Moxa EDS-408A-MM-SC Multi-mode SC Interface Industrial Network Switch
The Moxa EDS-408A-MM-SC is a robust, unmanaged industrial Ethernet switch engineered for demanding environments, offering reliable connectivity with its multi-mode SC fiber optic interfaces. This device is specifically designed to extend network distances and provide immunity to electromagnetic interference, making it an ideal choice for industrial automation, transportation, and utility applications. Its key advantages include a wide operating temperature range, dual redundant power inputs, and essential network management features for seamless integration into critical infrastructure.
Product Specifications
| Feature | Specification |
| :------------------------ | :-------------------------------------------------- |
| Model | Moxa EDS-408A-MM-SC |
| Ethernet Ports | 6 x 10/100BaseT(X) RJ45 copper ports |
| Fiber Ports | 2 x 100BaseFX multi-mode SC ports |
| Power Input | 12/24/48 VDC (9.6 to 60 VDC) |
| Redundant Power Inputs | Yes |
| Operating Temperature | -40 to 75 °C (-40 to 167 °F) |
| Mounting | DIN-rail, Wall-mount |
| Dimensions | 50 x 135 x 105 mm (1.97 x 5.31 x 4.13 in) |
| IP Rating | IP30 |
| Mean Time Between Failures (MTBF) | > 500,000 hours |
Core Features & Market Positioning
The Moxa EDS-408A-MM-SC distinguishes itself through its industrial-grade construction and reliable fiber optic connectivity. The inclusion of multi-mode SC fiber ports is a significant differentiator, enabling network extensions of up to 2 kilometers, crucial for bridging distances in large facilities or between substations. Its ability to withstand extreme temperatures (-40 to 75 °C) and its support for redundant power inputs (12/24/48 VDC) ensure uninterrupted operation in harsh industrial settings, positioning it as a dependable solution where network uptime is paramount. The switch’s unmanaged nature simplifies deployment, making it a cost-effective yet high-performance option for basic network segmentation and extension needs in sectors that do not require advanced managed switch functionalities.
Key Application Scenarios
This industrial Ethernet switch finds critical applications in extending network infrastructure across challenging environments. In factory automation, the EDS-408A-MM-SC facilitates robust data communication between machines and control systems, even over significant distances within a plant. For transportation systems, it supports the reliable transmission of video surveillance and control data along rail lines or roadways. In the energy sector, particularly in power substations and renewable energy farms, its fiber optic ports offer immunity to electrical noise and enable long-reach connectivity for SCADA and monitoring systems. Its compact DIN-rail mountable design further aids integration into control cabinets and roadside equipment enclosures.
Practical System Integration Guidance
Integrating the Moxa EDS-408A-MM-SC into an industrial network is straightforward due to its plug-and-play, unmanaged design. Connect standard Ethernet devices (computers, PLCs, IP cameras) to the RJ45 ports using Cat5e or better Ethernet cables. For the fiber optic connections, ensure you use appropriate multi-mode fiber optic cables terminated with SC connectors. The polarity of the fiber connections is critical: typically, port 1 (Tx) of one switch connects to port 2 (Rx) of the other, and vice-versa, to establish a communication link. Power can be supplied via the terminal block, accepting a wide voltage range, with the dual inputs allowing for connection to separate power sources for redundancy. Ensure proper grounding to mitigate electrical noise and surge risks.
Operation and Risk Mitigation
The EDS-408A-MM-SC operates seamlessly without the need for complex configuration, reducing the risk of misconfiguration errors. Its inherent design prioritizes reliability, featuring a Mean Time Between Failures (MTBF) exceeding 500,000 hours, indicating a low probability of hardware failure. For risk mitigation, always connect the device to a stable power source within the specified voltage range and ensure proper grounding. Avoid exposing the unit to conditions beyond its IP30 rating. While unmanaged, monitoring network traffic at network aggregation points can help identify potential performance bottlenecks or anomalies. In the unlikely event of a port failure, the redundant power inputs and ability to reroute traffic via other paths in a meshed topology are crucial for maintaining operational continuity.
Scalability & Long-Term Value
While the EDS-408A-MM-SC is an unmanaged switch, its value lies in its dependable performance and its role as a building block in larger industrial networks. Its robust design ensures a long operational lifespan, minimizing the need for frequent replacements. For scalability, multiple EDS-408A-MM-SC units can be cascaded or interconnected with managed switches to expand network reach and capacity. Its compatibility with standard industrial communication protocols ensures seamless integration with existing and future control systems, including those migrating towards Industrial Internet of Things (IIoT) and Industry 4.0 initiatives. The fiber optic ports provide future-proofing by offering higher bandwidth potential and immunity to electromagnetic interference as network demands evolve.
Frequently Asked Questions
What are the main advantages of using the Moxa EDS-408A-MM-SC?
This switch offers industrial-grade durability and reliable Ethernet connectivity. Its multi-mode SC fiber ports extend network reach significantly. It operates reliably across a wide temperature range, ensuring uptime in harsh conditions.
What technical specifications are most important for industrial applications?
Key specs include its wide operating temperature range (-40 to 75°C) and input voltage flexibility (9.6-60 VDC). The redundant power inputs are vital for critical systems. Its IP30 rating indicates protection against solid objects.
How does the multi-mode SC interface benefit network design?
Multi-mode fiber allows for network segmentation over distances up to 2km. It provides immunity to electrical noise and interference, crucial in industrial plants. The SC connector type is a widely adopted standard for fiber optics.
Can this switch be managed or configured?
No, the Moxa EDS-408A-MM-SC is an unmanaged switch. It offers plug-and-play functionality, simplifying installation and reducing the need for complex network configuration. Its operation is automatic upon power-up.
What are the typical applications for this industrial switch?
It is ideal for factory automation, connecting machines and control systems. It serves transportation networks for data transmission along infrastructure. Energy sector applications include power substations and remote monitoring.
How do I connect fiber optic cables to the EDS-408A-MM-SC?
Use standard multi-mode fiber optic cables with SC connectors. Ensure the Tx port on one switch connects to the Rx port on the other. Verify correct cable polarity for a successful link.
What power supply options are available for this switch?
It supports a wide DC input voltage range from 9.6 to 60 VDC. This flexibility accommodates various industrial power sources like 12, 24, or 48 VDC systems. Dual power inputs allow for redundant power connections.
Is this switch suitable for outdoor or exposed environments?
The EDS-408A-MM-SC has an IP30 rating, meaning it is protected against solid objects larger than 2.5mm. It is not designed for direct exposure to dust, water, or extreme weather; enclosed industrial cabinets are recommended.
How does the EDS-408A-MM-SC handle network failures?
Its robust hardware design ensures high reliability and a long MTBF. For network resilience, it can be part of a redundant network topology. Critical data can be rerouted if one path fails.
Can this switch be integrated with IIoT platforms?
Yes, as a foundational network component, it reliably connects devices to the broader network. This connectivity is essential for data collection and integration into IIoT platforms and Industry 4.0 solutions.
