# Fiber optic LC loopback adapter ACT 850 nm multimode

**URL:** https://aio.lv/en/product--act-ea9003--1040949
**Data updated:** 2026-01-06 11:03 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** ACT
**Manufacturer code:** EA9003
**EAN:** 8716065258073
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 22.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--act-ea9003--1040949

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

The ACT Fiber optic LC loopback adapter is designed for multimode applications at 850 nm. It features LC connectors and is RoHS certified. With dimensions of 40 x 12.4 x 8.6 mm, it is compact and easy to integrate into existing setups. This adapter is ideal for testing and troubleshooting fiber optic networks, providing reliable performance and ensuring signal integrity.

## Long description

The ACT Fiber optic LC loopback adapter is designed for multimode applications at 850 nm. It features LC connectors and RoHS certification, with compact dimensions of 40 x 12.4 x 8.6 mm for easy integration into existing fiber setups. The adapter is intended for testing and troubleshooting fiber optic networks and helps verify signal paths and port functionality.
Advantages
The adapter provides a compact, standardized LC loopback solution for multimode 850 nm environments, enabling quick verification of transceiver ports and fiber link continuity. RoHS certification ensures compliance with hazardous-substance regulations. Its small size simplifies storage and deployment in lab or field testing scenarios.
Suitable for
Testing multimode 850 nm transceivers
Loopback diagnostics in data centre and telecom equipment
Port verification during installation and maintenance
Key specifications
Connector type: LC
Mode / wavelength: Multimode, 850 nm
Certification: RoHS
Dimensions: 40 x 12.4 x 8.6 mm
Brand / MPN / EAN: ACT / EA9003 / 8716065258073
How to use
Insert the LC loopback adapter into the LC port of the device or transceiver to be tested, ensuring proper alignment of the connector. Use the adapter to create a closed loop for transmitter/receiver verification or to confirm port continuity. Remove the adapter after testing and store it in a protective case to avoid contamination of the ferrule.
Usage recommendations
Clean connector endfaces before use and handle the adapter by the housing to avoid touching the ferrule. Use in accordance with multimode 850 nm system specifications and store in a dust-free environment when not in use.

## Specifications

| Feature | Value |
|---|---|
| Dimensions (WxDxH) | 40 x 12.4 x 8.6 |
| Certification | RoSH |
| Operating temperature (T-T) | -40 - 75 |
| Height | 8.6 mm |
| Connector(s) | LC |
| Width | 40 mm |
| Depth | 12.4 mm |
| Product colour | Black |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Fiber optic LC loopback adapter ACT 850 nm cost, and is it available for purchase?

The price is 27.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 19 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 15.07.2026 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 ACT 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 ACT 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/1040949/57869010_large.webp