Industrial Gigabit Ethernet Switch 4G+4 SFP -40°C to 80°C DIN-Rail Mounted

Product Overview:

The LNK-GY404G-SFP Industrial Ethernet Switch delivers high-performance networking with 4× Gigabit Ethernet ports and 4× 1000BASE-X SFP slots, designed for mission-critical industrial applications. This rugged switch ensures ultra-reliable connectivity with advanced network redundancy and cybersecurity protection.

Key Features & Benefits

✅ Hybrid Copper-Fiber Connectivity

• 4× 10/100/1000BASE-T RJ45 ports for flexible device connections

• 4× 1000BASE-SFP slots support single-mode/multi-mode fiber (up to 120km)

• Enables mixed-media networks with copper-to-fiber conversion

✅ Ultra-Fast Network Redundancy (<20ms)

• Proprietary ring redundancy protocol ensures failover recovery in <20ms

• Prevents network downtime in industrial automation, power grids, and transportation systems

• Supports STP/RSTP/MSTP for multi-layer network resilience

✅ Industrial-Grade Reliability

• -40°C to 75°C operating range for harsh environments (factories, outdoor cabinets)

• Dual 12~48VDC power inputs with surge protection (6kV)

• DIN-rail or wall-mountable for space-saving deployment

✅ Advanced Network Security & Management

• VLAN, QoS, and IGMP snooping optimize bandwidth for real-time data

• Port-based ACL & DoS protection prevent cyber threats

• LLDP & SNMP support for remote monitoring & troubleshooting

Applications

✔ Smart Factory Automation – Connects PLCs, HMIs, and industrial robots
✔ Railway & Traffic Control – Ensures ultra-reliable signaling networks
✔ Renewable Energy Systems – Provides fiber-optic backhaul for solar/wind farms
✔ Oil & Gas Monitoring – Withstands extreme temperatures in remote sites

Product Features:

1. High-Speed Hybrid Connectivity

• 4× Gigabit Copper Ports (10/100/1000BASE-T): Enable flexible device connections for PLCs, HMIs, and IP cameras

• 4× 1000BASE-X SFP Slots: Support hot-swappable single-mode/multi-mode fiber modules (up to 120km)

• Auto MDI/MDIX & Auto-Negotiation: Simplifies plug-and-play installation without manual configuration

2. Industrial-Grade Reliability

• Extended Temperature Range (-40°C to 80°C): Operates reliably in harsh environments (factories, oil fields, outdoor cabinets)

• IP40 Protection & Aluminum Alloy Housing: Resists dust, vibration, and EMI interference

• DIN-Rail or Wall-Mountable: Compact design for space-constrained industrial panels

3. Advanced Network Standards Compliance

• IEEE 802.3/u/x Compliance: Ensures interoperability with industrial Ethernet devices

• Full/Half-Duplex Auto-Sensing: Optimizes bandwidth efficiency for real-time data

• Flow Control (802.3x): Prevents data loss in high-traffic networks

4. Smart Fiber Expansion

• Hot-Swappable SFP Modules: Allow flexible fiber upgrades (1000BASE-SX/LX/LH)

• Future-Proof Backbone Links: Ideal for long-distance fiber-optic networks in smart grids and transportation systems

Application Scenarios

1. Industrial Automation Networks

• Provides reliable Gigabit Ethernet backbone for smart factory environments

• Connects PLCs, HMIs, and industrial robots with <20ms redundancy switching

• Supports real-time control protocols (PROFINET, EtherCAT) in automotive/electronics production lines

2. Critical Infrastructure Communications

• Enables ultra-reliable networking for power substations (IEC 61850-3 compliant)

• Facilitates SCADA system integration in oil/gas pipelines and water treatment plants

• Withstands extreme temperatures (-40°C to 80°C) in mining and metallurgy operations

3. Transportation Systems

• Implements railway signaling networks with mission-critical redundancy

• Powers tunnel surveillance systems through hybrid copper-fiber connectivity

• Meets EN 50155 standards for rolling stock applications

4. Smart Grid Deployments

• Forms fiber-optic backbone for renewable energy plants (solar/wind farms)

• Enables distributed energy resource management with precise time synchronization

• Provides cyber-secure communication for smart meter data aggregation

5. Outdoor Harsh Environment Applications

• Deploys in traffic control cabinets with IP40 protection

• Supports long-distance fiber links (up to 120km) for border security systems

• Resists vibration and EMI in maritime and offshore installations

Technical Indexes

Application Display Diagram