# Fibre optic cable EFB Elektronik O8303S40OM4 4x LC OM4 40 m Beige Black Magenta

**URL:** https://aio.lv/en/product--efb-elektronik-o8303s40om4--10900802
**Data updated:** 2025-12-30 12:54 (EET)
**Category:** Network Cables
**Manufacturer:** EFB Elektronik
**Manufacturer code:** O8303S40OM4
**EAN:** 4049759305765
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The EFB Elektronik O8303S40OM4 is a high-quality fibre optic cable designed for high-speed data transmission. With a length of 40 meters and OM4 standard, it features 4x LC connectors on both ends, ensuring reliable connectivity. The core diameter of 50 µm allows for efficient signal transmission, making it ideal for data centers and networking applications. Available in Beige, Black, and Magenta, this cable combines functionality with aesthetic appeal.

## Long description

The EFB Elektronik O8303S40OM4 is a pre-assembled fibre optic trunk cable in OM4 specification, 40 m long, equipped with 4x LC connectors on each end. Produced by EFB Elektronik, this cable is intended for high-speed data transmission in structured cabling systems and offers a 50 µm multimode core. It is available in Beige, Black and Magenta colour options.
Advantages
This OM4 fibre optic cable provides consistent multimode performance for high-bandwidth applications and comes pre-terminated with 4x LC connectors to simplify installation and reduce on-site termination time. As a stocked standard product from EFB, it ensures predictable availability and uniform quality from factory assembly, while the 40 m length covers typical trunk and interconnect runs in data centres and network infrastructures.
Suitable for
 Data centre trunk and interconnect cabling
 High-bandwidth LAN and campus networks
 Patch panels and fibre distribution frames
 Server-to-switch and switch-to-switch multimode links
Key specifications
 Manufacturer: EFB Elektronik
 MPN: O8303S40OM4
 EAN: 4049759305765
 Cable length: 40 m
 Fibre type: OM4 multimode (50 µm core)
 Cable type: U-DQ(ZN) BH
 Connectors: 4x LC — 4x LC
 Colours: Beige, Black, Magenta
How to use
Route the pre-assembled trunk cable through cable ducts or fibre trays to the required patch panels or distribution frames. Terminate by inserting the LC connectors into the appropriate ports on transceivers, panels or switches, ensuring connector endfaces are clean before mating. Secure the cable along its route to maintain bend radius and avoid mechanical strain.
Usage recommendations
Inspect and clean LC connector endfaces before installation, maintain the manufacturer's minimum bend radius for OM4 multimode fibre, and use appropriate cable management and strain relief to preserve optical performance and connector integrity.

## Specifications

| Feature | Value |
|---|---|
| Fiber mode structure | Multi-mode |
| Core diameter | 50 µm |
| Cladding diameter | 125 µm |
| Bending radius | 90 mm |
| Fibre optic type | OM4 |
| Test protocol included | Yes |

### Features

| Feature | Value |
|---|---|
| Cable length | 40 m |
| Cable type | U-DQ(ZN) BH |
| Connector 1 | 4x LC |
| Connector 2 | 4x LC |
| Product colour | Beige, Black, Magenta |
| Plug and Play | Yes |
| Jacket material | Low smoke zero halogen (LSZH) |
| Connector 1 gender | Male |
| Connector 2 gender | Male |
| Cable shape | Round |

### Other features

| Feature | Value |
|---|---|
| Cable diameter | 6 mm |

### Packaging content

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

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | CE |

## FAQ

### 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 EFB Elektronik 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 EFB Elektronik 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: cable length, cable type, connector 1, connector 2, 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 Fibre optic cable EFB Elektronik O8303S40OM4?

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/10900802/64092258_large.webp