# Fibre optic adapter SC/UPC Qoltec 54142 single-mode blue, 1 pc

**URL:** https://aio.lv/en/product--qoltec-54142--501036
**Data updated:** 2026-03-07 10:53 (EET)
**Category:** RJ Plugs & Boots
**Manufacturer:** QOLTEC
**Manufacturer code:** 54142
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 16.49 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 13.63 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-54142--501036

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

Qoltec 54142 is a single-mode fibre optic adapter with SC/UPC connector interface, supplied in blue color. Designed for joining SC/UPC terminated single-mode fibers, it comes as a single unit in a polybag. Suitable for fibre patch panels, splice enclosures and network repairs where precise single-mode alignment is required.

## Long description

Qoltec 54142 is a single-mode fibre optic adapter with an SC/UPC connector interface in blue finish. It is designed to join two SC/UPC terminated single-mode fibres, providing a stable optical path in patch panels, splice enclosures and repair scenarios. Supplied as a single unit in a polybag, this adapter supports precise single-mode alignment and straightforward integration with fibre patchcords used for high-speed data transmission.
Advantages
The adapter offers low insertion loss and stable mating characteristics for single-mode links. Its SC/UPC interface ensures reliable ferrule alignment and low back-reflection, while the robust housing and openable clips enable easy assembly, disassembly and maintenance. The compact blue design is compatible with standard SC ports and facilitates identification in mixed cabling environments.
Suitable for
 Joining two SC/UPC single-mode patchcords
 Installation in fibre patch panels and splice enclosures
 Field repairs and temporary fibre connections
 LAN, WAN and telecommunication links requiring single-mode transmission
Key specifications
 Connector type: SC/UPC
 Fiber mode: Single-mode
 Colour: Blue
 Quantity: 1 piece, loose in polybag
 Housing: Standard SC form factor with clipable retention
How to use
Align the SC/UPC ferrules of each single-mode patchcord with the adapter ports and insert until the retention clips engage. Ensure connectors are clean and free of dust or debris before mating to minimize insertion loss and back-reflection. For disconnection, depress the clip and withdraw the connector straight out to avoid damaging the ferrule. Use dust caps when the adapter is not in service to protect the mating faces.
Usage recommendations
For optimal performance, inspect and clean connector end faces with appropriate fibre cleaning tools prior to connection, avoid excessive bending or mechanical stress at the cable entry, and use the adapter within its intended single-mode optical links. In installations within cable ducts or conduits, route duplex cables with minimal compression to preserve mechanical integrity.

## Specifications

| Feature | Value |
|---|---|
| Fiber mode structure | Single-mode |
| Number of connectors | 2 |
| Duplex | Yes |
| Ferrule material | Ceramic |

### Packaging content

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Technical details

| Feature | Value |
|---|---|
| Housing material | Acrylonitrile butadiene styrene (ABS) |
| Connector type | SC/UPC |

### Packaging data

| Feature | Value |
|---|---|
| Package type | Polybag |

### Features

| Feature | Value |
|---|---|
| Product colour | Blue |

## FAQ

### How much does the Fibre optic adapter SC/UPC Qoltec 54142 cost, and is it available for purchase?

The price is 16.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 30.06.2026 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 QOLTEC 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 QOLTEC 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/501036/54560338_large.webp