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Transition J/FE-CF-03 Just Convert-IT 100BFX ST 100BFX UTPFiber
- Converts between 100Base-TX (copper) and 100Base-FX (fiber) network standards.
- Features ST fiber optic connectors.
- Supports 100 Mbps Fast Ethernet speeds.
- Designed for multimode fiber applications.
- Extends network distance significantly beyond UTP limits.
- Provides immunity to electromagnetic interference (EMI).
- LED indicators for network status monitoring.
- Compact form factor for easy deployment.
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Key specifications
See full specs ↓- Model
- J/FE-CF-03
- Interface Type
- UTP to Fiber
- Copper Port Speed
- 100 Mbps (Fast Ethernet)
- Fiber Port Speed
- 100 Mbps (Fast Ethernet)
- Copper Connector
- RJ45
- Fiber Connector
- ST
Product details
The Transition J/FE-CF-03 Just Convert-IT is a Fast Ethernet media converter that facilitates the connection between 100Base-TX (UTP copper) and 100Base-FX (fiber optic) networks. It is designed to extend network reach and provide robust connectivity in diverse environments.
Technical Information
| Model | J/FE-CF-03 |
| Interface Type | UTP to Fiber |
| Copper Port Speed | 100 Mbps (Fast Ethernet) |
| Fiber Port Speed | 100 Mbps (Fast Ethernet) |
| Copper Connector | RJ45 |
Additional Specifications
| Fiber Connector | ST |
| Fiber Type | Multimode (FX) |
| Max Fiber Distance | 2 kilometers (2000 meters) |
| Wavelength | 1310 nm |
| Power Input | External Adapter |
Description
The Transition J/FE-CF-03, part of the Just Convert-IT series, is a dedicated Fast Ethernet media converter engineered to bridge the gap between copper and fiber optic network segments. This device allows for the seamless integration of legacy UTP (Unshielded Twisted Pair) Ethernet infrastructure with the advantages of fiber optic cabling, such as extended transmission distances and immunity to electromagnetic interference. It operates at the 100 Mbps speed, making it suitable for networks that do not require Gigabit speeds but benefit from the robustness and reach of fiber. The converter supports the 100Base-TX standard on its copper interface, utilizing a standard RJ45 connector. For the fiber optic connection, it employs ST connectors, a common and reliable bayonet-style connector widely used in fiber optic networks. The J/FE-CF-03 is designed for multimode fiber (MMF) applications, specifically adhering to the 100Base-FX specification. This allows for data transmission over multimode fiber optic cables up to a distance of 2 kilometers (2000 meters), significantly outperforming the typical 100-meter limit of UTP Ethernet cables. This media converter is an essential tool for network expansion and upgrades, enabling connectivity across larger facilities, between buildings, or in environments with high EMI levels. It typically includes status LEDs for power, link activity, and data transmission, providing essential diagnostic information. The compact design facilitates easy installation in various network closets or equipment racks. The Transition J/FE-CF-03 is powered by an external power adapter, ensuring straightforward power management.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
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