Industrial Serial Fiber Optic Modem SFP Slots 80km DIN-Rail Mount RS232/485/422

Overview

The LNK-IRS93-SFP represents an advanced industrial-grade serial communication converter, engineered to bridge traditional RS232/RS485/RS422 interfaces with modern fiber optic networks. This innovative modem features modular SFP (Small Form-factor Pluggable) fiber optic interfaces, allowing flexible adaptation to both multimode and single-mode fiber infrastructures with transmission capabilities extending to 80 kilometers.

Through its intelligent fiber conversion technology, the system effectively eliminates persistent industrial communication challenges including electromagnetic interference (EMI), signal ground loops, and lightning surge damage. The electrically isolated optical pathway ensures complete data integrity while providing enhanced security against data interception or corruption in sensitive applications.

Designed for maximum deployment flexibility, the unit supports versatile DIN-rail mounting and distribution box installation, making it suitable for space-constrained industrial environments. The modular SFP design significantly reduces maintenance costs and inventory requirements, allowing network administrators to easily adapt to changing fiber infrastructure needs without replacing entire units.

This robust communication solution finds extensive application across industrial automation networks, intelligent transportation systems, process control environments, and professional stage lighting installations (DMX512 compatible). Its modular architecture and industrial hardening make it particularly valuable for harsh environment applications requiring reliable serial communication with future-proof fiber connectivity.

Features

• Modular Fiber Connectivity

  • Features hot-swappable SFP slots for flexible fiber module compatibility, enabling quick adaptation between multimode and single-mode fiber types without hardware replacement.

• Intelligent Data Transmission

  • Delivers fully transparent serial protocol conversion with auto-negotiating baud rate technology, automatically adjusting to data rates from 0 to 2Mbps while maintaining EIA/TIA standard compliance.

• Robust Environmental Endurance

  • Engineered for extreme temperature operations from -40°C to 75°C, featuring industrial-grade components that ensure reliable performance in harsh environmental conditions.

• Advanced Protection System

  • Incorporates multi-stage surge protection and enhanced electrostatic discharge (ESD) protection, providing comprehensive defense against power surges and voltage spikes in industrial settings.

• Professional Control Protocol Support

  • Enables DMX512 lighting control systems integration, supporting high-speed stage lighting networks and architectural lighting control with precise timing requirements.

• Comprehensive Status Monitoring

  • Equipped with multi-function diagnostic indicators for real-time monitoring of power status, fiber link integrity, and serial data activity, facilitating quick troubleshooting.

• Flexible Installation Design

  • Supports dual mounting options with both standard DIN-rail and versatile wall-mount installation, accommodating various industrial enclosure configurations and space constraints.

• Maintenance-Friendly Operation

  • Designed for true plug-and-play deployment with hot-swappable capability, allowing seamless system maintenance and module replacement without service interruption.

Application Scenarios

• Industrial Automation Networks
  Enables PLC-to-scada communication in manufacturing facilities, providing signal isolation between motor drive systems and distributed control systems through noise-free fiber optic links with transparent protocol conversion.

• Stage & Entertainment Lighting
  Supports DMX512-A lighting control protocols for theater lighting systems and architectural facade lighting, delivering reliable lighting console signals across large venues while eliminating ground loop interference.

• Utility Infrastructure Monitoring
  Facilitates substation automation and power grid monitoring through modbus RTU/TCP conversion, extending protective relay communications over single-mode fiber with surge protection for critical infrastructure.

• Intelligent Transportation Systems
  Provides signal conditioning for railway signaling networks and highway traffic control, maintaining data integrity in extreme temperatures through environmentally hardened design (-40°C to 75°C).

• Process Control Applications
  Connects distributed I/O modules and sensor networks in chemical processing plants, ensuring intrinsically safe communication through fully isolated fiber optic transmission pathways.

• Building Management Systems
  Integrates legacy building controllers and environmental monitors into modern IP-based BMS networks using hot-swappable SFP connectivity for flexible fiber deployment.

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.