# Fibre optic cable EFB Elektronik O8321S50OS2 8x SC OS2 50 m Black Blue Yellow

**URL:** https://aio.lv/en/product--efb-elektronik-o8321s50os2--10900731
**Data updated:** 2026-01-06 11:18 (EET)
**Category:** Network Cables
**Manufacturer:** EFB Elektronik
**Manufacturer code:** O8321S50OS2
**EAN:** 4049759307325
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 270.49 €
**Prices and availability valid until:** 2026-08-14 23:59
**Price without VAT (21%):** 223.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--efb-elektronik-o8321s50os2--10900731

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 12.08.2026 | free |
| Pickup points | 17.08.2026 | 1.89 EUR |
| Courier delivery to door | 17.08.2026 | 4.99 EUR |

## Summary description

The EFB Elektronik O8321S50OS2 is a high-quality fibre optic cable designed for reliable data transmission. With a length of 50 meters, it features 8x SC connectors and is compliant with OS2 standards. The core diameter of 9 µm ensures optimal performance, making it suitable for InfiniBand applications. Available in black, blue, and yellow, this cable is perfect for various networking needs.

## Long description

The EFB Elektronik O8321S50OS2 is a pre-assembled fibre optic trunk cable designed for reliable long-distance data transmission. Delivered in a stocked standard length of 50 m, this assembly includes eight SC connectors per end and complies with OS2 single-mode specifications. The cable uses a 9 µm core diameter suited for high-performance networking and InfiniBand applications, and is available in black, blue and yellow outer jackets.
Advantages
This pre-assembled EFB trunk cable reduces installation time by providing factory-terminated SC connections and a tested OS2 single-mode fibre path. The U-DQ(ZN) BH cable construction offers mechanical protection and consistent optical performance across the 50 m length. Having multiple colour options (black, blue, yellow) simplifies cable identification in rack and duct installations.
Suitable for
Single-mode backbone links in data centres
InfiniBand connections requiring OS2 fibre
Pre-terminated duct or shaft installations
Telecommunications and enterprise network backbones
Key specifications
Brand: EFB Elektronik
MPN: O8321S50OS2
EAN: 4049759307325
Fibre type: OS2 (single-mode)
Number of connectors: 8x SC (each end)
Cable length: 50 m
Cable type: U-DQ(ZN) BH
Core diameter: 9 µm
Product colour: Black, Blue, Yellow
How to use
Route the pre-assembled cable through the intended duct, shaft or rack tray, taking care to respect the manufacturer’s minimum bend radius. Secure both ends in the patch panels or adapter plates and connect SC connectors to corresponding SC ports. Verify optical continuity and link performance with appropriate test equipment before putting the connection into production.
Usage recommendations
Use this OS2 fibre trunk for single-mode backbone links and InfiniBand applications. Avoid tight bends, excessive tensile loads and exposure to sharp edges during installation. Store and handle the pre-terminated ends with protective caps until final connection to prevent contamination.

## Specifications

| Feature | Value |
|---|---|
| Fiber mode structure | Single-mode |
| Core diameter | 9 µm |
| Cladding diameter | 125 µm |
| Bending radius | 90 mm |
| Fibre optic type | OS2 |
| Test protocol included | Yes |

### Features

| Feature | Value |
|---|---|
| Cable length | 50 m |
| Cable type | U-DQ(ZN) BH |
| Connector 1 | 8x SC |
| Connector 2 | 8x SC |
| Product colour | Black, Blue, Yellow |
| 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

### How much does the Fibre optic cable EFB Elektronik O8321S50OS2 cost, and is it available for purchase?

The price is 270.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 12.08.2026 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 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 O8321S50OS2?

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/10900731/64091910_large.webp