The Moxa EDS-G308 8-Port Basic Gigabit Industrial Ethernet Switch is engineered for demanding industrial environments, offering robust connectivity and reliable performance. This unmanaged switch boasts a compact design, DIN-rail mountability, and IP30 protection, making it suitable for a wide range of automation and control applications. Its core advantages lie in its Gigabit Ethernet speed, enabling high-throughput data transmission, and its rugged construction, designed to withstand extreme temperatures, vibration, and electrical noise typically found in factory floors and outdoor deployments. Key technical parameters include 8 x 10/100/1000BaseT(X) Ethernet ports, a wide operating temperature range of -40 to 75°C, and dual redundant 12/24/48 VDC power inputs for enhanced reliability.
Moxa EDS-G308: Specifications at a Glance
| Feature | Specification |
| :-------------------- | :--------------------------------------------- |
| Ethernet Ports | 8 x 10/100/1000BaseT(X) |
| Auto-Negotiation | Yes |
| Auto MDI/MDI-X | Yes |
| Packet Buffer | 1 Mbit |
| Flow Control | IEEE 802.3x flow control, Back pressure |
| Switching Capacity | 16 Gbps |
| Forwarding Rate | 11.9 Mpps |
| MAC Table Size | 8K entries |
| Input Voltage | 12/24/48 VDC (4-pin, 2.54 mm pitch terminal block) |
| Power Consumption | Max. 6.6 W |
| Operating Temperature | -40 to 75°C |
| Enclosure | IP30 |
| Mounting | DIN-rail, Wall-mount |
| Dimensions | 30 x 100 x 135 mm |
| Weight | 500 g |
| MTBF | 700,000+ hours |
Core Features & Market Positioning
The Moxa EDS-G308 distinguishes itself in the industrial Ethernet switch market through its unwavering focus on essential, high-performance functionality. As a "Basic" Gigabit switch, it prioritizes plug-and-play simplicity and robust connectivity without the complexity of managed features, making it an ideal choice for straightforward network deployments. Its Gigabit speed is crucial for modern industrial networks that demand high bandwidth for machine vision, data acquisition, and large file transfers. Competitively, it offers a compelling balance of price and industrial-grade reliability, a hallmark of Moxa's established reputation. This positions the EDS-G308 as a go-to solution for systems integrators and end-users seeking dependable, high-speed Ethernet connectivity in harsh environments where performance and longevity are paramount.
Key Application Scenarios
The versatility of the Moxa EDS-G308 8-Port Industrial Gigabit Ethernet Switch makes it a cornerstone in numerous industrial automation setups. Its robust design and Gigabit speeds are particularly advantageous in manufacturing execution systems (MES) and supervisory control and data acquisition (SCADA) networks, ensuring seamless data flow from PLCs, sensors, and actuators to central control systems. In process automation, it facilitates reliable communication for Distributed Control Systems (DCS) and Programmable Logic Controllers (PLCs) operating under demanding environmental conditions. Furthermore, its ability to handle high data volumes supports advanced applications like industrial Internet of Things (IIoT) data aggregation, machine vision inspection systems, and high-definition surveillance in sectors such as oil and gas, power utilities, transportation, and smart factories.
Practical System Integration Guidance
Integrating the Moxa EDS-G308 into an industrial network is designed for efficiency. For power connection, utilize the 4-pin terminal block, ensuring proper polarity for the 12/24/48 VDC dual power inputs to provide redundancy and uninterrupted operation in case of a single power supply failure. Each of the eight 10/100/1000BaseT(X) Ethernet ports supports Auto-MDI/MDI-X, simplifying cabling by allowing the use of straight-through or crossover Ethernet cables for connecting to other network devices or end nodes. Installation typically involves DIN-rail mounting, using the provided clips, or wall-mounting with optional brackets. No complex configuration is required, as it operates as an unmanaged switch, making it a true plug-and-play device that immediately extends network connectivity upon power-up.
Operation and Risk Mitigation
Operating the Moxa EDS-G308 involves straightforward deployment and monitoring. Its unmanaged nature means there are no complex configurations to manage, reducing the risk of human error during setup. For operational continuity, the dual power inputs are critical; ensure both are connected to separate, reliable power sources to leverage the redundant power feature. In terms of risk mitigation, the switch's rugged enclosure (IP30) provides protection against dust and solid objects, while its wide operating temperature range (-40 to 75°C) prevents failures due to thermal stress. While the EDS-G308 does not offer advanced diagnostic LEDs, basic status indicators for link, activity, and speed on each port provide immediate visual feedback on network connectivity, aiding in quick identification of potential issues.
Scalability & Long-Term Value
The Moxa EDS-G308 8-Port Basic Gigabit Industrial Ethernet Switch offers significant long-term value through its inherent reliability and compatibility. Its robust industrial design ensures a long operational lifespan, minimizing the need for frequent replacements and reducing total cost of ownership. While it is an unmanaged switch, its Gigabit Ethernet ports provide ample bandwidth for current and future data demands, facilitating the integration of more sophisticated devices and sensors as industrial networks evolve towards IIoT and Industry 4.0 initiatives. Its compatibility with standard Ethernet protocols means it seamlessly integrates into existing or future network infrastructures, serving as a dependable backbone for expanding automation systems without requiring forklift upgrades of entire network segments.
Frequently Asked Questions
What is the primary function of the Moxa EDS-G308?
