# Fibre optic cable EFB Elektronik O8321S20OS2 8x SC OS2 20 m Black Blue Yellow

**URL:** https://aio.lv/en/product--efb-elektronik-o8321s20os2--10900734
**Data updated:** 2026-01-06 11:18 (EET)
**Category:** Network Cables
**Manufacturer:** EFB Elektronik
**Manufacturer code:** O8321S20OS2
**EAN:** 4049759307295
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 245.99 €
**Prices and availability valid until:** 2026-08-13 23:59
**Price without VAT (21%):** 203.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--efb-elektronik-o8321s20os2--10900734

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 11.08.2026 | free |
| Pickup points | 14.08.2026 | 1.89 EUR |
| Courier delivery to door | 14.08.2026 | 4.99 EUR |

## Summary description

The EFB Elektronik O8321S20OS2 is a high-quality fibre optic cable designed for reliable data transmission. With a length of 20 meters, it features 8x SC connectors and is compliant with OS2 standards. The cable type is U-DQ(ZN) BH, ensuring durability and flexibility. Its core diameter of 9 µm allows for efficient light transmission, making it ideal for high-speed networking applications.

## Long description

The EFB Elektronik O8321S20OS2 is a pre-assembled fibre optic trunk cable designed for reliable high-speed data transmission. This 20 m cable contains eight SC–terminated fibre pairs that conform to the OS2 single-mode category. The cable uses a U-DQ(ZN) BH construction and is supplied in a combination of black, blue and yellow outer colours for easy identification.
Advantages
The cable is delivered ready-made, reducing installation time and the need for on-site splicing. Compliance with the OS2 specification ensures low attenuation for long-distance single-mode links. The U-DQ(ZN) BH cable design provides mechanical protection and flexibility suitable for ducts and cable shafts. Having standardized SC connectors simplifies mating with common patch panels and equipment.
Suitable for
 Single-mode backbone and trunk installations
 Data centre and telecom links requiring pre-terminated cables
 Installation in cable ducts and shafts
 Patch and interconnect runs between distribution panels
Key specifications
 Brand: EFB Elektronik
 Model / MPN: O8321S20OS2
 Length: 20 m
 Fibre category: OS2 (single-mode)
 Connectors: 8x SC to 8x SC
 Cable type: U-DQ(ZN) BH
 Core diameter: 9 µm
 Colours: Black, Blue, Yellow
How to use
Route the pre-assembled trunk cable through the prepared duct or shaft to the equipment locations. Secure the cable at service loops and mounting points to avoid strain on the SC connectors. Terminate each SC connector into the corresponding adapter or patch panel ports. Verify continuity and attenuation values with appropriate fibre test equipment after installation.
Usage recommendations
Store and handle the cable to maintain the minimum bend radius specified by the manufacturer; avoid sharp bends, crushing and prolonged exposure to tensile loads. Use dust caps on SC connectors until final mating and perform end-face inspection and cleaning before connection.

## 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 | 20 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 O8321S20OS2 cost, and is it available for purchase?

The price is 245.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 11.08.2026 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 O8321S20OS2?

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/10900734/64091925_large.webp