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4-Channel 3G-SDI Fiber Converter with RS485 & Tally with Automatic cable equalization to ensure sign

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August 28, 2025
Category Connection: SDI Video Extender
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Tags:
#Mini Converter Audio To SDI #HD Mini Converter Audio To SDI #Fiber Video Converter 20KM
Brief: Follow the narrative to see how small design choices affect everyday performance. In this video, we demonstrate the LNK-3GSDI-4V1DT 4-Channel Fiber Converter, showing how it integrates multi-channel video, RS485 control, and Tally signals through a single fiber optic cable. Watch as we explore its automatic cable equalization for signal integrity, loop output for real-time monitoring, and applications in broadcast and surveillance environments.
Related Product Features:
  • Transmits 4 channels of 3G/HD-SDI video over a single fiber optic cable with automatic cable equalization to ensure signal integrity.
  • Supports automatic reclocking for data rates from 270Mbit/s to 3Gbit/s and is directly compatible with 3G/HD-SDI camera systems.
  • Features 4-channel loop output for local monitoring and troubleshooting of video signals before long-distance transmission.
  • Includes support for 4-channel Tally signals for real-time status indication of each video source in multi-camera setups.
  • Provides 1-channel backward RS485 for bidirectional serial data communication to remotely control devices like PTZ cameras.
  • Enables long-distance transmission up to 20 km with options for other distances, resisting EMI and signal attenuation.
  • Uses non-compressed, broadcast-level transmission to preserve original video quality, meeting professional standards.
  • Operates within a wide temperature range of -10℃ to +55℃ and is designed for reliable performance in various environments.
Faqs:
  • What signals can be transmitted simultaneously through this converter?
    The converter synchronously transmits 4 channels of HD/3G-SDI video, 1 channel of RS485 data, and 4 channels of Tally signals all through a single fiber optic cable, simplifying infrastructure and reducing costs.
  • How does the automatic cable equalization feature benefit the system?
    Automatic cable equalization ensures signal integrity by compensating for signal degradation over cable lengths, supporting reliable transmission up to 150 meters at 3Gb/s and maintaining broadcast-grade quality.
  • Can I monitor the video signals locally before transmission?
    Yes, the transmitter unit includes 4-channel loop outputs, allowing you to connect local monitors for real-time signal previews, which aids in quick troubleshooting and ensures signal integrity.
  • What is the maximum transmission distance supported?
    The converter supports transmission distances up to 20 km (12.5 miles) over single-mode fiber, with options available for other distances to suit various installation needs.
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