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Product Introduction
When standard commercial switches fail in the freezing winters of northern China or the scorching heat of a steel mill, the MOXA EDS-308-MM-SC steps in as a ruggedized networking solution. This specific model combines 6 electrical ports with 2 multimode SC fiber ports, allowing you to bridge long distances without signal degradation. It’s built for the “set it and forget it” philosophy in industrial automation.What makes this switch a staple in the industry is its extreme durability. It operates flawlessly from -40°C to 75°C, a range that covers almost any environment on the planet. Whether you need the network management features of a managed switch or the simplicity of an unmanaged unit (depending on the firmware version), this device provides the buffer stock you need against network downtime.
Key Technical Specifications
- Model Number: EDS-308-MM-SC
- Brand: MOXA
- Product Type: Industrial Ethernet Switch
- Ports: 6 x 10/100Base-T (RJ45), 2 x 100Base-FX (SC)
- Fiber Type: Multimode (MM)
- Operating Temperature: -40 to 75°C
- Power Input: 12 to 48 VDC
- Mounting: DIN-Rail
- Dimensions: 90 x 130 x 44 mm
Application Scenarios & Pain Points
The Freezing Sensor Failure
Imagine it’s a January morning in Harbin, and the temperature has dropped to -30°C. The commercial-grade network switch in the remote pump house stops booting up, causing a critical section of the SCADA system to go dark. The maintenance crew has to drive through the snow to replace it, costing hours of downtime. This is exactly the scenario the EDS-308-MM-SC is designed to prevent.Oil & Gas Pipelines
In remote pipeline monitoring, electrical noise from pumps can corrupt data on copper cables. The 2 SC fiber ports on this switch allow data to travel several kilometers without picking up any interference, keeping the central control room informed.Factory Automation
If your PLC cabinet is located next to a massive motor generating heat, standard electronics will cook. With an operating range up to 75°C, this switch handles the ambient heat without breaking a sweat.Case Study: Water Treatment Plant
A municipal water treatment facility in the Midwest was experiencing random network dropouts during summer. Upon inspection, the switches in the outdoor control boxes were overheating. They replaced them with the MOXA EDS-308-MM-SC units. Since the ambient temperature in those boxes often exceeded 60°C, the industrial rating of this switch eliminated the thermal shutdowns, saving the plant an estimated $10,000 per month in potential treatment violations and lost production time.
