CBO fiber optic media converter DEM-331R-BO — 1250 Mbit/s, 40,000 m reach

CBO DEM-331R-BO is a fiber optic media converter designed to bridge network interfaces over optical fiber with a data rate of 1250 Mbit/s and a maximum transmission reach of up to 40,000 m. The device converts electrical network signals to optical signals (and vice versa) to enable long-distance backbone or point-to-point links. It is intended for installations using singlemode or multimode fiber as specified during deployment and is positioned for telecom, ISP and industrial network extension scenarios where stable long-reach connectivity is required.

Advantages

The media converter supports a 1250 Mbit/s throughput while enabling optical transmission up to 40,000 m, allowing extension of network segments without the need to replace existing switching equipment. Its compatibility with singlemode and multimode fiber (depending on installation choices) provides flexibility for different cabling infrastructures. The product is suitable for creating long-distance links in backbone, distribution or point-to-point applications and helps maintain signal integrity over extended distances.

Suitable for

• Long-distance backbone links between switches or routers
• Point-to-point connections across campuses, remote buildings or substations
• Telecom and ISP distribution lines requiring optical conversion
• Industrial network extension where fibre reach and signal reliability are critical

Key specifications

• Data rate: 1250 Mbit/s
• Maximum transmission distance: up to 40,000 m (depending on fiber type and installation)
• Compatible with singlemode or multimode fiber as determined by installation
• Function: converts electrical network signals to optical signals and vice versa for long-range links

How to use

Install the DEM-331R-BO at the network termination points where electrical-to-optical conversion is required. Connect the electrical interface to the existing switch or router and terminate the fiber cable on the converter using the appropriate fiber type and connectors selected for the installation. Ensure proper fiber type (singlemode or multimode) and attenuation budget for the target distance. Verify link status via the device indicators and perform end-to-end tests to confirm throughput and signal integrity after installation.

Recommendations

For reliable operation, choose the fiber type and transceiver parameters that match the target distance and installation environment, maintain clean fiber connectors, and verify the link budget including splices and connectors. Use appropriate surge protection and grounding in industrial or outdoor deployments to protect the optical links and connected equipment.