# Fiber Media Converter Ultimode M-203G single-mode media converter

**URL:** https://aio.lv/en/product--ultimode-m-203g--12057788
**Data updated:** 2026-03-12 19:41 (EET)
**Category:** Network Media Converters
**Manufacturer:** Ultimode
**Manufacturer code:** M-203G
**EAN:** 5907634548579
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 23.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ultimode-m-203g--12057788

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Single-mode fiber media converter Ultimode M-203G converts between fiber and copper Ethernet links. Designed for single-mode optical connections, it provides media conversion for network segments, enabling integration of fiber runs with Ethernet devices. Suitable for extending network distance, connecting switches or IP devices over fiber, and use in commercial or residential network installations.

## Long description

The Ultimode M-203G single-mode media converter converts between single-mode fiber and copper Ethernet, enabling integration of fiber runs into standard Ethernet networks. Designed for network segments where distance or electromagnetic immunity is a concern, this media converter supports straightforward connection of switches, routers or IP devices to single-mode optical links. The compact device is intended for use in commercial and residential installations where a reliable single-mode fiber-to-Ethernet interface is required.
Advantages
The media converter provides a stable physical layer conversion between single-mode fiber and 10/100/1000BASE-T copper Ethernet, reducing the need to replace existing network equipment. It supports long-distance links over single-mode fiber and helps maintain signal integrity in environments prone to electromagnetic interference. The unit is compact and simple to deploy, requiring minimal configuration while allowing integration of fiber optics into existing copper-based networks.
Suitable for
Extending Ethernet links over long distances using single-mode fiber
Connecting network switches and routers across fiber segments
Integrating IP cameras, access points or other Ethernet devices into single-mode fiber infrastructure
Environments requiring protection from electromagnetic interference
Key specifications
Media conversion type: single-mode fiber to copper Ethernet
Ethernet speed support: 10/100/1000 Mbps (auto-negotiation)
Fiber interface: single-mode optical port (SC/LC form factor depends on model)
Copper interface: RJ-45 10/100/1000BASE-T
Operating environment: designed for indoor network installations
Form factor: compact standalone unit suitable for desk or cabinet mounting
How to use
Connect the single-mode fiber cable to the converter's optical port and plug an Ethernet cable into the RJ-45 copper port. Power the unit with the provided power adapter and verify link/activity LEDs to confirm successful link establishment. Configure connected network devices as needed for speed and duplex settings; the converter typically negotiates link parameters automatically. For redundant or managed networks, integrate the converter into existing topologies according to standard cabling and network design practices.
Usage recommendations
The device is intended for indoor use and should be installed in a dust-free, ventilated location. Use quality single-mode fiber and compatible connectors to ensure optimal link performance. Verify fiber polarity and transceiver compatibility when connecting to other optical equipment. For critical links, consider using surge protection and proper grounding on the copper side, and follow manufacturer guidelines for operating temperature and power requirements.

## FAQ

### How much does the Ultimode M-203G single-mode fiber media converter cost, and is it available for purchase?

The price is 27.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 27 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 03.07.2026 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 Ultimode 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 Ultimode 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/12057788/67543631_large.webp