The Moxa EDS-305-S-SC is a robust 5-port industrial Ethernet switch designed for demanding environments, offering single-mode SC fiber connectivity for extended reach and superior signal integrity. Its core advantages lie in its industrial-grade design, ensuring reliable operation in extreme temperatures and harsh conditions, alongside its ability to support long-distance communication crucial for geographically dispersed industrial networks. Key technical parameters include its operating temperature range of -40 to 75°C, ensuring performance in challenging climates, and its support for 10/100BaseT(X) Ethernet ports and 100BaseFX single-mode fiber ports with SC connectors, facilitating flexible network configurations. The switch boasts an IP30 protection rating, safeguarding against dust ingress.
Product Specifications
| Feature | Specification |
| :------------------- | :---------------------------------------------- |
| Ethernet Ports | 3 x 10/100BaseT(X) (RJ45) |
| Fiber Ports | 2 x 100BaseFX (SC connector, single-mode) |
| Fiber Wavelength | 1310 nm |
| Fiber Distance | Up to 30 km (98,425 ft) |
| Power Input | 12/24/48 VDC (9.6 to 60 VDC), 1.2 A @ 12 VDC |
| Operating Temperature | -40 to 75°C (-40 to 167°F) |
| Storage Temperature | -40 to 85°C (-40 to 185°F) |
| Ambient Humidity | 5 to 95% RH (non-condensing) |
| Dimensions | 31 x 127 x 107 mm (1.22 x 5 x 4.21 in) |
| Mounting | DIN-rail, wall-mount |
| IP Rating | IP30 |
| MTBF | 1,500,000+ hours |
Core Features & Market Positioning
The Moxa EDS-305-S-SC distinguishes itself through its dual fiber ports with SC connectors, providing superior bandwidth and extended communication distances essential for applications like utility automation, oil and gas pipelines, and intelligent transportation systems. Unlike standard copper-based switches, its single-mode fiber capability mitigates electromagnetic interference and signal degradation over tens of kilometers, making it a reliable choice for backbone connectivity in distributed industrial networks. This positioning as a rugged, long-reach Ethernet solution addresses a critical need where standard networking equipment would fail. Furthermore, its wide temperature range and robust build quality solidify its standing as a high-performance component for mission-critical operations.
Key Application Scenarios
The Moxa EDS-305-S-SC excels in extending Ethernet networks across significant distances, making it ideal for power substations requiring communication between distributed control systems and central management platforms. In manufacturing, it enables the interconnection of disparate production lines or remote sensing equipment via a reliable fiber backbone, enhancing data acquisition and process control. Its resilience to environmental factors also positions it perfectly for outdoor deployments in smart city initiatives, such as traffic management systems or surveillance networks, where copper cabling is impractical or susceptible to damage. For the oil and gas industry, this switch provides crucial connectivity along pipelines for monitoring sensors and control valves over many kilometers.
Practical System Integration Guidance
Integrating the Moxa EDS-305-S-SC into an industrial network is straightforward due to its plug-and-play nature for basic connectivity. Install the switch onto a standard DIN-rail or use the provided wall-mount kit in the desired location. Connect copper devices to the RJ45 ports using standard industrial Ethernet cables (e.g., Cat5e or Cat6), ensuring proper shielding and grounding. For fiber connections, utilize single-mode SC patch cords, verifying that the fiber type (9/125 µm) and connector type match the requirements of connected devices or optical modules. Power is supplied via a wide-range DC input, accommodating various industrial power sources; ensure the voltage is within the specified 9.6 to 60 VDC range and connect to the terminal block appropriately, observing polarity.
Operation and Risk Mitigation
Operating the Moxa EDS-305-S-SC primarily involves ensuring stable power input and verifying the integrity of network connections. Its unmanaged nature simplifies operation, eliminating the need for complex configurations. Risk mitigation focuses on protecting the unit from physical damage, ensuring proper ventilation despite its IP30 rating, and safeguarding against power surges by using a regulated DC power supply. In the event of link failures, a common troubleshooting step is to physically inspect and clean fiber optic connectors, as dust or debris can significantly degrade signal quality. For copper ports, check cable integrity and ensure connections are secure. The switch does not typically generate critical error codes as it lacks advanced management features; diagnostic LEDs for power, link, and activity are the primary indicators of operational status.
Scalability & Long-Term Value
The Moxa EDS-305-S-SC offers significant long-term value through its robust design and compatibility with industry-standard networking protocols, ensuring it remains a relevant component as industrial networks evolve. Its ability to serve as a reliable fiber uplink point facilitates future network expansion, allowing for the addition of more remote devices or the integration of higher-bandwidth segments without immediately requiring a full system overhaul. While this is an unmanaged switch, its integration into a larger managed network infrastructure is seamless, providing a dependable edge connectivity solution. The inherent reliability and extended lifespan of industrial-grade hardware like the EDS-305-S-SC contribute to reduced total cost of ownership by minimizing downtime and replacement frequency.
FAQs
1. What is the maximum data transfer rate for the Moxa EDS-305-S-SC?
The switch supports data transfer rates of 10 Mbps and 100 Mbps. It utilizes Fast Ethernet (10/100BaseT(X)) for its copper ports.
Fiber optic ports operate at 100 Mbps via the 100BaseFX standard. This ensures sufficient bandwidth for most industrial monitoring and control applications.
2. Can the Moxa EDS-305-S-SC be used in extreme temperature environments?
Yes, the EDS-305-S-SC is designed for harsh industrial conditions. It operates reliably within a wide temperature range of -40 to 75°C (-40 to 167°F). This makes it suitable for deployment in locations with significant thermal fluctuations.
3. What type of fiber optic cable is required for the Moxa EDS-305-S-SC?
This model requires single-mode SC fiber optic cables. The specific type is 9/125 µm single-mode fiber. Ensure the connectors on the patch cords are SC type.
4. How is the Moxa EDS-305-S-SC powered?
The switch supports a wide DC power input range. It accepts voltages from 9.6 VDC up to 60 VDC. This flexibility allows integration with various industrial power supplies.
5. What is the maximum distance the fiber optic ports can reach?
The single-mode fiber optic ports on the EDS-305-S-SC can transmit data up to 30 kilometers. This extended reach is crucial for geographically dispersed industrial installations.
6. Is the Moxa EDS-305-S-SC managed or unmanaged?
The Moxa EDS-305-S-SC is an unmanaged industrial Ethernet switch. It provides basic plug-and-play functionality without complex configuration settings. This simplifies deployment and reduces maintenance overhead.
7. What is the IP rating of the Moxa EDS-305-S-SC?
The switch has an IP30 protection rating. This indicates it is protected against solid objects larger than 2.5mm and has no protection against water. It is best suited for indoor or protected outdoor industrial environments.
8. Can I connect both copper and fiber devices to this switch?
Yes, the EDS-305-S-SC features a hybrid port configuration. It includes three 10/100BaseT(X) RJ45 copper Ethernet ports and two 100BaseFX SC single-mode fiber optic ports.
9. What mounting options are available for the Moxa EDS-305-S-SC?
The switch offers flexible mounting solutions. It can be easily installed on a standard 35 mm DIN-rail. Wall-mount brackets are also typically included for alternative installations.
10. What is the Mean Time Between Failures (MTBF) for this industrial switch?
The Moxa EDS-305-S-SC boasts a Mean Time Between Failures (MTBF) of over 1,500,000 hours. This high MTBF rating signifies exceptional reliability and longevity in demanding industrial settings.