Unmanaged Industrial PoE Switch 4×60W UPoE + 2 SFP DIN-Rail Gigabit

Product Overview

The LNK-GYH204GP-SFP Industrial Gigabit PoE+ Switch delivers high-power 60W UPoE (Universal Power over Ethernet) across 4 ports, combined with 2 1000BASE-X SFP fiber slots for robust industrial network deployments. This unmanaged Ethernet switch complies with IEEE 802.3af/at/bt (PoE++) standards, automatically detecting and powering compliant PDs (Powered Devices) up to 250W total PoE budget.

Key Features & Benefits

✅ High-Density PoE++ Power Delivery

• 4× Gigabit UPoE ports (60W per port) for power-hungry devices

• 250W total PoE budget supports multiple PTZ cameras, WiFi 6 APs, industrial PCs

• Auto-sensing 802.3af/at/bt compatibility protects non-PoE equipment

✅ Hybrid Copper/Fiber Connectivity

• 2× 1000BASE-X SFP slots for multi-mode/single-mode fiber uplinks

• 1× additional Gigabit RJ45 port for network expansion

• Extends networks up to 120km via fiber in harsh environments

✅ Industrial-Grade Reliability

• -40°C to 75°C operating range for extreme conditions

• DIN-rail or wall mountable for flexible installation

• Surge protection (6kV) and EMI shielding for electrical noise immunity

Product Features

1. High-Power PoE+ & Hybrid Connectivity

• 4× Gigabit PoE+ Ports (60W UPoE per port): Delivers IEEE 802.3af/at/bt-compliant power to high-demand devices like PTZ cameras, WiFi 6 APs, and industrial sensors.

• 1× Gigabit RJ45 Uplink Port: Expands network connectivity for non-PoE devices.

• 2× 1000BASE-X SFP Slots: Supports single-mode/multi-mode fiber for long-distance (up to 120km) and noise-immune data transmission.

2. Industrial-Grade Power & Reliability

• 240W Total PoE Budget: Powers multiple high-wattage endpoints simultaneously.

• Redundant Dual Power Inputs (12~48VDC): Ensures 24/7 uptime in critical applications.

• -40°C to 80°C Operating Range: Withstands extreme temperatures in outdoor/industrial environments.

3. Rugged Design & Easy Deployment

• DIN-Rail or Wall-Mountable: Flexible installation in control cabinets, traffic cabinets, or harsh industrial settings.

• 6kV Surge Protection & EMI Shielding: Protects against electrical noise and voltage spikes.

• Fanless, Low-Power Design: Silent operation with minimal energy consumption.

4. Plug-and-Play Operation

• Auto-Sensing PoE Detection: Safely powers 802.3af/at/bt devices without manual configuration.

• Non-Blocking Switching Architecture: Ensures full wire-speed throughput for latency-sensitive applications.

Application Scenarios 

1. Industrial Automation Networks

• Powers and connects high-wattage industrial devices (PLCs, HMIs, vision systems) with 60W UPoE per port

• Provides noise-immune fiber uplinks (1000BASE-X) for factory floor communication backbones

• Withstands harsh environments (-40°C to 80°C) in automotive plants, chemical facilities

2. Outdoor Surveillance Systems

• Delivers 60W PoE++ to PTZ cameras, thermal imaging devices and AI surveillance terminals

• SFP fiber ports enable long-distance video transmission (120km) for metro surveillance networks

• DIN-rail mounting suits traffic cabinet installations in ITS applications

3. Smart City Infrastructure

• Powers IoT edge devices (environmental sensors, smart lighting controllers)

• Redundant power inputs ensure reliability for critical municipal networks

• 6kV surge protection safeguards against lightning strikes in outdoor deployments

4. Energy & Utility Communications

• Connects remote substation equipment via fiber-optic backbone links

• 240W total PoE budget supports multiple field devices in solar/wind farms

• Industrial-grade components prevent failures in extreme temperature environments

5. Transportation Networks

• Provides power+data for railway signaling systems and tunnel monitoring devices

• Fanless operation prevents dust accumulation in underground rail environments

• IEEE 802.3at/af compliance ensures interoperability with transportation authority standards

Technical Advantages Summary

• Protocol-transparent switching maintains <1μs latency for industrial control protocols

• Auto-sensing 60W UPoE eliminates separate power cables for high-power endpoints

• Dual-fiber options (MMF/SMF) support both short-range (550m) and long-haul (120km) links

• Industrial certifications include IEC 61850-3 for power substations

Technical Indexes

Application Display Diagram