1111GB

Overview

The Greenlee Communications 1111GB is a Gigabit Ethernet media converter designed to bridge copper and fiber optic networks. It features one RJ-45 port for 10/100/1000BASE-T connections and one SC fiber optic port supporting 1000BASE-X standards. The device enables seamless integration between standard twisted-pair cabling and single-mode or multi-mode fiber infrastructure, facilitating extended transmission distances beyond the limits of copper wiring while maintaining Gigabit data rates.

Feature Summary

• Converts Gigabit Ethernet signals between copper RJ-45 and fiber optic interfaces
• Supports full-duplex operation on both electrical and optical ports
• Enables long-distance network extension using fiber optic cabling

Applications

• Extending Gigabit Ethernet connections over fiber optic infrastructure
• Connecting copper-based network segments to fiber backbone networks
• Industrial automation environments requiring isolated fiber links

Procurement Notes

Verify that the specific fiber optic module or transceiver required matches the wavelength and distance specifications of your existing fiber plant. Confirm whether the unit includes the necessary power adapter and mounting hardware as per the manufacturer's current packaging configuration. Ensure compatibility with your network switch SFP or fixed fiber port types before purchase.

Selection Notes

Select this model when a direct conversion between Gigabit copper and fiber is required without routing through a managed switch. Consider the fiber type (single-mode vs. multi-mode) supported by the optical interface to match your cabling. Evaluate environmental ratings if deployment occurs in uncontrolled industrial settings compared to standard office environments.

Part Context

This component belongs to the category of Ethernet media converters, specifically those handling Gigabit speeds. It serves as a passive or active bridge allowing legacy copper devices to communicate over fiber networks. Such devices are critical in hybrid network architectures where distance limitations of Cat5e/Cat6 cables necessitate fiber uplinks.

Replacement Considerations

Direct replacements must support identical 10/100/1000BASE-T and 1000BASE-X standards with compatible SC connectors. Verify physical form factor and power requirements if space constraints exist. Cross-reference pinouts and auto-negotiation behaviors to ensure seamless interoperability with existing network gear.