# Fiber Optic Keystone Jack ROLINE LC Duplex Multimode OM3 21.17.0001

**URL:** https://aio.lv/en/product--roline-21170001--1092418
**Data updated:** 2025-12-29 15:32 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** ROLINE
**Manufacturer code:** 21.17.0001
**EAN:** 7611990198658
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 5.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--roline-21170001--1092418

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The ROLINE Fiber Optic Keystone Jack is designed for high-speed data transmission with LC Duplex connectors. It supports multimode OM3 fiber, ensuring efficient performance for network applications. This keystone jack is easy to install and compatible with standard wall plates, making it ideal for structured cabling systems. Its robust design ensures durability and reliability in various environments.

## Long description

ROLINE Fiber Optic Keystone Jack LC Duplex Multimode OM3 (MPN 21.17.0001) is a keystone-format adapter designed for multimode OM3 fiber optic cabling. It provides two LC duplex plug interfaces (2x LC / 2x LC) for connecting or extending fiber optic jumper cables and fits standard fiber optic front plates used in structured cabling systems. The jack features a robust plastic housing and phosphor-bronze ferrule sleeves for reliable contact.
Advantages
The keystone jack offers a compact keystone design for easy installation into standard faceplates, compatibility with LC duplex multimode OM3 jumpers, and durable construction with high-quality plastic housing. Phosphor-bronze (PB) sleeve material improves mechanical strength and contact reliability for multimode connections.
Suitable for
Structured cabling in offices and server rooms
Extending or connecting multimode OM3 LC duplex jumper cables
Installation in standard fiber optic front plates and patch panels
Key specifications
Brand: ROLINE
Model / MPN: 21.17.0001
EAN: 7611990198658
Connector type: 2x LC / 2x LC (LC Duplex)
Fiber type: Multimode OM3
Format: Keystone jack for front plates
Housing: High-quality plastic
Ferrule sleeve material: Phosphor-bronze (PB)
How to use
Insert the keystone jack into a compatible fiber optic front plate or keystone panel until it clicks into place. Plug LC duplex multimode OM3 jumper cables into the LC ports on the jack, ensuring proper orientation and secure connection. Use the jack to extend existing jumper cables or to provide a front-plate termination point for structured cabling runs.
Usage recommendations
Handle fiber connectors and jumper cables by the connector body, avoid touching ferrule end faces, and use appropriate cleaning tools before mating. Ensure compatibility with multimode OM3 patch cords and avoid bending fibers beyond their minimum bend radius during installation.

## FAQ

### How much does the Fiber Optic Keystone Jack ROLINE LC Duplex OM3 cost, and is it available for purchase?

The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1153 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 01.07.2026 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 ROLINE 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 ROLINE 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

## Image

https://aio.lv/img/cache/product/1092418/64142062_large.webp