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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 LMC212A-MM-R3 Ethernet Media Converter
Overview
The Black Box LMC212A-MM-R3 is a 10-Mbps Ethernet media converter designed to bridge the gap between copper Ethernet cabling and multimode fiber optic infrastructure. This device is crucial for extending network reach beyond the 100-meter limit of standard Ethernet cables, particularly in environments where fiber optic cabling is already deployed or required for longer distances. It's ideal for connecting legacy 10-Mbps devices or segments to a fiber backbone in industrial settings, large campuses, or older building infrastructures where upgrading the entire network to higher speeds is not feasible or necessary.
Compatibility
This converter is designed to interface with standard 10-Mbps Ethernet ports found on a wide range of network devices. It supports 10-Mbps copper Ethernet (RJ45) connections and 10-Mbps multimode fiber optic connections (SC connector). It is compatible with any network equipment that adheres to the 10BASE-T and 10BASE-FL standards, making it suitable for integration with various surveillance cameras, access control panels, or other network devices operating at this speed.
Installation Notes
The LMC212A-MM-R3 requires a separate power supply (sold separately) to operate. Ensure the power supply voltage and polarity match the device specifications to prevent damage. The unit is designed for indoor use and should be installed in a controlled environment, away from excessive moisture or extreme temperatures. Connect the copper Ethernet cable to the RJ45 port and the multimode fiber optic cable to the SC port. The converter is plug-and-play; no software configuration is required.
What's in the Box
- 1x Black Box LMC212A-MM-R3 Media Converter
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Black Box Ethernet (10-MBPS) Media Converter - - LMC212A-MM-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