RS485 to Fiber Converter Transparent Data Transmission Surge Protection

Industrial Serial RS232/RS485/RS422 Fiber Optic Modem

Industrial Serial Fiber Optic Modem Overview

The LNK-IRS93 Series represents a robust industrial-grade interface conversion solution designed to bridge traditional serial communication systems with modern fiber optic networks. This versatile converter efficiently transforms standard RS-232, RS-485, and RS-422 electrical signals into optical transmissions, enabling extended communication distances of up to 2 kilometers over multimode fiber and an impressive 80 kilometers using single-mode fiber optic cabling.

By leveraging optical fiber communication technology, this converter effectively eliminates common challenges associated with copper-based serial connections, including electromagnetic interference, ground loop disturbances, and lightning-induced damage. The transition to fiber optic transmission significantly enhances data communication reliability while providing inherent security benefits through electrical isolation and immunity to signal interception.

Engineered for demanding industrial environments, the LNK-IRS93 Series features a compact form factor suitable for DIN-rail mounting or installation within distribution boxes. Its broad compatibility makes it ideal for diverse applications spanning industrial automation, process control systems, entertainment lighting control, and intelligent transportation networks where data integrity and communication reliability are paramount in electrically noisy conditions.

Industrial Serial Fiber Optic Modem Features

• Zero-Configuration Operation
  Features true plug-and-play functionality with hot-pluggable capability enabling immediate deployment without manual configuration or system downtime during installation

• Extended Fiber Optic Transmission
  Provides bidirectional serial signal extension supporting multimode fiber transmission up to 2km and single-mode fiber connectivity extending to 80km for long-distance industrial networks

• Standard Serial Protocol Compliance
  Fully compatible with EIA/TIA RS-232/485/422 industrial communication standards supporting configurable baud rates from 0 to 115200 bps for versatile device integration

• Intelligent Data Transparency
  Maintains complete serial data transparency with automatic baud rate adaptation ensuring seamless compatibility across various equipment without manual parameter settings

• Professional Lighting Control Support
  Optimized for high-speed DMX512 communication protocols in stage lighting and architectural illumination systems delivering reliable real-time control signal transmission

• Flexible Mounting Options
  Designed for versatile installation with DIN-rail mounting compatibility and wall-mount capability facilitating easy integration in control cabinets and industrial enclosures

• Enhanced Electrical Protection
  Incorporates built-in surge protection and electrostatic discharge shielding safeguarding connected equipment from voltage spikes and electrical transients

• Comprehensive Status Monitoring
  Equipped with diagnostic LED indicators providing real-time visibility into power status fiber link integrity and data transmission activity for simplified maintenance

• Industrial Temperature Endurance
  Operates reliably across extended temperature range from -40°C to 75°C ensuring consistent performance in extreme environmental conditions

• Automatic Signal Regeneration
  Features signal regeneration technology that cleans and reshapes serial data streams eliminating jitter and timing errors across extended fiber distances

• Dual Fiber Interface Options
  Supports both SC and ST fiber connector types providing flexibility in fiber optic infrastructure integration for various industrial application requirements

Industrial Serial Fiber Optic Modem Technical Indexes

Industrial Serial Fiber Optic Modem Ordering Information

Model	Description
LNK-IRS93-SFP	Industrial Serial RS232/RS485/RS422 with SFP port
LNK-IRS93-SCMM	Industrial Serial RS232/RS485/RS422 , SC MM 850nm, 550m
LNK-IRS93-SC20	Industrial Serial RS232/RS485/RS422 , SC SM 1310nm, 20km
Mounting Options	► Default DIN-Rail Bracket installed, Wall Mount Bracket is included.
Power Options	► Power Supply is to be purchased separately

Industrial Serial Fiber Optic Modem Application

• Industrial Automation Networks: Provides reliable backbone connectivity for PLCs, sensors, and control systems in manufacturing facilities, withstanding vibration, shock, and wide temperature variations.

• Outdoor and Harsh Environment Installations: The IP40-rated rugged metal housing ensures operational integrity in dusty conditions and extreme temperatures from -40°C to 80°C.

• Intelligent Transportation Systems (ITS): Supports network infrastructure for traffic monitoring devices, roadside equipment, and surveillance systems along roadways and tunnels.

• Flexible Power Deployment Scenarios: With wide 12-48V DC input range and optional PoE capability, it adapts to various power configurations for remote and mobile installations.

• Space-Constrained Industrial Applications: Compact design with dual mounting options enables efficient deployment in control cabinets, machinery, and confined spaces using DIN-rail or wall mounting.

After-Sales and Warranty Policy

It is composed of online customer service and telephone customer service, providing product consultation,

remote technical support, maintenance and acceptance services.

Service Policy: Three-month replacement and three-year warranty.

Replacement: Within three months of purchasing a series of products, after testing the product failure

by technicians and man-made damage caused by non-natural disasters, the purchaser can directly

go to the purchasing point to replace the same type of products.Or a product of comparable performance.

If there is no trouble in product testing, the original sample will be returned.

Warranty: Man-made damage caused by non-natural disasters, our company's free warranty period is 1 year.

[The following circumstances do not fall within the scope of replacement and free maintenance]

1.Damage caused by operation and maintenance not in accordance with the instructions in the product manual.
2.Damage caused by human factors, such as inappropriate voltage input, water intake and breakage.
3.Damage to products caused by natural disasters, such as lightning, earthquakes, fires, etc.
3.Unauthorized alteration of the inherent settings or repair without the company's permission.
4.Products beyond the scope of free maintenance.
5.Damage caused by transportation, loading and unloading during repairs sent by customers.
6.The product bar code or model on the product warranty card does not conform to the product itself.
7.Failure or damage caused by other non-product problems such as design, technology, manufacturing and quality.

Established in 2001& headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading Fiber Optic Communication and CCTV Security Transmission product manufacturer in China. Our main products include active equipments including fiber media converters, CCTV fiber converters, CCTV over Ethernet Converters (HD-SDI over Ethernet, HDMI over Ethernet, Power over Ethernet), etc. With rich experience in providing high quality products in telecom and CCTV business, E-link has a large manufacturing base in Shenzhen, able to deliver cost-effective solutions to serve our customers successfully.

E-Link Quality:

• ISO9001 Quality System

• Full-Spectrum environment and electrical testing of all product design

• 48 hours aging test before delivery

• Qualified CE, RoHS, FCC

Since the launch of our products on the domestic market and international market, we have won a good reputation for our high quality products and sincere services. Our products are widely applied to network systems of Telecom, Radio and Television, Public Security, Bank ,ect. To be in line with different needs of different customers, we have people to trace the latest market information so as to keep our products competitive and vital.

Our knowledgeable sales, technical support and engineering staff are dedicated to understanding your requirements and designing products & solutions to meet your needs. We shall be pleased to provide you fiber optical network products with our best price, superior quality and fast delivery.