Industrial Managed Ethernet Switch 1000M 8-Port Gigabit + 2 SFP
DIN-Rail Mount
Product Overview:
The LNK-GYM7208G-SFP Series represents E-link's premium industrial-grade managed Ethernet switch, featuring 8× 10/100/1000Base-T RJ45 ports and 2× 100/1000Base-X SFP fiber slots for robust network connectivity. Designed for mission-critical
applications, this ruggedized managed switch delivers high-speed data transmission, fiber-optic extension, and reliable
networking in harsh industrial environments.
Key Features & Benefits:
High-Performance Connectivity
8× Gigabit Ethernet ports for high-bandwidth data transfer
Dual SFP fiber slots supporting long-distance optical transmission (up to 120km)
Layer 2 management (VLAN, QoS, RSTP) for network optimization
Industrial-Grade Reliability
Wide temperature range (-40°C to +80°C) operation
Dual power inputs (12-48V DC) with polarity protection
Fanless metal housing with IP40 protection against dust and particles
Advanced Network Protection
4KV surge protection on power and Ethernet interfaces
Redundant power design for 24/7 uninterrupted operation
Compact DIN-rail or wall-mountable installation
Technical Specifications:
Switch Capacity: 20Gbps
MAC Address Table: 8K entries
Jumbo Frame: 16KB support
Standards Compliance: IEEE 802.3/3u/3z, IEC 61850-3
Typical Applications:
✔ Industrial Automation - PLC networks, SCADA systems
✔ Intelligent Transportation - Traffic management, roadside communication
✔ Smart City Infrastructure - Surveillance systems, public WiFi
✔ Utility Networks - Power substations, oil & gas facilities
Features
1. High-Speed Fiber Optic Connectivity
✔ Dual 100/1000BASE-X SFP Slots - Auto-detects SC/FC/ST/LC fiber modules (single/dual fiber options available)
✔ Flexible Fiber Transmission - Supports multi-mode (2km) and single-mode (120km) fiber connections
2. Advanced Networking Performance
✔ Jumbo Frame Support (16KB) - Optimizes throughput for industrial video surveillance and data-intensive applications
✔ IPv6/IPv4 Dual Protocol Stack - Ensures future-proof network compatibility
✔ 8K MAC Address Capacity - Handles high-density network deployments with ease
3. Industrial-Grade Protection & Reliability
✔ 4KV Surge Protection - Guards against power spikes on both Ethernet and power interfaces
✔ Reverse Polarity Protection - Prevents damage from incorrect DC power connections (12-48V)
✔ Rugged Metal Enclosure - Fanless, IP40-rated design for vibration-resistant operation
4. Energy Efficiency & Smart Management
✔ IEEE 802.3az Energy Efficient Ethernet - Reduces power consumption during low traffic periods
✔ Comprehensive LED Indicators - Provides real-time monitoring of port status, power, and fiber links
✔ DHCP Support (RFC 1541/1542) - Simplifies network configuration and IP management
5. Flexible Installation Options
✔ DIN-Rail or Wall Mountable - Space-saving industrial-grade mounting solutions
✔ Extended Temperature Range - Stable operation from -40°C to +80°C (-40°F to +176°F)
6. Layer 2 Management Features
✔ VLAN Support - Enables network segmentation for improved security
✔ QoS Prioritization - Ensures critical data transmission during network congestion
✔ RSTP Protocol - Provides network redundancy and fast recovery
Application Scenarios
1. Industrial Automation & Smart Manufacturing
• Deploys as mission-critical network infrastructure for Industry 4.0 environments, connecting PLCs, HMIs, and robotic controllers via Gigabit Ethernet backbone
• Enables real-time data transmission in SCADA systems for oil & gas pipelines, water treatment plants, and power generation
facilities
• Supports machine vision systems with low-latency 16K jumbo frames in automated production lines
2. Intelligent Transportation Systems (ITS)
• Provides ruggedized networking for roadside communication units (RSUs), traffic signal controllers,
and electronic toll collection (ETC) systems
• Facilitates long-distance fiber connectivity (up to 120km) for tunnel surveillance networks and bridge monitoring systems
• Delivers 4KV surge-protected connectivity for harsh roadside environments with wide temperature tolerance (-40°C to +80°C)
3. Smart City & Critical Infrastructure
• Powers urban surveillance networks with high-bandwidth 10/100/1000T ports for 4K IP cameras and ANPR systems
• Enables fiber-optic backhaul connectivity through dual SFP slots (SC/FC/ST/LC compatible)
• Supports DHCP-enabled network expansion for municipal WiFi hotspots and IoT sensor arrays
4. Utility & Energy Sector Applications
• Complies with IEC 61850-3 standards for substation automation and smart grid deployments
• Provides dual power input redundancy for 24/7 operation in power distribution stations
• Withstands extreme environmental conditions in oil field operations and renewable energy plants
5. Military & Defense Communications
• Meets MIL-STD-810G requirements for field-deployable networking in mobile command centers
• DIN-rail mounted in armored vehicles and border surveillance systems
• EMC/EMI protected for electronic warfare environments
Technical Indexes
RJ45 port and speed | 8x10/100/1000Base-T |
Fiber port and speed | 2x100/1000Base-X SFP (Dual Mode, Auto Detection) |
Ethernet standards | IEEE 802.1x authentication IEEE 802.1q-Tagging IEEE 802.1p-Qeueing Layer 2 QoS/CoS with min. 4 Queues per Port IEEE 802.1w RSTP rapid spanning tree IEEE 802.3ad Trunking IEEE 802.3x flow control IEEE 802.1D Spanning Tree IEEE802.1ab LLDP |
DIP | State | Description |
#1 | ON | RSTP Disabled |
OFF | RSTP Enable |
#2 | ON | Port VLAN Enable |
OFF | Port VLAN Disable |
#3 | ON | SFP Port is 100M |
OFF | SFP Port 100M/1000M |
#4 | N/A | Function Reserve |
Power access mode | Phoenix terminal, DC seat |
Redundant power input | DC 9-56V |
Overload protection | Yes |
Power reverse | Support |
Power consumption | Full-load<15W |
Protection grade | IP40 aluminum case |
Cooling mode | Natural cooling, no fan design |
Dimensions | 138mm x 106mm x 41mm (L x W x H) |
Installation mode | DIN trail/wall-mountable |
Ordering Information
| Model | Description |
| LNK-GYM7208G-SFP | Managed Ethernet Switch 8-Port 10/100/1000Base-T + 2-Port 100/1000Base-X SFP |
| SFP Options | ► SFP option. Please select your SFP on our SFP Options Page
(Industrial SFP). |
| ► SFP module is to be purchased separately. |
| Mounting Options | ► Default DIN-Rail Bracket installed, Wall Mount Bracket is
included. |
| Power Options | ►24W/1A 24VDC DIN-Rail Power Supply. Open Wire for Terminal Block. |
| ► Power Supply is to be purchased separately. |
Application Display Diagram
