# Optical Fiber Coupler DeLOCK 86903 LC Quad female to LC Quad female Single-mode blue

**URL:** https://aio.lv/en/product--delock-86903--4041243
**Data updated:** 2026-01-06 11:14 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** DELOCK
**Manufacturer code:** 86903
**EAN:** 4043619869039
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.49 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 16.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--delock-86903--4041243

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The DeLOCK Optical Fiber Coupler 86903 features LC Quad female to LC Quad female connectors, designed for single-mode fiber applications. With a compact size of 25.6 mm width, 29.2 mm depth, and 9.3 mm height, this coupler is ideal for space-constrained setups. The blue color adds a visual distinction, while the laser protection flip ensures safety during operation. Each pack contains 1 piece, making it a convenient choice for your networking needs.

## Long description

The DeLOCK Optical Fiber Coupler 86903 provides a compact LC Quad female to LC Quad female connection for single-mode fiber installations. Designed for mounting in fiber connection boxes, cabinets and patch panels, the coupler allows direct connection of optical fiber cables and has a compact footprint (25.6 mm × 29.2 mm × 9.3 mm). The unit is blue and supplied as a single piece.
Advantages
The coupling offers direct mating of LC Quad female connectors while occupying minimal space. An integrated flip protects against laser radiation during handling, and a removable dust cap keeps the ferrule and sleeve clean when not in use.
Suitable for
Single-mode optical fiber connections
Mounting in fiber connection boxes and cabinets
Patching in patch panels and distribution frames
Space-constrained network installations
Key specifications
Connector type: LC Quad female to LC Quad female
Fiber type: Single-mode
Dimensions (W × D × H): 25.6 mm × 29.2 mm × 9.3 mm
Color: Blue
Quantity: 1 piece
Manufacturer: DELOCK, MPN: 86903, EAN: 4043619869039
How to use
Remove the dust cap and align the LC Quad connectors of the optical fiber cables with the corresponding female ports of the coupler. Insert the connectors until they engage. Use the integrated flip to block laser emission during connector insertion or removal as required by local safety procedures. Replace the dust cap when the coupler is not in use to protect the ferrule and sleeve.
Usage recommendations
Handle connectors and the coupling according to standard fiber-optic safety and cleanliness procedures. Avoid touching the ferrule endfaces, and clean connectors before mating. Ensure laser safety precautions are followed when working with active single-mode fibers.

## Specifications

| Feature | Value |
|---|---|
| Height | 9.3 mm |
| Width | 25.6 mm |
| Depth | 29.2 mm |
| Product colour | Blue |
| Housing material | Plastic |
| Connector type | LC/LC |
| Fiber mode structure | Single-mode |
| Number of connectors | 2 |
| Quantity per pack | 1 pc(s) |
| Ferrule material | Ceramic |

## FAQ

### How much does the Optical Fiber Coupler DeLOCK 86903 cost, and is it available for purchase?

The price is 20.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 58 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 08.07.2026 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

### Where can I download the instructions for Optical Fiber Coupler DeLOCK 86903?

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/4041243/64245020_large.webp