MX 10/100 Base TX & 100 Base FX 2 Fiber One UTP 3 Port Mini Switch Bridge Dual Core Media Converter SC 20KM Single Mode MX-2851D
The MX-2851D Fiber Media Converter is a compact networking solution designed to connect copper-based Ethernet devices with fiber optic networks. Featuring one UTP Ethernet port and two fiber ports, this 3-port mini switch bridge enables efficient data transmission across compatible network infrastructures. With support for single-mode fiber distances of up to 20 km, it is suitable for enterprise networks, commercial buildings, telecommunications infrastructure, and campus connectivity projects. Its SC fiber interface and dual-fiber architecture make it a practical choice for extending Ethernet connections beyond the limitations of conventional copper cabling.
Key Features and Technical Advantages
Compliant with IEEE 802.3 and IEEE 802.3u standards, the MX-2851D supports 10Base-T, 100Base-TX, and 100Base-FX connectivity for flexible network integration. Compatible copper connections can operate over distances of up to 100 meters using supported UTP/STP cabling, while single-mode fiber extends transmission up to 20 km. Compatible dual-fiber multimode configurations can support distances of up to 2 km, depending on the installation and connected equipment.
This 10/100Mbps Ethernet to fiber converter supports data rates of 10Mbps and 100Mbps, with forwarding rates of 14,880 and 148,800 packets per second, respectively. Full wire-speed conversion helps maintain efficient data transfer between copper and optical interfaces. IEEE 802.3x flow control in full-duplex mode helps regulate network traffic and reduce congestion during data transmission.
Flexible Installation and Convenient Maintenance
Designed for straightforward integration, the MX-2851D offers DIN rail and panel mounting options for compatible cabinets, control panels, and networking installations. Its compact form factor helps optimize space in equipment enclosures, while low power consumption supports energy-efficient network deployment.
The built-in loopback test function assists technicians in checking connectivity and troubleshooting network issues during installation or routine maintenance. With an operating temperature range of 0°C to 50°C and non-condensing relative humidity of 5% to 80%, the device is suited to indoor and controlled industrial environments within its specified operating conditions.
Applications of the MX-2851D
This single-mode fiber media converter is suitable for enterprise LAN expansion, industrial Ethernet connectivity, office networking, telecommunications, and commercial building infrastructure. It helps connect compatible Ethernet equipment across long-distance fiber links, making it useful for installations where standard copper cabling cannot provide the required reach.
Why Choose the MX-2851D from ITGLOBAL?
Combining 20 km single-mode transmission, an SC optical interface, flexible mounting, flow control, and diagnostic functionality, the MX-2851D provides a versatile option for copper-to-fiber network conversion. Its compact design and support for established Ethernet standards make it a practical addition to compatible network expansion projects.
Choose ITGLOBAL for dependable networking solutions. Contact our team to confirm product availability, interface compatibility, and installation requirements for your network.

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