SEL-2725

Five-Port Ethernet Switch

This device is a 5-port unmanaged switch and media converter designed for immediate, "out-of-the-box" deployment.
It is ideal for collecting data from distributed IEDs (Intelligent Electronic Devices) in substation outdoor cubicles or remote edge locations and transmitting it reliably to a central switch.

Key Features

Media Converter Functionality

Equipped with 4 copper ports and 1 or 2 fiber optic ports (available in multimode or single-mode).
Enables local devices to connect via copper while utilizing noise-immune fiber optics for long-distance transmission to the control room, effectively eliminating induction noise issues.
Universal Power Input

Features an integrated universal power supply that accepts an exceptionally wide range of voltages—from 12–250 Vdc and 110–240 Vac—without the need for manual jumpers or settings.
Extreme Environmental Durability

Operates reliably in temperatures ranging from -40°C to +85°C.
Exceeds IEEE 1613 Class 2 and IEC 61850-3 standards for substation environments.
Designed with an MTBF (Mean Time Between Failures) of over 3,000 years, providing virtually maintenance-free reliability.
Built-in Safety Protection

Includes an undervoltage protection mechanism that automatically shuts down the device if the input voltage drops below operational levels and restores it once power stabilizes, protecting the hardware in unstable power environments.

Plug-and-Play Simplicity

Requires no software configuration or IP address assignment, making it perfect for rapid deployment by field technicians.
Fully Automated Port Configuration

All copper ports support Auto-MDIX, automatically detecting cable types (crossover or straight-through).
Features auto-sensing for speed (10/100 Mbps) and duplex modes (full/half) to prevent wiring and configuration errors.
Clear Identification & Diagnostics

Dual-fiber models include labels on the top of the unit specifying optical options (wavelength, mode, etc.) to prevent misconnection during installation.
Front-panel LEDs provide intuitive, real-time status for power and port activity for quick troubleshooting.

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