L2 Industrial Managed Ethernet Switch 12-Port 10/100/1000T+4 10G SFP+

L2 Industrial Managed Ethernet Switch 12-Port 10/100/1000T +4 10G SFP+

Product Overview:
The LNK-GYM4012G-SFP Industrial Ethernet Switch delivers high-performance networking with 12×10/100/1000BASE-T ports and 4×10G SFP+ fiber slots, designed for mission-critical industrial applications. This L2+ managed switch combines advanced network control with rugged industrial reliability for harsh environments.

Key Features & Benefits:

✅ High-Speed Hybrid Connectivity

• 12×Gigabit Copper Ports: Support auto-negotiation for flexible device connections

• 4×10G SFP+ Uplinks: Enable ultra-fast fiber backhaul (up to 80km with single-mode)

• Non-Blocking Switching: Ensures wire-speed performance for real-time data

✅ Advanced Network Management (L2+)

• <20ms Self-Healing Redundancy (ERPS/RSTP/MSTP)

• Complete QoS Policies: Prioritize critical industrial traffic

• VLAN & Port Mirroring: For secure network segmentation and troubleshooting

✅ Industrial-Grade Reliability

• Fanless Metal Design: Operates in -40°C to 75°C environments

• 6KV Surge Protection: On all ports for outdoor installations

• Dual Power Inputs: Ensure 24/7 continuous operation

✅ Multi-Management Interfaces

• Web/CLI/SNMPv3 Control: For remote configuration

• Broadcast Storm Control: Prevents network congestion

• DHCP Snooping/ARP Inspection: Enhances network security

Product Features:

1. Advanced L2+ Network Management

• 802.1Q VLAN & Port Isolation: Enables secure network segmentation for OT/IT convergence

• IGMP Snooping v1/v2/v3: Optimizes multicast traffic for industrial video surveillance

• DHCP Snooping & IP Source Guard: Prevents unauthorized network access and IP spoofing

2. High-Performance Connectivity

• 12×10/100/1000BASE-T Ports: Support auto-negotiation and full wire-speed forwarding

• 4×10G SFP+ Fiber Ports: Deliver ultra-low-latency backbone connectivity (up to 80km)

• Jumbo Frames (9.6KB): Enhance throughput for 4K video and large data transfers

3. Carrier-Grade Reliability

• STP/RSTP (802.1D/W): Provides <50ms network recovery in redundant topologies

• ACL & ARP Inspection: Enforces granular security policies against cyber threats

• LLDP Protocol: Automatically discovers and maps network topology

4. Flexible Management Options

• Multi-Interface Control: Web GUI, CLI, Telnet, SSH, SNMPv3 for remote/on-site management

• Port Mirroring: Facilitates real-time network monitoring without disruption

• QoS Prioritization: Ensures low-latency transmission for critical industrial protocols

Technical Highlights:

• Industrial-Grade Components: 35,000+ hours MTBF

• Wide Temperature Operation: -40°C to 75°C

• 6KV Surge Protection: On all copper and fiber ports

• Fanless Design: For silent operation in sensitive environments

Application Scenarios

1. Smart Manufacturing Networks

• Implements deterministic Ethernet backbones for Industry 4.0 smart factories with <50ms RSTP recovery

• Supports EtherNet/IP and PROFINET protocols for seamless PLC/HMI integration

• Enables QoS-prioritized communication for real-time motion control systems (≤1ms latency)

2. Mission-Critical Transportation Systems

• Deploys in EN 50155-compliant railway networks with vibration-resistant design

• Powers CBTC (Communications-Based Train Control) systems via redundant fiber uplinks

• Provides port-based VLAN segmentation for secure onboard passenger WiFi networks

3. Energy Infrastructure Networks

• Meets IEC 61850-3 standards for substation automation systems

• Enables 9.6KB jumbo frames for PMU (Phasor Measurement Unit) data streaming

• Supports LLDP auto-topology discovery in distributed renewable energy plants

4. Intelligent Surveillance Systems

• Facilitates bandwidth-efficient 4K video transmission via IGMP snooping v3

• Implements port mirroring for forensic analysis of security camera feeds

• Delivers encrypted management (SSH/SNMPv3) for cyber-secure surveillance networks

5. Harsh Industrial Environments

• Operates reliably in -40°C to 75°C for mining/oil/gas field deployments

• Withstands 6KV surge events in electrically noisy manufacturing plants

• Features IP40-rated metal housing for dusty and humid conditions

Technical Superiority:

• Protocol-aware switching for industrial automation standards

• Deterministic performance with TSN (Time-Sensitive Networking) readiness

• Conformal coated PCBs resist humidity and corrosive gases

• 35,000-hour MTBF certification for mission-critical operations

Technical Indexes

Ordering Information

Application

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.





   





















































                                                                   
                                    (Customer visit)





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.