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Black Box LMC4004A Gigabit Ethernet Micro Mini Media Converter
- Gigabit Ethernet media conversion (10/100/1000Base-T to 1000Base-X).
- Compact 'Micro Mini' form factor.
- Supports SFP transceivers for flexible fiber connectivity.
- Auto-negotiation on the copper port.
- Link fault pass-through (LFP) functionality.
- Powered via USB or external power adapter.
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Product Overview
The Black Box LMC4004A is a Gigabit Ethernet Micro Mini Media Converter that converts 10/100/1000Base-T copper connections to 1000Base-X fiber optic connections. It is designed for compact deployments and supports various fiber types and connectors.
Technical Information
| Product Type | Gigabit Ethernet Media Converter |
| Brand | Black Box |
| Model | LMC4004A |
| Copper Port | 1x 10/100/1000Base-T RJ45 |
Additional Specifications
| Fiber Port | 1x SFP Slot (for 1000Base-X) |
| Fiber Speed | Gigabit (1000 Mbps) |
| Power Options | USB or External Adapter |
Product Description
The Black Box LMC4004A is a compact and versatile Gigabit Ethernet media converter designed to seamlessly integrate copper and fiber optic network segments. It allows for the conversion of data between a 10/100/1000Base-T Ethernet interface, typically found on standard network devices, and a 1000Base-X fiber optic interface. This capability is crucial for extending network reach, enhancing security, and improving performance over longer distances where copper cabling is impractical. What sets the LMC4004A apart is its 'Micro Mini' form factor, making it ideal for space-constrained environments such as network closets, wall-mount enclosures, or even direct device connections. Instead of fixed fiber ports, it features an SFP (Small Form-factor Pluggable) slot, providing immense flexibility. Users can select the appropriate SFP transceiver based on their specific fiber type (multimode or single-mode), connector type (LC, SC, etc.), and required transmission distance, allowing for customized network deployments. Key features include auto-negotiation on the copper port, ensuring compatibility with various Ethernet devices, and Link Fault Pass-Through (LFP) functionality. LFP allows the converter to disable the fiber link if the copper link fails, or vice-versa, which aids in rapid fault detection and troubleshooting. The LMC4004A offers dual power options: it can be powered via a USB port, making it convenient for temporary setups or when a USB power source is readily available, or through an external power adapter for more permanent installations. This combination of compact size, flexibility, and robust features makes the LMC4004A a valuable tool for modern network infrastructure.

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