# Optical Fiber Loopback Adapter DeLOCK 86921

**URL:** https://aio.lv/en/product--delock-86921--4115661
**Data updated:** 2026-01-06 11:15 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** DELOCK
**Manufacturer code:** 86921
**EAN:** 4043619869213
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--delock-86921--4115661

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The DeLOCK Optical Fiber Loopback Adapter SC / OM1 Multi-mode in beige is designed for testing and diagnostics. It features SC connectors, a multi-mode fiber mode structure, and dimensions of 25 mm width, 65 mm depth, and 11 mm height. This adapter is ideal for network engineers and technicians needing reliable loopback connections for performance testing.

## Long description

The Optical Fiber Loopback Adapter DeLOCK 86921 is a compact SC-type loopback designed for testing and diagnosing multi-mode fiber optic links. It connects SC ports to form a loopback path so transmission and signal integrity of OM1 multi-mode fibers can be measured. The adapter has a beige housing and small footprint (25 mm × 65 mm × 11 mm) for convenient placement in test environments.
Advantages
This loopback adapter provides a standard SC interface for straightforward connection to equipment and test instruments. Its OM1 multi-mode compatibility permits accurate assessment of short-distance multimode links. The compact dimensions and durable construction make it easy to carry and position during field testing or in the lab without occupying much space.
Suitable for
Testing and diagnostics of fiber optic ports with SC connectors
Measuring transmission and signal integrity on OM1 multi-mode links
Network engineering and maintenance tasks requiring loopback verification
Key specifications
Brand: DELOCK
Model / MPN: 86921
EAN: 4043619869213
Connector type: SC
Fiber mode: OM1 (multi-mode)
Dimensions (W × D × H): 25 mm × 65 mm × 11 mm
Colour: Beige
How to use
Insert the SC connector of the loopback adapter into the SC port of the device or test equipment until it clicks into place, creating a looped optical path. Use your optical power meter, light source, or other diagnostic tools to measure transmission, return loss, or other signal parameters across the loopback. Remove the adapter by gently releasing the connector when testing is complete.
Usage recommendations
Store the adapter in a clean, dry place and keep connector end faces covered when not in use to avoid contamination. Use appropriate cleaning tools prior to connecting if dust or debris is present. Ensure the adapter is matched to OM1 multi-mode ports to obtain valid test results.

## Specifications

| Feature | Value |
|---|---|
| Height | 11 mm |
| Width | 25 mm |
| Depth | 65 mm |
| Product colour | Beige, Orange |
| Connector type | SC |
| Fiber mode structure | Multi-mode |
| Number of connectors | 1 |
| Category | OM1 |
| Duplex | Yes |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Optical Fiber Loopback Adapter DeLOCK 86921 cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 200 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 09.07.2026 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 DELOCK 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 DELOCK 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 Optical Fiber Loopback Adapter DeLOCK 86921?

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/4115661/64252093_large.webp