The Moxa EDS-205A-M-SC is a robust industrial Ethernet switch designed for harsh environments, offering reliable SC fiber optic connectivity for extended-range data transmission in demanding industrial settings. Its key advantages include a compact form factor, support for wide operating temperature ranges, and robust network redundancy features, making it a critical component for ensuring uptime in automation and control systems. The device boasts 5 Fast Ethernet ports, including two with SC fiber connectors, providing a flexible solution for extending network reach beyond the limitations of copper cabling.
Product Specifications
| Feature | Specification |
| :------------------ | :-------------------------------------------------- |
| Ethernet Ports | 3 x 10/100BaseT(X) RJ45 ports |
| Fiber Ports | 2 x 10/100BaseFX SC ports (MMF: 2km, SMF: 30km) |
| Power Input | 12/24/48 VDC, redundant power inputs |
| Operating Temp. | -40 to 75 °C (-40 to 167 °F) |
| Mounting | DIN-rail, wall-mount (optional) |
| Protocol Support | IEEE 802.3, 802.3u, 802.3x, 802.3az |
| Enclosure | IP30, aluminum |
| Dimensions | 31.5 x 100 x 135 mm (1.24 x 3.94 x 5.31 in) |
| Mean Time Between Failures (MTBF) | 200,000+ hours |
Core Features & Market Positioning
The Moxa EDS-205A-M-SC distinguishes itself in the industrial networking market through its combination of plug-and-play simplicity and industrial-grade reliability. Unlike consumer-grade switches, it is engineered to withstand extreme temperatures, vibrations, and electrical noise commonly found in factory floors, substations, and outdoor enclosures. The inclusion of SC fiber optic ports is a significant differentiator, enabling network extension over distances far exceeding standard Ethernet, crucial for large-scale industrial deployments or linking geographically dispersed facilities. This focus on robust connectivity and extended range positions the EDS-205A-M-SC as a dependable choice for mission-critical applications where network resilience is paramount. Its compact size and DIN-rail mounting capability further enhance its appeal for space-constrained industrial cabinets.
Key Application Scenarios
This industrial switch is ideally suited for applications demanding long-distance, high-reliability data communication. Common scenarios include connecting distributed sensors and actuators in manufacturing automation, linking security cameras across large outdoor sites, extending networks in intelligent transportation systems (ITS) for traffic management, and providing robust connectivity in power utilities and oil and gas facilities where harsh environmental conditions prevail. The fiber optic ports are particularly beneficial for bridging gaps in remote monitoring systems or connecting multiple buildings on a campus, overcoming the distance limitations of copper Ethernet. Its suitability for wide temperature ranges makes it a prime candidate for deployments in regions with significant climatic variations.
Practical System Integration Guidance
Integrating the Moxa EDS-205A-M-SC into an industrial network is straightforward due to its unmanaged nature, eliminating the need for complex configuration. Installation typically involves DIN-rail mounting within an enclosure, followed by connecting power and network cables. The RJ45 ports accept standard industrial Ethernet cables for connections to end devices or other network segments. For fiber optic connections, ensure compatibility between the Multi-Mode (MMF) or Single-Mode (SMF) fiber and the corresponding SC connectors on the switch. For MMF, a maximum distance of 2 kilometers is supported, while SMF can extend up to 30 kilometers. Redundant power inputs allow for connection to two separate power sources, enhancing system availability and fault tolerance.
Operation and Risk Mitigation
Operation of the Moxa EDS-205A-M-SC is designed for plug-and-play simplicity, requiring no user configuration. Its robust design inherently mitigates many operational risks associated with industrial environments. Risk mitigation strategies focus on proper installation and environmental protection. Ensure the enclosure provides adequate IP protection against dust and moisture, and that the operating temperature remains within the specified limits. Periodic visual inspection of cable connections, both Ethernet and fiber optic, is recommended to detect any physical damage or wear. While the device is highly reliable, understanding potential fault indicators, such as LED status lights (e.g., power, link, activity), can aid in rapid troubleshooting should an issue arise.
Scalability & Long-Term Value
The Moxa EDS-205A-M-SC offers long-term value through its robust construction, ensuring a prolonged operational lifespan even in challenging conditions. Its plug-and-play design simplifies network expansion; additional switches can be easily integrated to extend network reach or add more ports as system requirements grow. Compatibility with standard industrial Ethernet protocols ensures seamless integration with existing automation equipment and control systems. For organizations embracing Industrial Internet of Things (IIoT) initiatives, the EDS-205A-M-SC serves as a foundational networking component, providing the reliable connectivity necessary to aggregate data from diverse industrial assets for analysis and optimization.
FAQs
What are the maximum distances for the fiber optic ports on the Moxa EDS-205A-M-SC?
The SC fiber optic ports support extended reach, crucial for large industrial sites. Multi-mode fiber (MMF) connections can extend up to 2 kilometers for inter-building or large factory floor links. Single-mode fiber (SMF) connections are designed for much greater distances, reaching up to 30 kilometers.
Is the Moxa EDS-205A-M-SC an unmanaged or managed switch?
This industrial switch operates as an unmanaged device, simplifying deployment significantly. It requires no complex configuration or software setup, making it a plug-and-play solution. Its core functionality is to provide reliable Ethernet connectivity out-of-the-box.
What operating temperature range does the Moxa EDS-205A-M-SC support?
The EDS-205A-M-SC is built for demanding industrial environments, supporting a wide operating temperature range. It functions reliably in temperatures from -40 to 75 degrees Celsius (-40 to 167 degrees Fahrenheit). This ensures operation in extreme climates and heated enclosures.
Can the Moxa EDS-205A-M-SC be powered by a standard 24V DC power supply?
Yes, the switch is designed with flexible power input options to accommodate typical industrial power systems. It supports 12, 24, or 48 VDC power inputs, ensuring compatibility with common automation power supplies. The redundant power inputs enhance system reliability.
What type of fiber optic connectors does the Moxa EDS-205A-M-SC use?
The Moxa EDS-205A-M-SC utilizes SC connectors for its fiber optic ports. This is a common and robust connector type in industrial and telecommunications applications. Ensure your fiber optic cabling uses compatible SC connectors.
How many RJ45 Ethernet ports are available on the Moxa EDS-205A-M-SC?
The EDS-205A-M-SC features three Fast Ethernet RJ45 ports for connecting standard copper-based Ethernet devices. These ports support 10/100 Mbps speeds. They are ideal for connecting PLCs, HMIs, or other local network devices.
What is the primary advantage of using fiber optic ports in an industrial setting?
Fiber optic ports offer immunity to electromagnetic interference (EMI), a significant advantage in noisy industrial environments. They also provide significantly longer transmission distances compared to copper Ethernet. This ensures signal integrity over extended ranges.
Does the Moxa EDS-205A-M-SC support any form of network redundancy?
While this is an unmanaged switch and does not support advanced protocols like STP or ring redundancy, it offers redundant power inputs. This feature allows connection to two separate power sources, ensuring continued operation if one power supply fails.
What is the enclosure rating for the Moxa EDS-205A-M-SC?
The switch comes with an IP30 enclosure rating. This means it is protected against solid objects larger than 2.5mm but is not rated for water ingress. It is suitable for installation within control cabinets or protected enclosures.
What is the physical mounting method for the Moxa EDS-205A-M-SC?
The Moxa EDS-205A-M-SC is primarily designed for DIN-rail mounting, a standard in industrial control cabinets. Optional wall-mount kits may be available for alternative installation scenarios, providing flexibility in deployment.