Industrial 4-port 10/100/1000T 802.3bt PoE + 4-port 10/100/1000T 802.3at PoE + 2-port 100/1000X SFP Managed Ethernet Switch

Industrial 4-port 10/100/1000T 802.3bt PoE + 4-port 10/100/1000T 802.3at PoE + 2-port 100/1000X SFP Managed Ethernet Switch

Overview

The LNK-GYM7208GHP-SFP Series is an advanced industrial-grade managed Ethernet switch designed for demanding networking environments. Featuring 4x 802.3bt PoE+ ports (90W), 4x 802.3at PoE ports (30W), and 2x 100/1000Base-X SFP fiber slots, this ruggedized switch delivers high-speed, stable data transmission for industrial and outdoor applications. Manufactured by E-link, this Gigabit PoE switch combines high reliability, compact design, and energy efficiency, making it ideal for smart city deployments, industrial automation, and mission-critical networks.

Key Features & Benefits

• High-Power PoE++ & PoE+ Support: 4x 802.3bt PoE ports (90W each) + 4x 802.3at PoE ports (30W each) for powering IP cameras, wireless APs, and IoT devices without extra wiring.

• Dual Fiber Uplinks: 2x 100/1000M SFP slots enable long-distance fiber optic connectivity, enhancing network scalability.

• Industrial-Grade Durability: Operates in -40°C to 80°C extremes with fanless, low-power design, ensuring reliability in harsh conditions.

• Redundant Power Inputs: Dual DC power supply (12-48V) supports failover protection for uninterrupted operation.

• Compact & Versatile Mounting: DIN-rail or wall-mountable (IP40) for easy installation in factory automation, ITS, and utility networks.

• Layer 2 Managed Features: VLAN, QoS, STP/RSTP, and advanced security protocols for optimized traffic control.

Product Features

1. High-Speed Fiber Connectivity

✔ Dual 100/1000BASE-X SFP Slots – Supports auto-detection for flexible fiber or copper SFP modules, enabling long-distance optical network transmission (up to 120km with single-mode fiber).

2. High-Power PoE++ & PoE+ Support

✔ 4x 802.3bt PoE+ Ports (90W each) + 4x 802.3at PoE Ports (30W each) – Delivers 480W total PoE budget for powering high-demand devices like PTZ cameras, WiFi 6 APs, and industrial sensors without extra power supplies.

3. Advanced Data Handling & Efficiency

✔ Jumbo Frame Support (16K bytes) – Enhances throughput for large data packets, ideal for video surveillance & industrial automation.
✔ IEEE 802.3az Energy-Efficient Ethernet (EEE) – Reduces power consumption during low traffic, cutting operational costs.
✔ 8K MAC Address Table – Ensures stable network performance in high-density deployments.

4. Robust Protection & Reliability

✔ 4KV Surge Protection (Power & Ethernet) – Guards against lightning strikes & voltage spikes in harsh environments.
✔ Polarity Protection (12-48V DC Input) – Prevents damage from reverse power connections, improving fail-safe operation.

5. Industrial-Grade Durability

✔ Fanless Metal Housing (IP40 Rated) – Dust-resistant & vibration-proof for extreme-temperature conditions (-40°C to 80°C).
✔ DIN-Rail or Wall Mounting – Flexible installation in control cabinets, traffic cabinets, or outdoor enclosures.

6. User-Friendly Monitoring

✔ LED Status Indicators (Port, PoE, Power, SFP) – Provides real-time diagnostics for quick troubleshooting.

Application Scenarios

The LNK-GYM7208GHP-SFP industrial-grade managed PoE switch is engineered for mission-critical networking in harsh environments, delivering high-speed data transmission, power-over-Ethernet (PoE) support, and fiber-optic connectivity. Below are its key industrial and commercial applications:

1. Industrial Automation & Smart Manufacturing

✔ Industry 4.0 & IIoT (Industrial IoT) Networks – Provides reliable Gigabit backbone connectivity for PLCs, HMIs, and robotic systems in smart factories.
✔ SCADA & Process Control Systems – Ensures low-latency communication for real-time monitoring in oil & gas, water treatment, and power plants.
✔ Machine Vision & Automated Production Lines – Supports high-bandwidth data transfer for industrial cameras and inspection systems.

2. Intelligent Transportation Systems (ITS) & Traffic Management

✔ Roadside & Tunnel Communication Networks – Enables high-power PoE++ for IP cameras, VMS, and license plate recognition (LPR) systems.
✔ Traffic Signal Control & Electronic Toll Collection (ETC) – Delivers fiber-optic uplinks (SFP) for long-distance data transmission in high-EMI environments.
✔ Vehicle-to-Infrastructure (V2I) Connectivity – Facilitates real-time data exchange for smart highways and connected traffic systems.

3. Smart City & Public Safety Infrastructure

✔ Urban Surveillance & Security Networks – Powers 4K PTZ cameras, ANPR systems, and access control devices via 802.3bt PoE++ (90W per port).
✔ Public WiFi & Wireless Backhaul – Supports high-density WiFi 6/6E access points with Gigabit Ethernet and fiber redundancy.
✔ Emergency Communication & Disaster Recovery – Dual power inputs (12-48V DC) ensure uninterrupted operation in critical situations.

4. Military, Defense & Utility Networks

✔ Ruggedized Field Communications – IP40 metal housing & -40°C to 80°C operating range make it ideal for military mobile command centers and border surveillance.
✔ Smart Grid & Substation Automation – Complies with IEC 61850-3 & IEEE 1613 for power utility Ethernet networks.
✔ Oilfield & Mining Operations – 4KV surge protection & DIN-rail mounting withstand high vibration and extreme weather.

5. Enterprise & Data Center Edge Networking

✔ PoE Lighting & Building Automation – Centralizes power and data for smart LED lighting, HVAC controls, and occupancy sensors.
✔ Fiber-to-the-Edge (FTTE) Deployments – SFP slots extend Gigabit fiber links to remote offices and distributed IT equipment.

Technical Indexes

Ordering Information

Application Display Diagram

Established in 2001 & headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China.

Our main products include:

• Fiber Media Converters
• Industrial Ethernet PoE switchs
•  PoE Injectors & Splitters
• PoE Extenders
• Serial Fiber Converters
• SFP Transceivers
• HDMI Fiber Converters
• DVI Fiber Converters
• HD/3G/6G/12G Fiber Extenders
• CCTV Fiber Optic Converters
• HDMI/ DVI/ VGA/ SDI Ethernet Extenders

With rich experience in providing high quality products in the
telecom and CCTV business, E-link has a large manufacturing factory
in Shenzhen, able to provide cost-effective solutions 

to serve our customers successfully.



   

   

                                                                   
                                                                  
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Since the launch of our products in domestic and international
markets, we have won a good reputation for our high-quality
products and sincere services. Our products are widely applied to

• System of Telecom
• Public Security
• Bank
• Smart City
• Public transportation
• New Energy Developing
• CCTV Monitoring Transmission

We also provide ODM & OEM services and we have cooperated with some famous companies all
over the world. Our own brand "E-link" is also well known in many countries and have distributors there.





   





















































                                                                   
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E-Link quality:

• ISO9001 Quality System
• CE, RoHS, FCC certified 
• 48 hours of weathering test before delivery
• Conduct full-spectrum environmental and electrical testing on all product designs

   





Our knowledgeable sales, technical support and engineering
personnel are dedicated to understanding your needs and designing
products and solutions to meet your needs. We would be happy to
provide you with the best price, quality products and fast
delivery.