Comnet CNMC4SFP ComFit Quad 10/100/1000Mbps Ethernet Media Converter
SKU
CNMC4SFP
Model No
CNMC4SFP
$1,930.04
Product Highlights
- Full-duplex transmission of 10/100/1000 Mbps Ethernet
- IEEE 802.3 compliant
- 10/100/1000 BASE-TX port supports auto-negotiation and automatic MDI/MDI-X crossover for full and half-duplex operation
- Uses customer-installed ComNet SFPs for compatibility with a wide range of optical fibers, optical connector types, and optical transmission distances of up to 120 km
- Designed for installation in harsh out-of-plant/unconditioned industrial or roadside operating environments (-40º to +75ºC ambient). Fully compliant with the environmental

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The CNMC4SFP from Comnet is a versatile electrical-to-optical Ethernet media converter designed to effortlessly convert 10/100 or 1000 Mbps electrical inputs into 100 or 1000 Mbps optical outputs, and vice versa. With robust features such as auto-negotiation, compliance with IEEE 802.3 standards, and a range suited for extreme environments, this device is ideal for reliable network connections in various settings.
Comnet CNMC4SFP Media Converter Features
- Full Duplex Transmission: Supports 10/100/1000 Mbps Ethernet, ensuring seamless data transfer with -10/100/1000BASE-TX electrical ports and 1000BASE-FX or 100BASE-FX optical ports for flexibility.
- IEEE 802.3 Compliance: Guarantees reliability and compatibility across devices in the network.
- Auto-Negotiation: The 10/100/1000 BASE-TX port allows automatic MDI/MDI-X crossover for enhanced operational efficiency.
- Custom SFPs: Utilizes customer-installed ComNet SFPs enabling compatibility with diverse optical fibers and connection types, reaching transmission distances of up to 120 km.
- Harsh Environment Design: Engineered for extreme conditions, operating from -40º to +75ºC and compliant with NEMA TS-2 standards for Traffic Signal Control Equipment.
- Voltage Transient Protection: Safeguards against voltage surges on all input/output lines, ensuring the longevity of the device.
- Jumbo Frames Support: Facilitates efficient data streaming for video applications with support for frames up to 10K Bytes.
- LED Status Indicators: Bi-color LEDs provide immediate feedback on operating status for easy monitoring.
- Hot-Swappable Modules: Enables quick replacement without shutting down the system for minimal downtime.
- Compact Size Options: Available in ComFit interchangeable stand-alone or rack unit models for versatile installation.
Comnet CNMC4SFP Detailed Specifications
| Input Ports | 10/100/1000 Mbps Electrical |
| Output Ports | 100/1000 Mbps Optical (with SFPs) |
| Operating Temp | -40º to +75ºC |
| Compliance | IEEE 802.3, NEMA TS-2 |
| Supported Distance | Up to 120 km (with compatible SFPs) |
| Protection | Voltage transient protection |
| Jumbo Frame Support | Up to 10K Bytes |
| Size | Small-size, ComFit design |
| Module Type | Hot-swappable rack modules |
| LED Indicators | Bi-color status indicators |
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