# InLine Fiber Optical Duplex Cable ST/ST 50/125µm OM3 20m

**URL:** https://aio.lv/en/product--inline-81520o--1039906
**Data updated:** 2026-01-03 12:46 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** InLine
**Manufacturer code:** 81520O
**EAN:** 4043718248896
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--inline-81520o--1039906

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.99 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

The InLine Fiber Optical Duplex Cable ST/ST 50/125µm OM3 20m is designed for high-speed data transmission. With a core diameter of 50 µm, this full duplex cable supports efficient communication. The OM3 fiber type ensures optimal performance for networks requiring high bandwidth. Ideal for connecting devices with ST connectors, this cable is perfect for both residential and commercial applications. Its 20m length provides flexibility in installation, making it a reliable choice for your networking needs.

## Long description

The InLine Fiber Optical Duplex Cable ST/ST 50/125µm OM3 20m is a duplex multimode fiber cable with ST connectors on both ends and a 20-metre length. It features a 50 µm core and OM3 specification to support high-bandwidth, high-speed data links for local area networks and device interconnections where ST termination is required.
Advantages
This OM3 50/125µm duplex cable provides low attenuation and stable multimode performance over short to medium distances. The ST/ST metal bayonet connectors offer secure, easy mating in equipment racks and networking panels. A 20 m length delivers installation flexibility without the need for splices, and the duplex construction supports simultaneous transmit and receive channels for full-duplex links.
Suitable for
LAN backbone and horizontal multimode links
Connecting switches, media converters and transceivers with ST ports
Server room and data cabinet interconnects over short to medium distances
Audio/visual systems and industrial networks requiring OM3 performance
Key specifications
Connector type: ST to ST (duplex)
Fiber type: Multimode OM3
Core/cladding: 50/125 µm
Length: 20 m
Brand: InLine
Manufacturer part number (MPN): 81520O
EAN: 4043718248896
How to use
Route the duplex cable between devices ensuring minimal bend radius and avoiding sharp kinks. Align and insert each ST connector into the corresponding ST port until the bayonet engages. Use the two fibers as separate transmit and receive channels as required by your equipment. Inspect connector endfaces for cleanliness before use and clean with appropriate fiber-optic cleaning tools if necessary.
Usage recommendations
For best results, use this OM3 50/125µm duplex cable within the recommended multimode distance ranges for your transceivers, avoid tight bends, and store excess cable properly to prevent stress on the fibers.

## Specifications

| Feature | Value |
|---|---|
| Full duplex | Yes |
| Cable length | 20 m |
| Product colour | Turquoise, Aqua colour |
| Connector 1 | ST |
| Connector 2 | ST |
| Cable diameter | 3 mm |
| Fiber mode structure | Multi-mode |
| Core diameter | 50 µm |
| Cladding diameter | 125 µm |
| Jacket material | Low smoke zero halogen (LSZH) |
| Connector 1 gender | Male |
| Connector 2 gender | Male |
| Fibre optic type | OM3 |
| Test protocol included | Yes |
| Compliance certificates | RoHS |

## FAQ

### How much does the InLine Fiber Optical Duplex Cable ST/ST 50/125µm OM3 20m cost, and is it available for purchase?

The price is 17.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 28 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 10.07.2026 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 InLine 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 InLine 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 InLine Fiber Optical Duplex Cable ST/ST 50/125µm OM3 20m?

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/1039906/64126053_large.webp