MikroTik Fiber to Copper Converter with Built-in Battery

The MikroTik RBFTC21 is a compact fiber to copper converter with a built-in battery backup. It helps keep your network link active during short power cuts. As a result, it is a smart choice for homes, offices, and small network points that need stable connectivity at a low cost.

Key Features

• Converts fiber connection to standard Ethernet
• Built-in 12 V battery for backup power
• Supports 100 Mbps Fast Ethernet over copper
• SFP port for flexible fiber module use
• PoE output on the Ethernet port
• DC jack and 2-pin terminal power input
• Compact indoor design with low power use
• Helpful for camera links, access points, and remote network devices

Product Overview

The MikroTik Fiber to Copper Converter with Built-in Battery is made for simple and reliable link conversion. It connects an SFP fiber uplink to an Ethernet device. At the same time, the built-in battery keeps the unit running if the main power drops. Therefore, connected devices can stay online for longer when power is unstable.

This model is also useful where space is limited. Because of its small size, it fits neatly into many indoor setups. In addition, it can power a compatible device through Ethernet, which helps reduce extra adapters and cable clutter.

Detailed Attributes

• Model: RBFTC21
• Product type: Fiber to copper media converter
• Fiber interface: 1 x SFP port
• Copper interface: 1 x RJ45 Fast Ethernet port
• Ethernet speed: 10/100 Mbps
• Power options: DC jack and 2-pin terminal input
• Backup power: Integrated 12 V battery
• PoE function: Passive PoE output on Ethernet port
• Use case: Fiber extension to copper device with short backup time
• Placement: Indoor use

Why Choose This Converter?

This converter offers more than basic media conversion. For example, it adds battery backup and PoE output in one compact unit. That means fewer separate parts to buy and manage. As a result, it brings strong value for budget-focused network builds.

It is a practical option for edge devices that must stay connected during brief outages. Moreover, the SFP slot gives you freedom to choose the fiber module that suits your link distance and type.

Ideal Applications

• Small office fiber handoff to Ethernet equipment
• Remote access point or IP camera connection
• Indoor network points with unstable power
• Low-cost fiber deployment projects

What’s in the Box

The package typically includes the converter unit and power accessories, depending on supply version. However, SFP modules are usually selected separately for the needed fiber link.

Warranty

This product is commonly supplied with a warranty of up to 12 months, depending on the seller.