E-link China Technology Co.,LTD
| Payment Terms | L/C,T/T,Western Union,MoneyGram,Paypal |
| Supply Ability | 1000 pcs/month |
| Delivery Time | 5-12 working days |
| Packaging Details | Industrial Ethernet Switch Standard Export Package |
| Keyword | 4 ports Managed Ethernet Switch |
| Copper Ports | 4 × 10/100BASE-TX |
| Fiber Ports | 2 x 100BASE-SC |
| Power Input | 7-28V DC Redundant |
| Mounting Options | DIN-Rail / Wall-mount |
| Defects Liability Period | 5-year warranty |
| Brand Name | E-link |
| Model Number | LNK-GYM4FE4RS-2SC |
| Certification | ROHS,FCC,CE |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | L/C,T/T,Western Union,MoneyGram,Paypal | Supply Ability | 1000 pcs/month |
| Delivery Time | 5-12 working days | Packaging Details | Industrial Ethernet Switch Standard Export Package |
| Keyword | 4 ports Managed Ethernet Switch | Copper Ports | 4 × 10/100BASE-TX |
| Fiber Ports | 2 x 100BASE-SC | Power Input | 7-28V DC Redundant |
| Mounting Options | DIN-Rail / Wall-mount | Defects Liability Period | 5-year warranty |
| Brand Name | E-link | Model Number | LNK-GYM4FE4RS-2SC |
| Certification | ROHS,FCC,CE | Place of Origin | China |
| High Light | Industrial Ethernet switch with RS485 ports ，Managed Ethernet switch with 100FX ring ，L2+ industrial switch with 10/100TX ports | ||
L2+ Industrial 4-Port 10/100TX + 4-Port RS485 + 2-Port 100FX Ring Managed Ethernet Switch
Product Overview:
The LNK-GYM4FE4RS-2SC Industrial Managed Switch is a multi-protocol networking solution combining 4×10/100BASE-TX ports, 4×RS485 serial interfaces, and 2×100BASE-FX fiber ports for mission-critical industrial applications. This L2+ managed switch delivers reliable data transmission in harsh environments with advanced redundancy and protocol conversion capabilities.
Key Features & Benefits:
✅ Multi-Protocol Industrial Connectivity
4×10/100BASE-TX Ports: Enable Ethernet device integration with auto-negotiation
4×RS485 Serial Ports: Support Modbus TCP/RTU conversion for legacy industrial devices
2×100BASE-FX Fiber Ports: Create redundant optical rings with <20ms recovery
✅ Advanced Network Management (L2+)
Ring Network Redundancy: Ensures continuous operation in mission-critical systems
Serial Port Server Functionality: Enables remote serial device management
VLAN/QoS/ACL Support: Prioritizes critical industrial traffic
✅ Industrial-Grade Reliability
-40°C to +85°C Operation: Withstands extreme temperature environments
Dual DC Power Inputs (7-28V): Provides power redundancy for 24/7 operation
IP40 Protection: Resists dust, vibration, and EMI interference
4×10/100BASE-TX Ports: Enable Ethernet device integration with auto-negotiation
4×RS485 Serial Ports: Support Modbus TCP/RTU conversion and custom protocol translation
2×100BASE-FX Fiber Ports: Create redundant optical rings with <20ms recovery
Flexible Operation Modes: Transparent transmission, Modbus TCP↔RTU, UDP, multicast
Custom Protocol Conversion: Adapts to legacy industrial device communication
2K MAC Address Table: Supports unicast/multicast allocation for efficient traffic management
IEEE 802.3/u/ab/z/x Compliant: Ensures standards-based interoperability
Store-and-Forward Mode: Guarantees error-free data transmission
Large Backplane Bandwidth: Delivers wire-speed forwarding for all ports
Dual DC Power Inputs (7-28V): Reverse-polarity & over-current protected for 24/7 operation
-40°C to +80°C Operating Range: Withstands extreme outdoor/industrial environments
DIN-Rail/Wall-Mount (IP40): Compact design for space-constrained installations
Application Scenarios
Industrial Automation Networks
Integrates Ethernet-enabled PLCs with legacy RS485 devices (Modbus RTU) via protocol conversion
Enables deterministic communication (<1ms latency) for real-time control systems
Supports device-to-cloud connectivity in Industry 4.0 smart factories
Power Utility Automation
Complies with IEC 61850-3 standards for substation communication networks
Facilitates serial-to-Ethernet migration of protective relays and meters
Provides fiber-optic redundancy for GOOSE/SMV message delivery
Intelligent Transportation Systems
Meets EN 50155 requirements for railway onboard networks
Connects trackside sensors via RS485 and Ethernet simultaneously
Withstands vibration (IEC 61373) and extreme temperatures (-40°C to +80°C)
Oil & Gas Field Monitoring
Implements explosion-proof networks in Class I Div 2 hazardous areas
Transmits SCADA data through fiber-optic links (up to 2km)
Features dual 7-28V DC inputs for uninterrupted operation
Military & Defense Systems
Provides EMI-shielded communication for mobile command units
Supports custom serial protocols for specialized military equipment
Delivers IP40 protection in dusty/sandy environments
Technical Superiority:
Protocol-transparent operation for multi-vendor device integration
Conformal coated PCBs resist humidity and chemical corrosion
35,000-hour MTBF certified for mission-critical deployments
Jumbo frame support optimizes SCADA/telemetry data throughput
Technical Indexes
| Copper Ports | 4 × 10/100BASE-TX, RJ45 |
| Fiber Ports | 2 x 100BASE-SC (ST/FC Optional) |
| Serial Ports | 4 x RS485, Industrial Terminal Block |
| Transmission mode | Store and Forward (full/half duplex mode) |
| Serial port mode | Supports multiple modes: server, terminal, UDP, multicast |
| Serial port type | Support transparent transmission mode, MODBUS TCP to RTU, special frame mode |
| Redundant power input | 7-28V DC |
| Power Consumption | <3W |
| Casing | IP40 Aluminum |
| Dimensions (L x W x H) | 128mm x 105mm x 40mm |
| Weight | 350g |
| Mounting Options | DIN-Rail / Wall-mount |
| Operating Temperature | -40℃~80℃ |
| Operating Humidity | 5%~90% non-condensing |
| MTBF | 500,000 hours |
| Defects Liability Period | 5-year warranty, lifetime technical support |
Ordering Information
| Model | Description |
| LNK-GYM4FE4RS-2SC | L2+ Industrial 4-Port 10/100TX + 4-Port RS485 + 2-Port 100FX (Single Mode, Dual Fiber, SC 20KM) Ring Managed Ethernet Switch |
| Mounting Options | ► Default DIN-Rail Bracket installed; Wall Mount Bracket is included. |
| Power Options | ►12W/1A 12VDC DIN-Rail Power Supply. Open Wire for Terminal Block. |
| ► Power Supply is to be purchased separately. |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2001
Total Annual:
>10000000
Employee Number:
21~200
Ecer Certification：
Verified Supplier
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 P... 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 P...
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