Comnet CNFE1S1B/4 10/100 Mbps Ethernet Electrical to Optical Media Converter for Internal Mounting
SKU
CNFE1S1B/4
Model No
CNFE1S1B/4
was $729.00 Special Price $698.00
Product Highlights
- 10/100 Mbps Ethernet
- 10/100 BASE-T/TX electrical port
- 100 BASE-FX optical port
- IEEE 802.3 compliant
- Electrical port supports Auto-Negotiation for 10 Mbps or 100 Mbps, full duplex or half duplex data

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The ComNetâ„¢ CNFE1S1B/4 is an efficient Ethernet to optical media converter designed for internal mounting, enabling seamless transmission and reception of 10/100 Mbps data over single mode optical fiber. With its auto-negotiating electrical interface, rugged design for extreme temperatures, and user-friendly LED indicators, this converter ensures reliable performance and ease of use in various networking applications.
ComNet CNFE1S1B/4 Key Features
- 10/100 Mbps Ethernet: Provides fast and reliable network connectivity for enhanced data transfer speeds.
- 10/100 BASE-T/TX electrical port: Supports both 10 Mbps and 100 Mbps connections, offering versatility in network setup.
- 100 BASE-FX optical port: Enables high-speed data communication over optical fiber, promoting greater bandwidth and distance.
- IEEE 802.3 compliant: Ensures compatibility with a wide range of Ethernet devices and networks.
- Auto-Negotiation: Automatically adjusts the electrical port for optimal performance at 10 Mbps or 100 Mbps, in full duplex or half duplex mode.
- 100 Mbps full duplex optical support: Guarantees efficient data transmission and reception across the network.
- Automatic MDI/MDI-X crossover: Simplifies installation by eliminating the need for crossover cables.
- Distance capability: Supports distances up to 20 km (12 miles) over single mode fiber, ideal for long-range applications.
- SC optical connector: Provides a secure connection for reliable fiber optics integration.
- 1 fiber design: Optimizes fiber usage while minimizing costs and installation complexity.
- No in-field optical adjustments required: Facilitates easy installation and maintenance without specialized equipment.
- LED Indicators: Allows quick assessment of operating status for immediate troubleshooting.
ComNet CNFE1S1B/4 Specifications
| Port Type | 10/100 BASE-T/TX electrical / 100 BASE-FX optical |
| Electrical Interface | Auto-Negotiation for 10/100 Mbps |
| Optical Performance | 100 Mbps full duplex |
| Maximum Distance | 20 km (12 miles) over single mode |
| Connector Type | SC optical connector |
| Compliance | IEEE 802.3 |
| Operating Temperature | Environmentally hardened for extreme conditions |
| Size | Internal mount, no metal enclosure |
| Adjustment Requirements | No in-field adjustments needed |
| LED Indicators | For operating status monitoring |
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