3G-SDI Fiber Converter with Loop-out Tally RS485 RS422 Audio Microphone 20km

Model: LNK-3G-1BV1T2BD2A1M Series

 Product Description & Overview

This advanced 3G/HD-SDI Fiber Converter delivers comprehensive signal integration for professional

video transmission applications, combining high-definition video with multiple auxiliary signals through

single fiber optic infrastructure. The system features 1-channel bidirectional 3G/HD-SDI video with

embedded audio and loop-out capability, complemented by 1-channel tally signaling, 2-channel

bidirectional RS485/RS422 data communication, 2-channel external stereo audio inputs, and 1-

channel microphone input. The complete transmitter and receiver set ensures reliable 1080P signal

transmission while maintaining broadcast-grade quality standards across all channels.

Engineered for mission-critical applications, this fiber converter demonstrates exceptional stability

and picture clarity through advanced optical transmission technology. The integrated LED status

indicators provide real-time visual monitoring of device operation, enabling immediate fault detection

and system status assessment. The robust construction and sophisticated signal processing circuitry

ensure consistent performance in demanding environments, making it suitable for both indoor and

outdoor installations where signal reliability is paramount.

This versatile fiber converter serves multiple industry sectors including intelligent transportation

systems for traffic monitoring, security and surveillance networks, educational campus broadcasting,

and industrial monitoring in power, chemical, steel, petroleum, and railway operations. Military

applications encompass warehouse security, border surveillance, and guard post monitoring,

while broadcasting applications include TV program transmission and live event coverage in

stadiums and sports venues. The fiber optic transmission technology provides complete immunity

to electromagnetic interference, ensuring secure and reliable operation in electrically noisy

environments. By consolidating multiple signal types through a single fiber connection, this

solution significantly reduces installation complexity while providing superior performance

compared to traditional copper-based systems, establishing new benchmarks for multi-signal

transmission reliability in professional video applications.

Key Features Bullets

• Bidirectional HD Video Transmission
  Single-channel bidirectional 3G-SDI video with loop-out monitoring and embedded audio support

• Professional Tally Signaling
  Dedicated tally channel for camera status indication and production coordination

• Dual-Channel Data Communication
  Two bidirectional RS485/RS422 data ports for device control and signal transmission

• Multi-Channel Audio Integration
  Two-channel stereo audio inputs plus one microphone channel for comprehensive audio coverage

• Advanced Signal Recovery
  Automatic reclocking from 270Mbps to 3Gbps ensuring signal integrity across varying data rates

• High-Definition Video Support
  Compatible with HDTV formats including 720P, 1080I, 1080P at 1920×1080@60Hz resolution

• Extended Fiber Transmission
  Long-distance capability up to 20km over single-mode fiber optic cables

• Hot-Swappable Operation
  Supports hot swap and hot plug functionality for uninterrupted system maintenance

• Broadcast-Grade Quality
  Fully digital non-compression transmission maintaining broadcast-level video quality

• Industrial Temperature Range
  Ultra-broad operating temperature from -20℃ to +70℃ for harsh environment deployment

Technical Specifications & Indexes

Application Scenarios