Moxa EDS-108 8-Port Compact Unmanaged Industrial Switch

The Moxa EDS-108 is a robust, compact, and unmanaged industrial Ethernet switch designed for demanding automation environments. It offers essential features for reliable network connectivity in industrial settings, boasting 8 Fast Ethernet ports, a rugged metal housing, and wide operating temperature support. This unmanaged switch simplifies network deployment by offering plug-and-play functionality, making it an ideal solution for expanding industrial networks without complex configuration. Key technical parameters include its DIN-rail mounting capability, LED status indicators for easy monitoring, and power input options suitable for industrial power sources.

Moxa EDS-108 Product Specifications

| Feature                 | Specification                                     |

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

| Ethernet Ports          | 8 x 10/100BaseT(X)                                |

| Port Connectivity       | Auto MDI/MDI-X, auto-negotiation                  |

| MAC Table Size          | 1K entries                                        |

| Packet Buffer Memory    | 512K bytes                                        |

| Switching Latency       | < 150 µs                                          |

| Input Voltage           | 12/24/48 VDC (9.6 to 60 VDC)                      |

| Power Consumption       | Max. 2.0 W                                        |

| Operating Temperature   | -10 to 60 °C (14 to 140 °F)                       |

| Storage Temperature     | -40 to 85 °C (-40 to 185 °F)                      |

| Ambient Humidity        | 5 to 95% non-condensing                           |

| Mounting                | DIN-rail, wall-mount (with optional kit)          |

| Housing                 | IP30, aluminum alloy                              |

| Dimensions              | 30 x 104 x 76 mm (1.18 x 4.09 x 2.99 in)            |

| Weight                  | Approx. 410 g (0.90 lb)                           |

| MTBF                    | Typically > 500,000 hours                         |

Core Features & Market Positioning

The Moxa EDS-108 distinguishes itself in the industrial networking market through its inherent simplicity and reliability, crucial for unmanaged switch applications. Its compact form factor and DIN-rail mounting make it exceptionally easy to integrate into space-constrained industrial cabinets. Unlike managed switches, the EDS-108 eliminates the need for complex configuration, reducing setup time and the potential for human error, which is a significant advantage in environments where rapid deployment is paramount. The wide DC input voltage range (9.6 to 60 VDC) enhances its flexibility, allowing it to operate seamlessly with various industrial power supplies. This focus on essential functionality, combined with Moxa's reputation for industrial-grade durability, positions the EDS-108 as a cost-effective and dependable choice for extending Ethernet connectivity in harsh operational settings.

Key Application Scenarios

This compact industrial switch excels in extending network reach within confined spaces and demanding environments. It is frequently deployed in manufacturing automation for connecting PLCs, sensors, and actuators, ensuring seamless data flow on the shop floor. In intelligent transportation systems, the EDS-108 can be found connecting traffic controllers, surveillance cameras, and variable message signs, benefiting from its wide temperature range and robust construction. Furthermore, it serves critical roles in building automation, providing reliable network infrastructure for HVAC controls, security systems, and lighting management. Its plug-and-play nature simplifies the expansion of existing networks for remote monitoring and data acquisition across various industrial sectors.

Practical System Integration Guidance

Integrating the Moxa EDS-108 into an industrial network is straightforward due to its unmanaged, plug-and-play design. For power, connect a suitable DC power source (within the 9.6 to 60 VDC range) to the dedicated power input terminals, observing correct polarity. The unit features dual power inputs for redundancy, allowing connection to two separate power sources to ensure continued operation if one fails. Ethernet connections are made using standard industrial Ethernet cables (Category 5e or higher recommended) to the 10/100BaseT(X) ports. Each port automatically negotiates speed and duplex mode, and supports Auto MDI/MDI-X, simplifying cabling as straight-through or crossover cables can be used interchangeably.

The LED indicators on the front panel provide immediate status feedback. Power LEDs confirm the unit is receiving power, while Link/Activity LEDs for each port indicate network connectivity and data traffic. Solid lights typically signify a link, while blinking indicates activity. Mounting is achieved via the integrated DIN-rail clip, allowing for quick attachment to standard 35mm DIN rails. For wall mounting, an optional mounting kit can be utilized. The aluminum alloy housing offers inherent protection, but ensuring adequate ventilation around the unit is advised, especially in high-temperature environments, to maintain optimal operating conditions.

Operation and Risk Mitigation

Operating the Moxa EDS-108 requires minimal intervention, a key benefit of its unmanaged architecture. The primary operational consideration is ensuring stable power input within the specified voltage range (9.6-60 VDC). Fluctuations outside this range can lead to erratic behavior or device failure. Proper wiring of the power terminals is crucial; incorrect polarity can damage the device. For network reliability, use industrial-grade Ethernet cables that are properly terminated and shielded where necessary to prevent electromagnetic interference (EMI) in noisy industrial settings.

While the EDS-108 is designed for robustness, avoiding common pitfalls enhances its longevity. Overheating is a potential risk; ensure the device is installed in an environment that allows for sufficient air circulation and remains within its specified operating temperature range of -10 to 60 °C. Physical damage from impacts or excessive vibration should also be prevented through secure mounting. Although unmanaged switches do not typically present complex error codes, a complete loss of link lights on all ports could indicate a power issue or a catastrophic device failure, often requiring replacement.

