Moxa EDS-405A-MM-SC 5-Port Compact Multi-mode SC Industrial Fiber Switch

The Moxa EDS-405A-MM-SC is a robust 5-port compact industrial Ethernet switch designed for demanding environments, featuring multi-mode fiber optic connectivity with SC connectors. This switch excels in providing reliable data transmission over extended distances, making it ideal for industrial automation, intelligent transportation systems, and utility networking. Its core strengths lie in its hardened design, ensuring operation in extreme temperatures, its dual power input for redundancy, and its straightforward plug-and-play functionality. Key technical parameters include a 10/100BaseT(X) Ethernet interface, multi-mode fiber ports supporting up to 5 km distances, and operating temperature ranges from -40 to 75°C. The device also boasts an IP30 industrial housing and supports various industrial protocols, ensuring seamless integration into existing control systems.

Product Specifications

| Feature                 | Specification                                     |

| :---------------------- | :------------------------------------------------ |

| Ethernet Ports          | 4 x 10/100BaseT(X) (RJ45)                         |

| Fiber Ports             | 1 x 100BaseFX (SC connector, multi-mode)          |

| Fiber Distance          | Up to 5 km                                        |

| Power Input             | 12/24/48 VDC (9.6 to 60 VDC), dual power inputs    |

| Operating Temperature   | -40 to 75°C                                       |

| Housing                 | IP30, DIN-rail mountable                          |

| MTBF                    | 1,300,000+ hours                                  |

| Management Features     | Unmanaged                                         |

| Dimensions              | 31 x 103 x 136 mm                                 |

Core Features & Market Positioning

The Moxa EDS-405A-MM-SC distinguishes itself in the industrial networking market through its inherent ruggedness and reliability, crucial for mission-critical applications where downtime is not an option. Its multi-mode fiber port with SC connectors offers a cost-effective solution for extending network reach in environments susceptible to electromagnetic interference, a common challenge in manufacturing floors and substations. Unlike standard commercial switches, this industrial-grade unit is engineered to withstand vibration, shock, and extreme temperatures, ensuring consistent performance. The unmanaged nature simplifies deployment, making it an attractive option for integrators seeking plug-and-play solutions without complex configuration requirements. This focus on durability and ease of use positions the EDS-405A-MM-SC as a highly dependable choice for expanding network infrastructure in harsh industrial settings.

Key Application Scenarios

This compact industrial fiber switch is purpose-built for applications demanding robust connectivity over moderate distances in challenging environments. Its primary use cases include connecting devices in factory automation, where its resilience to electrical noise and vibration is paramount for maintaining communication between PLCs, sensors, and HMI panels. In intelligent transportation systems (ITS), the EDS-405A-MM-SC facilitates reliable data transfer from traffic cameras, sensors, and control units, even along roadways with significant interference. Furthermore, it is frequently deployed in utility networks for Supervisory Control and Data Acquisition (SCADA) systems, linking remote substations and field devices where long-term stability and extended fiber reach are essential. The multi-mode SC fiber connection is particularly suited for shorter to medium-haul links within industrial complexes or city infrastructure.

Practical System Integration Guidance

Integrating the Moxa EDS-405A-MM-SC into an industrial network is typically straightforward, owing to its unmanaged design. For basic installation, mount the switch onto a standard DIN rail using the provided clips. Power is supplied via a wide-range DC input (12/24/48 VDC) with dual terminals for power redundancy; connect the positive and negative terminals of your power source to the designated inputs. For network connectivity, standard Ethernet cables (e.g., Cat5e or Cat6) are used for the RJ45 ports, while the multi-mode SC fiber port connects to other network devices or fiber optic infrastructure using appropriate fiber patch cords. Ensure fiber optic connections are clean and secure to maintain signal integrity. No complex configuration or software is required for basic operation, allowing for immediate network establishment upon power-up.

Operation and Risk Mitigation

Operating the Moxa EDS-405A-MM-SC involves ensuring proper power supply and environmental conditions are maintained. The switch is designed for unattended operation in industrial settings. Given its hardened nature, failure is often linked to extreme power fluctuations or physical damage beyond its rated specifications. To mitigate risks, always use a stable, regulated DC power source within the specified voltage range and implement the dual power inputs for redundancy against power supply failures. Avoid exposing the unit to corrosive chemicals or direct water ingress, despite its IP30 rating, which primarily addresses solid object protection. For troubleshooting, basic checks include verifying power LED status and network link LEDs on both the copper and fiber ports. While unmanaged, ensure connected devices are functioning correctly and cabling is securely seated.

