The 4xRJ45 to 4xSFP Copper to Fiber Media Converter is a professional-grade network device that extends high-speed Ethernet networks through optical fiber over long distances. It is designed for use in very demanding applications, including: FTTH, FTTB, FTTX, campus networks, and video surveillance, requiring stable, high-bandwidth connections.
Robust Design and Versatile Connectivity
The 4xRJ45 to 4xSFP Copper to Fiber Media Converter features four copper RJ45 ports for 10/100/1000Mbps network connections and four Gigabit SFP ports for optical fiber connections. This combination of interfaces creates many options for network aggregation, cascading, or remote data transmission. Additionally, the device automatically adapts to either copper or fiber media in full-duplex mode to maintain a continuous flow of data between the copper and fiber connections. The standard SFP slots make the device compatible with a large number of SFP transceivers, making it flexible to be configured for single-mode or multi-mode fiber connections.
The media converter supports single-fiber, single-wavelength communication with a default distance of up to 20 km. For larger deployments, the distance may be extended to 40 km, 60 km, 80 km, 100 km, or up to 120 km by using appropriate transceivers and fiber cables. The device supports both TX 1310 nm and RX 1550 nm wavelengths, providing stable long-distance transmission with little or no degradation of the optical signal.
Performance and Stability
This high-throughput converter features a 16 Gbps backplane bandwidth as well as an 11.92 Mpps packet inspection and forwarding capability, allowing multiple ports to transfer large amounts of information at the same time. The converter employs our high-accuracy domestic chipset, designed and manufactured using cutting-edge process controls, which provide reduced latencies, power consumption, and outstanding resistance to outside disturbance. We guarantee consistent data transfers even under extremely high loads or when subjected to electromagnetic interference (EMI) or other conditions that have traditionally been problematic for telecommunications systems. Built-in optical modules with ceramic ferrules and advanced backlit detection technology help to minimize bit error rates while providing high-quality signal integrity during long transmission periods. Utilizing our state-of-the-art heat dissipation techniques, we are able to assure stable operation and prolonged useful life for our converters.
Easy Deployment and Adaptability
For ease of installation, this device supports true plug-and-play functionality and requires no additional configuration or elaborate setup process; simply connect the device via fiber optic cable and network cable, and the device will automatically detect the relevant network parameters. This makes it an excellent choice for use in both enterprise IT environments as well as field installations such as video surveillance systems and building interconnect systems.
The converter is encased in a compact, rugged metal chassis (148 × 98 × 28 mm), which provides protection against electromagnetic interference while also providing structural support. The converter operates at full capacity within a temperature range of -30 °C to 70 °C, providing consistent performance in both very hot weather conditions in outdoor cabinets and very cold temperatures in data centers or servers.
Certified Power Supply and Protection
Reliability of power is another area of concern with the converter’s use of a CCC certified DC 5V power supply with overload, overvoltage, and short-circuit protection. With the use of flame-retardant material and properly designed circuits, the converter is protected from damage caused by irregular power conditions and will provide reliable long-term operation.
Applications
The converter has a wide range of professional and industrial networking applications, including:
• Networks for access (FTTH / FTTB / FTTX)
• City monitoring or building security with IP surveillance
• Long-distance fiber backbone connections for residence and campus area networks
• Broadcast/multimedia transmission
• Government/education LAN expansions/ISP infrastructure and internet cafes
In all of these instances, the converter provides smooth, stable, and reliable data transfer with minimal downtime. Combining years of energy-efficient design and affordability makes the converter a highly scalable solution for the modern gigabit fiber optic network.
Customization Options
A user can select from four types of interfaces (SC, LC, FC, or ST), depending on specific installation requirements. Users may also specify the distance that a transmission will travel via single-mode fiber (up to 120 kilometers) or multi-mode fiber (up to 550 meters). This flexibility allows for installation in various environments, from local wiring closets to wide-area network extension applications, and thus has a wide range of application types.
Commitment to Quality
Each unit has undergone rigorous production testing to assure quality and has been certified by CE, RoHS, FCC, and CCC. Each unit is covered by a 3 year warranty against defects in both material and workmanship, thereby providing users with confidence in their purchase. Custom OEM branding and packaging options are available, allowing users to customize the unit to meet the specific needs of their business. The combination of precision engineering, dependable power management, and significant flexibility in design makes the 4xRJ45 to 4xSFP Gigabit Media Converter an indispensable part of advanced fiber-optic networking for both system integrators and engineers, as it enables seamless upgrades of copper-based infrastructures to high-performance optical backbones without incurring the costs associated with rewiring.
Technical Specifications
| Item | Description |
| Product Type | Copper to Fiber Media Converter |
| Model Number | 1000M 4 SFP + 4 RJ45 Optical Switch |
| Network Standards | 10/100/1000Base‑T, 1000Base‑X |
| RJ45 Ports | 4 × 10/100/1000 Mbps adaptive |
| SFP Ports | 4 × Gigabit optical (LC/SC interface optional) |
| Transmission Distance | 20 km standard, customizable up to 120 km |
| Wavelength | TX 1310 nm / RX 1550 nm |
| Fiber Type | Single‑mode (20–120 km) / Multi‑mode (550 m) |
| Backplane Bandwidth | 16 Gbps |
| Packet Forwarding Rate | 11.92 Mpps |
| Power Supply | DC 5 V (CCC‑certified adapter) |
| Power Consumption | < 6 W |
| Working Temperature | −30 °C ~ +70 °C |
| Working Humidity | 5% ~ 90% |
| Housing Material | Metal, flame‑retardant |
| Product Size | 148 × 98 × 28 mm |
| Net Weight | About 1 kg |
| Certifications | CE, FCC, RoHS, CCC |
| Warranty | 3 years |
| Power Adapter Options | UK / US / BR / AU plugs available |
| Accessories Included | Media converter ×1, Manual ×1, Warranty card ×1, Certificate ×1 |







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