# EFB Elektronik B71901L12OM4 fibre optic adapter LC Multi-mode Grey Violet

**URL:** https://aio.lv/en/product--efb-elektronik-b71901l12om4--5645060
**Data updated:** 2026-01-13 21:29 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** EFB Elektronik
**Manufacturer code:** B71901L12OM4
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 87.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 72.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--efb-elektronik-b71901l12om4--5645060

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.89 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

The EFB Elektronik B71901L12OM4 is a multi-mode fibre optic adapter with LC connector. It features a grey and violet color scheme, suitable for various networking applications. Dimensions are 483 mm width, 244 mm depth, and 44.5 mm height. Ideal for reliable data transmission in fiber optic networks.

## Long description

The EFB Elektronik B71901L12OM4 fibre optic adapter is a multi-mode LC adapter designed for rack-mounted and patch-panel installations. Finished in grey with violet marking, the adapter supports standard LC multi-mode connectors and occupies a compact 19-inch width with a depth of 244 mm and a height of 44.5 mm. It is intended to provide reliable physical connection points for multi-mode optical fibers and to integrate with structured cabling systems.
Advantages
This multi-mode LC adapter provides consistent optical alignment for plug-in connectors and reduces insertion loss through stable connector mating. The compact 483 mm width and low-profile 44.5 mm height make it suitable for installation in standard rack and cabinet environments without occupying excessive space. The grey and violet color scheme helps identify multimode ports and simplifies cable management in multi-vendor setups.
Suitable for
 Rack-mounted patch panels and fiber distribution frames
 Structured cabling in data centers and server rooms
 Local area network (LAN) fiber links using multi-mode LC connectors
 Telecommunications and network equipment interconnects
Key specifications
 Connector type: LC duplex, multi-mode compatible
 Mode: Multi-mode fiber support
 Color coding: Grey with violet marking for multimode identification
 Width: 483 mm (rack-compatible)
 Depth: 244 mm
 Height: 44.5 mm (low-profile)
 Mounting: Designed for rack or panel installation
How to use
Install the adapter into the appropriate slot of a 19-inch patch panel or distribution frame, securing it according to the rack or panel manufacturer's instructions. Insert LC multi-mode fiber connectors into the adapter until they click into place, ensuring clean connector end-faces before mating to minimize insertion loss. Route fiber cables with appropriate bend radius and secure them with cable management accessories to prevent stress on the adapter and connectors. Perform optical testing after installation to verify continuity and acceptable loss levels.
Usage recommendations
Inspect and clean connector end-faces before each connection using approved fiber cleaning tools. Avoid tight bends and mechanical stress on fiber cables; follow multimode fiber bend radius guidelines. For consistent identification in mixed environments, use the grey/violet coding to separate multi-mode links from single-mode infrastructure. Verify optical performance with a power meter or OTDR after installation to confirm link quality.

## Specifications

| Feature | Value |
|---|---|
| Height | 44.5 mm |
| Width | 483 mm |
| Depth | 244 mm |
| Product colour | Grey, Violet |
| Housing material | Metal |
| Connector type | LC |
| Fiber mode structure | Multi-mode |
| Number of connectors | 12 |
| Category | OM4 |
| Duplex | Yes |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the fibre optic adapter EFB Elektronik B71901L12OM4 cost, and is it available for purchase?

The price is 87.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 54 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 24.07.2026 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. 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

## Image

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