Scalability & Long-Term Value

The Moxa EDS-405A-MM-SC offers a foundational element for scalable industrial networks, particularly when extended reach or interference immunity is required. Its primary value proposition lies in its enduring reliability and ability to integrate into evolving IIoT (Industrial Internet of Things) architectures. While an unmanaged switch, it serves as a critical node that can connect multiple legacy or modern devices to a backbone network. For increased network intelligence or management capabilities, it can be placed behind a managed switch that offers advanced features like VLANs or QoS. The use of industrial-grade components ensures a long operational lifespan, minimizing the total cost of ownership. Compatibility with standard Ethernet protocols ensures it can readily interface with a wide array of industrial controllers, sensors, and communication gateways, supporting gradual upgrades to digital manufacturing and smart city initiatives.

Frequently Asked Questions (FAQs)

What is the maximum distance the Moxa EDS-405A-MM-SC can connect over fiber?

The Moxa EDS-405A-MM-SC supports multi-mode fiber optic connections up to 5 kilometers (approximately 3.1 miles). This extended reach is crucial for bridging larger distances in industrial plants or outdoor deployments where copper cabling is impractical or susceptible to interference. Proper fiber cable selection and clean connector maintenance are key to achieving this maximum distance reliably.

Can the Moxa EDS-405A-MM-SC be used in very cold or hot environments?

Yes, the EDS-405A-MM-SC is engineered for extreme industrial temperatures, operating reliably from -40°C to 75°C (-40°F to 167°F). This wide operating range ensures consistent performance in harsh conditions, such as unheated outdoor enclosures or hot factory floors, without requiring additional climate control. Its robust design actively prevents thermal degradation or performance issues across this broad spectrum.

Does the Moxa EDS-405A-MM-SC require any software configuration to operate?

No, the Moxa EDS-405A-MM-SC is an unmanaged industrial Ethernet switch. It operates on a plug-and-play basis, meaning it requires no software configuration or setup to function. Simply connect power and network cables, and the switch will automatically establish network connections between connected devices, simplifying deployment in industrial settings.

What type of fiber optic connector does the EDS-405A-MM-SC use?

This industrial switch features an SC connector for its multi-mode fiber optic port. SC connectors are a common and robust choice for industrial applications, known for their push-pull mating mechanism which ensures secure connections. This standardized interface facilitates easy integration with existing fiber optic infrastructure and patch panels.

How many Ethernet ports does the Moxa EDS-405A-MM-SC have in total?

The Moxa EDS-405A-MM-SC is equipped with a total of five Ethernet ports. Four of these are standard 10/100BaseT(X) RJ45 copper ports for connecting devices via twisted-pair cables. The fifth port is a 100BaseFX multi-mode fiber optic port utilizing an SC connector for longer-distance or interference-immune communication.

What is the power input range for the Moxa EDS-405A-MM-SC?

The switch supports a wide DC power input range, typically from 12 to 48 VDC (9.6 to 60 VDC). This flexibility allows it to be powered by various industrial power sources commonly found in control cabinets and field installations. It also features dual power inputs to enable redundant power configurations, enhancing system reliability.

Is the Moxa EDS-405A-MM-SC suitable for outdoor installation?

While designed for industrial environments, its IP30 rating primarily protects against solid objects larger than 2.5mm and offers no water protection. For outdoor installations, it must be housed in a suitable enclosure that protects it from moisture, dust, and direct environmental exposure, while still allowing for adequate ventilation. Its wide operating temperature range is beneficial for outdoor use within such enclosures.

What is the purpose of the multi-mode fiber port on this switch?

The multi-mode fiber optic port on the EDS-405A-MM-SC is designed to transmit data over longer distances than standard copper Ethernet cables. It is also immune to electromagnetic interference (EMI), making it ideal for environments with high electrical noise, such as factory floors, power substations, or areas with heavy machinery. This ensures data integrity and reliable communication.

Can the EDS-405A-MM-SC handle high volumes of network traffic?

While an unmanaged switch, the EDS-405A-MM-SC offers high performance for its class with 10/100 Mbps Ethernet ports, supporting efficient data transfer for typical industrial applications. It functions as a basic connectivity device, forwarding traffic between its ports. For advanced traffic management like Quality of Service (QoS) or VLANs, it would typically be integrated into a network managed by a more advanced switch.

What is the typical Mean Time Between Failures (MTBF) for this switch?

The Moxa EDS-405A-MM-SC boasts a Mean Time Between Failures (MTBF) of over 1,300,000 hours. This exceptionally high MTBF rating signifies robust engineering and component quality, indicating a very low probability of failure during its operational life, which is critical for maintaining continuous industrial processes and reducing maintenance costs.