simplex ST-ST format offers straightforward mating of ST multimode connectors with low additional loss when used in compatible systems.
Suitable for
Multimode fiber patch panels
Local area network (LAN) cabling
Spare or replacement for ST connector links
Laboratory and testing setups requiring ST multimode connections
Key specifications
Brand: Lightwin
Model / MPN: LKUP ST-ST MM
EAN: 9120042367327
Type: Simplex ST–ST fiber optic adapter
Mode: Multimode
Material: Metal body
Colour: Red
Pack quantity: 1 unit
How to use
Insert the adapter into the appropriate panel or mount, then mate ST connectors by aligning the bayonet-style plugs and twisting to lock. Ensure fibre endfaces are clean before connection to minimise signal loss and potential damage. Remove and replace connections only when required and handle the adapter carefully to maintain alignment.
Usage recommendations
For best performance, clean connector endfaces with suitable fibre cleaning tools before making connections, and avoid bending fibers sharply near the adapter. Verify compatibility with multimode ST connectors and check insertion loss during installation if precise link budget is required.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Red |
| Connector type | ST |
| Fiber mode structure | Multi-mode |
| Number of connectors | 1 |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Fiber Optic Adapter Lightwin LWL Kupplung Simplex ST-ST cost, and is it available for purchase?

The price is 12.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 253 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 22.07.2026 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 Lightwin 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 Lightwin 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

## Image

https://aio.lv/img/cache/product/3932790/58604453_large.webp