TP-LINK FC311B-2 Gigabit WDM Media Converter - 1 x RJ-45 - 1 x SC Duplex - Single-mode Fiber 1310/1550 nm - 2 km
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Product Features
Technical Overview
The FC311B-2 delivers robust performance with a maximum data transfer rate of 1000 Mbit/s, supporting network technologies including 10/100/1000Base-T, 100Base-TX, and 1000Base-TX. Its RJ-45 port features auto-negotiation for speed and duplex mode, along with Auto-MDI/MDIX to eliminate the need for crossover cables. The SC duplex port is engineered for single-mode fiber, with core/cladding specifications of 9/125 µm, ensuring reliable signal integrity over extended distances.
This media converter employs WDM technology, which allows bidirectional communication over a single fiber by using different wavelengths for transmit and receive signals. This approach reduces fiber count and simplifies deployment in space-constrained installations. The device supports media types of twisted pair and optical fiber, providing flexibility in network design and integration.
Key Product Advantages
The FC311B-2 offers distinct advantages for network expansion and fiber integration. Its WDM technology enables efficient use of fiber resources by transmitting and receiving data on a single strand, which lowers cabling costs and simplifies infrastructure. The converter extends network reach significantly, supporting distances up to 2 kilometers, making it ideal for connecting remote buildings or extending backbone links beyond copper limits.
Auto-Negotiation and Compatibility
The RJ-45 port automatically negotiates speed and duplex mode, while Auto-MDI/MDIX ensures hassle-free connectivity without special cables. This plug-and-play functionality reduces setup time and minimizes configuration errors.
- 10/100/1000 Mbps auto-negotiation
- Auto-MDI/MDIX support
- Half/Full duplex auto-negotiation
Compact and Versatile Design
With a small footprint and dual form factor support, this converter fits easily into various deployment scenarios. It can be used as a standalone unit or rack-mounted in standard enclosures, offering flexibility for different installation needs.
- Standalone or rack-mountable
- Compact dimensions
- Low power consumption
Deployment / Use Cases
This media converter is well-suited for scenarios where extending network distance or integrating fiber optic cabling is required. Common applications include connecting network switches in separate buildings across a campus, linking data centers with remote server rooms, or integrating fiber backbones into existing copper-based office networks. Its support for single-mode fiber makes it effective for long-distance runs where signal loss must be minimized.
In industrial environments, the converter can bridge Ethernet devices to fiber optic networks for improved noise immunity and reliability. It is also useful in surveillance systems, where cameras with RJ-45 outputs need to connect over long distances to network video recorders via fiber. The rack-mountable option allows for tidy installations in server racks or network closets, while the standalone form factor supports quick deployments in temporary or ad-hoc setups.
Campus Network Extension
Extend Gigabit Ethernet connections between buildings up to 2 km apart, leveraging single-mode fiber for reliable, high-speed data transfer without signal degradation.
Data Center Connectivity
Integrate fiber optic links into copper-based network segments, enabling seamless connectivity between servers, switches, and storage devices across different media types.
Physical Profile
The FC311B-2 features a compact and durable design with dimensions of 1.06 inches in height, 3.72 inches in width, and 2.87 inches in depth (27 x 94.50 x 73 mm). Its small form factor makes it easy to deploy in space-constrained locations, such as network cabinets, wall mounts, or desktop setups. The converter supports both standalone and rack-mountable configurations, providing flexibility for various installation preferences. The build quality ensures reliable operation in typical office or light industrial environments, with a focus on stable performance and easy integration.
- Width
- 3.72" (94.50 mm)
- Depth
- 2.87" (73 mm)
- Height
- 1.06" (27 mm)
- Length
- 1310 nm,1550 nm
What's in the Box
The package includes all necessary components for immediate deployment and operation.
Highlights
- Converts between RJ-45 Ethernet and SC duplex single-mode fiber
- Supports Gigabit Ethernet speeds up to 1000 Mbit/s
- Uses WDM technology for bidirectional data on a single fiber
- Extends network distance up to 2 kilometers
- Operates at 1310 nm and 1550 nm wavelengths
- Auto-negotiation for speed, duplex, and MDI/MDIX
- Compact design, standalone or rack-mountable
- Includes power adapter and installation guide
Specifications
| Specifications | |
|---|---|
| Manufacturer | TP-LINK Technologies Co., Ltd |
| Manufacturer Part Number | FC311B-2 |
| Brand Name | Omada |
| Product Model | FC311B-2 |
| Product Name | Gigabit WDM Media Converter |
| Product Type | Transceiver/Media Converter |
| Interfaces/Ports | |
| Total Number of Ports | 2 |
| Network (RJ-45) | Yes |
| Number of Network (RJ-45) Ports | 1 |
| Number of SC Ports | 1 |
| SC Port Type | Duplex |
| Media & Performance | |
| Media Type Supported | Twisted Pair,Optical Fiber |
| Fiber Mode Supported | Single-mode |
| Fiber Optic Cable Wavelength | 1310 nm,1550 nm |
| Maximum Data Transfer Rate | 1000 Mbit/s |
| Maximum Distance Supported | 2 km (1.24 Mile) |
| Fiber Optic Cable Core/Cladding Specification | 9/125 µm |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Network Technology | 10/100/1000Base-T,100Base-TX,1000Base-TX |
| Physical Characteristics | |
| Form Factor | Standalone,Rack-mountable |
| Height | 1.06" (27 mm) |
| Width | 3.72" (94.50 mm) |
| Depth | 2.87" (73 mm) |
| Miscellaneous | |
| Package Contents | Gigabit WDM Media Converter Power Adapter Installation Guide |
User Manual
FAQ
What types of fiber does this media converter support?
The FC311B-2 supports single-mode fiber with a core/cladding specification of 9/125 µm. It is compatible with optical fiber cables using SC duplex connectors and operates at wavelengths of 1310 nm and 1550 nm, making it suitable for long-distance applications up to 2 kilometers.
How does the WDM technology work in this converter?
Wavelength Division Multiplexing (WDM) technology allows the converter to transmit and receive data over a single fiber strand by using different wavelengths for each direction. This reduces the need for separate fibers for transmit and receive signals, optimizing fiber usage and simplifying cabling in network deployments.
What is the maximum distance supported by this media converter?
This media converter supports a maximum distance of 2 kilometers (approximately 1.24 miles) over single-mode fiber. This extended reach makes it ideal for connecting network segments across buildings or campuses where copper cabling would be insufficient due to distance limitations.
Can this converter be rack-mounted?
Yes, the FC311B-2 supports both standalone and rack-mountable form factors. Its compact dimensions allow for easy installation in standard network racks, providing flexibility for organized deployments in server rooms or network closets alongside other equipment.
Does the RJ-45 port support auto-negotiation?
Yes, the RJ-45 port features auto-negotiation for speed (10/100/1000 Mbps) and duplex mode (half/full duplex). It also includes Auto-MDI/MDIX, which automatically detects and adjusts for straight-through or crossover cables, ensuring plug-and-play connectivity without manual configuration.
What is included in the package with this media converter?
The package includes the Gigabit WDM Media Converter unit, a power adapter for operation, and an installation guide. These components provide everything needed for setup and immediate use in converting between copper Ethernet and fiber optic connections.
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