Unmanaged Hardened Gigabit Ethernet Media Converter

SISTG10xx-211-LRT-B Series

The SISTG10xx-211-LRT ethernet media converter family offers a convenient and hassle-free solution for connecting devices to networks in challenging locations. These “Plug and Play” media converters provide fiber optic connectivity for long-distance communications, reaching up to 10 kilometers. Additionally, they boast advanced features to ensure optimal performance in harsh environments, including a wide temperature range and redundant power connections. As a result, they are commonly deployed in demanding industries like oil and gas, manufacturing, and the chemical industry. Simplify your network connectivity in difficult conditions with the reliable and versatile SISTG10xx-211-LRT converter family.

In August 2021, Transition Networks was acquired by Lantronix Inc. The products of Transition Networks will continue to be available from CoverTel as usual. Logo change of products from Transition Networks to Lantronix will be done progressively.
SKU: SISTG10xx-211-LRT-B Category: Tags: ,

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Unmanaged Hardened Gigabit Ethernet Media Converter
(1) 10/100/1000Base-T Port + (1) 1000Base-SX/LX Port or (1) 100/1000Base-X Port

The SISTG10xx-211-LRT-B Series is a reliable and high-performing unmanaged hardened Gigabit Ethernet media converter designed for various communication needs. This media converter is a great fit for those looking to extend their Ethernet service distance over fiber and require a hardened converter that can withstand harsh environments.

Key Features:

  • Auto-Negotiation: The media converter supports automatic negotiation, ensuring seamless and hassle-free connectivity between devices.
  • Auto-MDI/MDIX: With this feature, you don’t have to worry about crossover cables. The media converter automatically detects and adjusts the cable type for convenient and straightforward installation.
  • Link Pass Through: Enable or disable link pass-through with the simple flip of a switch. This feature allows you to maintain link integrity and quickly identify link failures.
  • Extended Operating Temperature: The media converter operates flawlessly in extreme temperatures ranging from -40°C to 75°C, making it suitable for various industrial environments.
  • Dual, Redundant Power Inputs: The converter offers redundant power inputs, providing a reliable power source and ensuring uninterrupted operation.
  • Reverse Polarity Power Input Protection: Safeguard your equipment from potential damage with the reverse polarity power input protection feature.
  • Overload Current Protection: The ethernet media converter is equipped with overload current protection, preventing power-related issues and ensuring the longevity of the device.
  • DIN Rail Mounting Brackets Included: Easily install the media converter on a DIN rail for efficient space utilization.
  • Class 1, Div 2 Certified: This product meets the rigorous UL Class 1 Division 2 certification standards, making it suitable for hazardous environments in industries such as oil and gas, manufacturing, and chemicals.
  • Jumbo Frame: Enjoy efficient data transmission with jumbo frame support, allowing for larger data packets up to 9K bytes.
  • Fiber Connectivity: Depending on the model, the converters support Multi-Mode or Single Mode fiber connections using SC connectors, enabling extended distance communications of up to 10 kilometers.
  • Ultimate Flexibility: The SFP model offers the freedom to choose the appropriate SFP module based on your specific communication distance requirements.
  • Redundant Power Connections: These ethernet media converters come equipped with redundant input power connections, ensuring secure and reliable operation, even in extreme temperatures ranging from -40°C to +75°C.
  • Fault Alarm Relay: The presence of a fault alarm relay further enhances the converters’ reliability, alerting you to any potential issues.
  • Harsh Environment Certification: Certified to operate reliably in harsh environments, these hardened media converters are ideal for industries such as oil and gas, manufacturing, and the chemical industry.


  • Flexible Connectivity: The Ethernet Media Converter SISTG10xx-211-LRT-B Series offers a choice between copper and fiber connections, allowing you to select the most suitable option for your communication needs.
  • Reliable Performance: With its robust design and redundant power inputs, this media converter ensures a stable and uninterrupted network connection, even in challenging conditions.
  • Versatile Applications: Whether you need to extend your network over fiber or require connectivity in hazardous environments, this media converter is designed to meet a wide range of industrial and commercial requirements.
  • Easy Installation: The media converter comes with DIN rail mounting brackets, making it easy to install and integrate into your existing network infrastructure.
  • Long-Term Warranty: Enjoy peace of mind with a generous 5-year warranty, ensuring the longevity and quality of the product.