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Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
Black Box LMC1003A-R3 Gigabit Ethernet Media Converter
Overview
The Black Box LMC1003A-R3 is a 1000-MBPS media converter designed to bridge the gap between copper Ethernet cabling and multi-mode fiber optic infrastructure. This device is critical for extending network distances beyond the 100-meter limit of standard Cat5e/Cat6 cables, enabling reliable data transmission for surveillance systems, industrial automation, and other B2B applications where network reach is a constraint. Its compact form factor allows for easy integration into existing network closets or directly at the edge of a network.
Compatibility
This converter is designed to interface with standard 1000-MBPS (Gigabit Ethernet) RJ45 ports found on network switches, cameras, and other IP devices. It specifically supports multi-mode fiber optic connections, making it compatible with multi-mode fiber patch panels and network infrastructure. It functions as a transparent bridge, meaning it does not require specific software configuration and is compatible with any network device that adheres to Gigabit Ethernet standards.
Installation Notes
Installation involves connecting a standard Ethernet cable (Cat5e or higher) to the RJ45 port and a multi-mode fiber optic cable (SC connector) to the fiber port. The converter draws power from an external power adapter (included). Ensure the operating environment is within the specified temperature range to maintain optimal performance. No complex network configuration is required; it operates at Layer 1 of the OSI model.
What's in the Box
- 1x LMC1003A-R3 Media Converter
- 1x External Power Adapter
Black Box Gigabit Ethernet (1000-MBPS) Media - LMC1003A-R3
Build Your Complete System
Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
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System Design, Deployment & Technical Support
Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.
Fixed scope • Fixed price
System Design Assistance
- Get help validating product compatibility
- Coverage requirements
- Storage planning and deployment architecture before you buy.
Deployment & Configuration Support
- Access fixed-scope support for rollout planning
- User setup guidance
- Migration and system standardization across single-site or multi-site deployments
Guides, Tools & Calculators
- PoE requirements
- Storage retention
- Camera selection and deployment methodology