%20Just%20Convert-IT%20Stand-Alone%20SC%2010.webp?width=1920&quality=75)
Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
Transition J/FE-CF-04(100) Just Convert-IT Stand-Alone SC 100Base-FX
- Converts 100Base-TX (RJ45) to 100Base-FX (SC) signals.
- Utilizes SC connectors for fiber optic interface.
- Supports 100 Mbps data rates.
- Standalone unit with external power supply.
- LED indicators for network status.
- Extends network reach beyond UTP limitations.
- Designed for easy plug-and-play installation.
J/FE-CF-04(100) isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Product Type
- Media Converter
- Interface Type
- 100Base-TX (RJ45) to 100Base-FX (SC)
- Fiber Connector
- SC
- Data Rate
- 100 Mbps
- Network Standard
- IEEE 802.3u Fast Ethernet
- Form Factor
- Standalone
Product details
The Transition J/FE-CF-04(100) Just Convert-IT is a standalone 100Base-FX media converter. It facilitates the conversion between 100Base-TX (UTP) and 100Base-FX (fiber optic) signals, enabling network extension over longer distances.
Technical Information
| Product Type | Media Converter |
| Interface Type | 100Base-TX (RJ45) to 100Base-FX (SC) |
| Fiber Connector | SC |
Additional Specifications
| Data Rate | 100 Mbps |
| Network Standard | IEEE 802.3u Fast Ethernet |
| Form Factor | Standalone |
Description
The J/FE-CF-04(100) from Transition Networks is a dedicated media converter designed to bridge the gap between copper Ethernet (100Base-TX) and fiber optic (100Base-FX) networks. This device is essential for extending the reach of Fast Ethernet networks beyond the typical 100-meter limit imposed by UTP cabling. By converting electrical signals to optical signals, it enables reliable data transmission over significantly longer distances, making it suitable for inter-building connections or campus-wide networks. This converter features a standard RJ45 connector for the 100Base-TX interface, allowing connection to standard Ethernet switches or network interface cards. The fiber optic side utilizes SC connectors, which are known for their durability and ease of use, providing a secure connection for multimode fiber optic cable. The device operates at a data rate of 100 Mbps, adhering to the IEEE 802.3u Fast Ethernet standard, ensuring compatibility with most modern network equipment. As a standalone unit, the J/FE-CF-04(100) is powered by an external AC adapter and is designed for simple plug-and-play operation. It includes status LEDs that provide visual feedback on power, link status, and activity for both the copper and fiber interfaces, aiding in quick diagnostics. This media converter is an economical and effective solution for network expansion projects requiring the benefits of fiber optic connectivity.
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.
Buying 10+ units?
Get volume pricing and availability for J/FE-CF-04(100).




%20100BFX%20Stand-Alone%20SC%20100BFX.webp?width=1920&quality=75)
-NA%20Media%20Converter%202%2020km%20100BTX1.webp?width=1920&quality=75)