Scalability & Long-Term Value

The Moxa EDS-108 offers inherent scalability by providing a simple and reliable method to expand an existing industrial Ethernet network. Its plug-and-play nature means that adding more EDS-108 units or other Moxa switches to a network segment requires no complex reconfiguration of existing devices, allowing for organic network growth as operational needs increase. Its compatibility with standard Ethernet protocols ensures seamless integration with a wide array of industrial devices, including PLCs, HMIs, and SCADA systems from various manufacturers.

Furthermore, the EDS-108 serves as a foundational component for future industrial advancements, including Industrial IoT (IIoT) and Industry 4.0 initiatives. By providing robust and reliable connectivity at the edge, it enables the collection of data from previously isolated equipment. This data can then be fed into higher-level systems for analysis, optimization, and predictive maintenance, contributing to enhanced operational efficiency and digital transformation strategies. The long MTBF (Mean Time Between Failures) ratings associated with Moxa products also underscore the long-term value and reduced total cost of ownership.

Frequently Asked Questions

Q1: What is the power requirement for the Moxa EDS-108?

The Moxa EDS-108 operates on a wide DC input voltage range from 9.6 to 60 VDC. This flexibility allows it to be powered by various industrial power supplies.

This broad input range is ideal for facilities that may use different voltage standards for their automation equipment. The device consumes a maximum of 2.0 watts, making it energy-efficient.

Ensure correct polarity when connecting the power; reversed polarity can damage the switch. The unit also supports dual power inputs for enhanced reliability.

Q2: Can the Moxa EDS-108 be used in outdoor environments?

The Moxa EDS-108 has an IP30-rated aluminum alloy housing, offering protection against dust. However, it is designed for indoor industrial environments.

Its operating temperature range is -10 to 60 °C (14 to 140 °F). Extreme outdoor conditions, including direct sunlight or moisture, may exceed these limits.

For outdoor applications, Moxa offers industrial switches with higher IP ratings and wider temperature specifications suitable for harsh conditions.

Q3: How do I connect devices to the Moxa EDS-108?

Connect your industrial devices to the 8 x 10/100BaseT(X) Ethernet ports using standard Ethernet cables. The ports support auto-negotiation for speed and duplex.

The Auto MDI/MDI-X feature means you can use either straight-through or crossover Ethernet cables between devices. This simplifies cabling requirements.

Simply plug in your devices; the switch automatically detects and forwards traffic without any configuration needed. Its unmanaged nature ensures plug-and-play operation.

Q4: What is the difference between a managed and unmanaged industrial switch like the EDS-108?

An unmanaged switch, like the EDS-108, offers simple plug-and-play connectivity for basic network expansion. It requires no configuration.

Managed switches provide advanced features such as VLANs, QoS, and SNMP for network monitoring and control. They are more complex to set up.

The EDS-108 is ideal for straightforward network extensions where advanced features are not necessary, reducing complexity and cost.

Q5: How is the Moxa EDS-108 mounted in an industrial panel?

The Moxa EDS-108 is primarily designed for easy DIN-rail mounting using the integrated clip. This is standard for industrial control panels.

It can be quickly attached to a 35mm DIN rail, ensuring secure and organized installation within equipment racks or enclosures.

Optional wall-mount kits are available if DIN-rail mounting is not feasible, providing mounting flexibility.

Q6: Does the Moxa EDS-108 support Power over Ethernet (PoE)?

No, the Moxa EDS-108 model does not support Power over Ethernet (PoE) capabilities. It provides standard Ethernet connectivity only.

PoE switches deliver both data and electrical power to compatible devices over a single Ethernet cable. The EDS-108 requires a separate power source for each connected device.

If PoE is required for your application, you would need to select a Moxa switch model that specifically lists PoE or PoE+ support.

Q7: What is the warranty period for the Moxa EDS-108?

Moxa typically offers a generous warranty period for its industrial networking products, often around 5 years. Specific warranty details can vary by region and reseller.

It's always best to confirm the exact warranty duration with your Moxa sales representative or authorized distributor at the time of purchase. This reflects their confidence in product reliability.

This extended warranty coverage provides assurance for long-term industrial deployments, minimizing potential ownership risks.

Q8: What are the benefits of using an aluminum alloy housing?

The aluminum alloy housing provides excellent heat dissipation, crucial for industrial environments. It helps keep the internal components cool.

This robust metal construction offers superior mechanical strength and protection against physical impact compared to plastic enclosures.

It also contributes to electromagnetic compatibility (EMC) by helping to shield the internal electronics from external interference.

Q9: How can I troubleshoot a link failure on one of the EDS-108 ports?

First, check the link/activity LED for the specific port on the EDS-108. If it's off, verify the Ethernet cable is securely connected at both ends.

Try a different, known-good Ethernet cable and test the connection with another device. Ensure the connected device is powered on and functioning correctly.

Confirm that the port on the connected device is also operational and configured correctly. If issues persist, the port or connected device may have a fault.

Q10: Is the Moxa EDS-108 suitable for connecting to a SCADA system?

Yes, the Moxa EDS-108 is well-suited for connecting field devices to a SCADA system. It provides reliable Ethernet connectivity.

Its plug-and-play nature simplifies the deployment of remote sensors, actuators, and controllers that feed data into the SCADA network.

By extending the network reliably, it supports the data acquisition needs of SCADA systems in various industrial automation applications.