The Moxa EDS-G308 is an unmanaged industrial Ethernet switch. It provides eight 10/100/1000BaseT(X) Gigabit Ethernet ports for connecting various industrial devices. Its primary function is to enable high-speed, reliable network communication in harsh environments.
Its robust design ensures dependable operation, making it suitable for demanding applications where standard office-grade switches would fail. The plug-and-play nature simplifies deployment, allowing immediate network connectivity without complex configuration.
This switch is ideal for extending network reach and segmenting industrial networks to improve performance and manageability. It forms a critical component in building resilient industrial communication infrastructures.
How do I power the Moxa EDS-G308?
The Moxa EDS-G308 is powered via a 4-pin terminal block, supporting dual redundant power inputs. This allows you to connect two separate DC power sources for enhanced reliability.
The switch accepts a wide input voltage range of 12/24/48 VDC, offering flexibility in power source selection. Ensuring proper polarity when connecting the power supply is crucial for correct operation.
Leveraging the dual power inputs ensures that if one power source fails, the switch and connected devices will continue to operate seamlessly from the secondary source.
What are the environmental considerations for installing the Moxa EDS-G308?
The Moxa EDS-G308 is designed for harsh industrial environments, featuring a wide operating temperature range of -40 to 75°C. This broad range ensures reliable performance in extreme hot or cold conditions.
It also boasts an IP30 enclosure rating, offering protection against solid objects larger than 2.5mm, such as dust. The compact form factor and DIN-rail mounting capability facilitate easy installation in control cabinets and enclosures.
Its rugged construction is also resistant to vibrations and electrical noise commonly found in industrial settings, contributing to its overall durability and long operational life.
Can the Moxa EDS-G308 be used outdoors without additional protection?
While the Moxa EDS-G308 is built for industrial environments, its IP30 rating indicates protection against solid objects but not against moisture or liquids. Therefore, direct outdoor exposure without adequate housing or protection is not recommended.
For outdoor installations, the switch should be housed within a suitable enclosure that provides an appropriate IP rating for protection against water, dust, and other environmental contaminants. This ensures its longevity and reliable operation.
Considerations for outdoor deployment also include ensuring adequate ventilation to maintain operation within its specified temperature range and protecting power and network connections from environmental ingress.
What is the difference between the EDS-G308 and a managed industrial switch?
The primary difference lies in their functionality and complexity. The EDS-G308 is an unmanaged switch, meaning it operates on a plug-and-play basis with no user configuration required.
Managed switches, conversely, offer advanced features like VLANs, QoS, port mirroring, and SNMP management. These allow for greater network control, traffic prioritization, and detailed diagnostics.
For simpler network setups requiring robust connectivity and high speed without advanced network management, the unmanaged EDS-G308 is a cost-effective and straightforward solution.
Does the Moxa EDS-G308 support PoE (Power over Ethernet)?
No, the Moxa EDS-G308 does not natively support Power over Ethernet (PoE). Its primary function is to provide network connectivity and data transfer capabilities.
Devices requiring PoE will need a separate PoE injector or a PoE-capable switch upstream or downstream from the EDS-G308. The switch itself does not supply power to connected Ethernet devices.
When designing a network that includes PoE devices, ensure you select appropriate PoE-enabled equipment or supplementary devices to meet those power delivery requirements.
What is the packet buffer size of the Moxa EDS-G308?
The Moxa EDS-G308 features a 1 Mbit packet buffer. This buffer is essential for temporarily storing data packets before they are forwarded to their destination ports.
A larger packet buffer helps to mitigate network congestion and reduce packet loss, especially in high-traffic industrial environments where multiple devices are communicating simultaneously.
The 1 Mbit buffer size is adequate for many industrial applications, ensuring efficient data throughput and reliable communication for a variety of automation tasks.
How does Auto MDI/MDI-X benefit the Moxa EDS-G308 installation?
Auto MDI/MDI-X automatically detects the required cable connection, whether it's a straight-through or crossover Ethernet cable. This eliminates the need for users to manually determine and select the correct cable type.
This feature simplifies installation significantly, as you can use either type of standard Ethernet cable to connect to another switch, hub, or end device like a PC or PLC. It reduces potential connection errors and troubleshooting time.
By simplifying cable management and reducing installation complexity, Auto MDI/MDI-X makes the Moxa EDS-G308 a more user-friendly and efficient solution for industrial network deployments.
What is the switching capacity and forwarding rate of the EDS-G308?
The Moxa EDS-G308 has a switching capacity of 16 Gbps. This indicates the maximum amount of data the switch can process and forward across all its ports simultaneously.
Its forwarding rate is 11.9 Mpps (million packets per second). This metric measures how quickly the switch can process and deliver individual data packets, crucial for low-latency communication.
These specifications ensure that the Gigabit Ethernet ports can operate at their full potential, handling high volumes of data efficiently without becoming a bottleneck in the industrial network.
What is the MTBF (Mean Time Between Failures) for the Moxa EDS-G308?
The Moxa EDS-G308 boasts a Mean Time Between Failures (MTBF) of over 700,000 hours. This is a statistical measure indicating the average time the switch is expected to operate without a failure.
A high MTBF value signifies exceptional reliability and durability, which is critical for industrial applications where downtime can be extremely costly. It underscores the robust engineering of the device.
This long operational expectancy makes the EDS-G308 a dependable choice for mission-critical systems that require continuous and uninterrupted network connectivity over extended periods.