Black Box LMC4004A
Gigabit Ethernet Single-Mode Micro Mini Media Converter – Ultra-Compact Fiber Solution
The Black Box LMC4004A is a highly portable micro mini media converter that seamlessly bridges copper Ethernet and single-mode fiber networks. Designed for versatility, it’s perfect for field deployments, desktop expansions, and any setup that benefits from fiber reaches in tight spaces or without easy access to power.
Features :
The LMC4004A accommodates 10/100/1000BASE-T (copper) and 1000BASE-X (single-mode fiber) interfaces, offering flexible connectivity in mixed media environments. It utilizes an SC duplex connector for fiber and negotiates link speed and duplex automatically for a hassle-free setup. Its plug-and-play functionality ensures quick deployment without complex configuration requirements.
Advanced Options :
Ideal for remote connections, it supports a range of up to approximately 7.46 miles (12 km) over single-mode fiber, making it suitable for long-distance network extensions in enterprise and remote scenarios. Its pocket-sized form factor allows for easy portability—it’s roughly the size of a house key and weighs just 2.5 ounces. USB power adds flexibility when AC outlets aren’t available, and the included adapter offers versatility for different environments.
Product Key Features
- Converts 10/100/1000 Mbps copper to 1000 Mbps single-mode fiber
- Supports single-mode fiber transmission up to ~7.46 miles (12 km)
- Exceptionally compact (2.3″ × 1.8″ × 0.8″) and ultra-lightweight (2.5 oz)
- USB-powered for mobile use; includes AC power adapter
- Jumbo frame support up to 10,240 bytes
- Plug-and-play with auto-negotiation and LED status indicators
Reliability & Performance :
Built for dependability, the LMC4004A includes energy-saving auto-shutdown when USB-powered and the host is turned off. It supports jumbo Ethernet frames up to 10,240 bytes, improving network efficiency. The unit is RoHS, WEEE, and TAA compliant, and is backed by a 2-year warranty—making it trustworthy for both professional and government applications.
Key Features :
- Gigabit Ethernet to single-mode fiber conversion
- Single-mode fiber reach up to ~7.46 miles (12 km)
- Ultra-compact size: 2.3 × 1.8 × 0.8 inches, 2.5 oz weight
- Dual power options: USB or included AC adapter
- Jumbo frame support up to 10,240 bytes
- LED indicators for power, copper, and fiber status
- RoHS, WEEE, and TAA compliant with 2-year warranty





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