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Mini 3G-SDI Fiber Converter Bi-directional HD-SDI 80km Hot Plug
Mini 3G-SDI Fiber Converter Bi-directional HD-SDI 80km Hot Plug
Model: LNK-M3G-BI20 Series
Product Description & Overview
The Mini Bi-directional HD/3G-SDI to Fiber Converter provides a compact yet powerful solution for
high-quality video transmission, enabling reliable 1080p signal delivery over fiber optic infrastructure.
This system consists of a matched transmitter and receiver pair that supports a single-channel bi-
directional 3G/HD-SDI video stream with embedded audio, making it ideal for space-constrained
installations without compromising performance. The converter leverages advanced fiber optic
technology to ensure full digital non-compression broadcast-level transmission, maintaining
pristine signal integrity even over extended distances while handling all SMPTE pathological
test patterns for maximum reliability.
Designed with versatility in mind, this miniature converter features a robust all-digital architecture
that eliminates the need for signal compression, thereby preserving original video quality without
introducing latency or artifacts. Its bi-directional capability allows for flexible deployment in point-to
-point links where video and control signals must travel in both directions over a single fiber pair.
The device's compact form factor makes it particularly suitable for integration into flypacks, camera
backplates, and tight equipment racks commonly found in mobile production units and modern broadcast
facilities.
This high-performance converter is engineered to meet the rigorous demands of professional
applications, finding extensive use in broadcast studio links, live event production, high-security
surveillance systems, and corporate video conferencing environments. By converting electrical
SDI signals to optical format, the system provides complete immunity to electromagnetic interference
and ground loop issues, ensuring stable operation in electrically noisy settings. The solution offers
broadcasters, security integrators, and AV professionals a reliable, high-quality method for extending
HD and 3G-SDI video connections while maintaining the simplicity and efficiency required in today's
fast-paced production landscapes.
Key Features Bullets
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Multi-Channel Embedded Audio
Each SDI channel supports 4 embedded audio channels for integrated audio-video transmission.
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Advanced Signal Integrity Management
Automatic cable equalization for all data rates up to 3.2 Gb/s, ensuring optimal long-distance performance.
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Precision Clock Recovery & Reclocking
Automatic reclocking across 270 Mbps, 1.48 Gbps, and 3 Gbps for stable signal regeneration.
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Professional Camera System Compatibility
Direct plug-and-play compatibility with industry-standard HD/3G-SDI camera systems.
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Extended Long-Haul Transmission
Supports reliable video transmission distances up to 80km over single-mode fiber.
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Hot-Swappable Operation
Enables hot swapping and hot plugging for zero-downtime maintenance and system upgrades.
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Broadcast-Grade Signal Processing
Handles all pathological patterns with full digital non-compression, maintaining broadcast-level quality.
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Real-Time Status Monitoring
Comprehensive LED status indicators for immediate visual confirmation of operational conditions.
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Superior Optical Performance
High dynamic range optical design requiring no manual adjustment for optimal signal clarity.
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Industrial Temperature Resilience
Ultra-broad operating temperature range from -20℃ to +70℃ for reliable performance in harsh environments.
Technical Specifications & Indexes
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Fiber Optical interface
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|
Fiber interface
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Simplex LC
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Transmission distance
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0-20Km (Other distance available)
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|
Video
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|
Video interface
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BNC
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Video input/output impedance
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75Ω
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|
Video input/output voltage
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Typical:1Vpp, Min 0.5Vpp, Max 1.5Vpp
|
|
Video Bits Rate
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Max 3.2Gb/s
|
|
Differential gain (10%～90% APL)
|
<1%
|
|
SDI format support
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625/25 PAL
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525/29.97 NTSC, 525/23.98 NTSC
|
|
720p50, 720p59.94
|
|
1080i 23/24/30/50/59.94
|
|
1080P 23.98/24/30/50/60
|
|
Video SDI standard
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270Mbps (SD-SDI), 1.485Gbps/M(HD-SDI)
|
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SMPTE425M3Gb/s Mapping(3G-SDI)
|
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SMPTE424M 3Gb/s serial interface(3G-SDI)
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Electrical
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Power input
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DC 5V, USB-C power port
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|
Power consumption
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<5W
|
|
LED Indicator
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SDI
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SDI video
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P/T
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Power Supply
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Mechanical
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Dimensions (LxWxH)
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73 x 44 x 17 mm
|
|
Weight
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0.45KG/pair
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Casing
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Aluminum Case
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|
Mounting Options
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Desktop
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|
Environmental
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|
Working Temperature
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-20℃～+70℃
|
|
Storage Temperature
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-40℃～+80℃
|
|
Working Humidity
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0~95%
|
|
MTBF
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≥100000 hours
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Ordering Information
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Model
|
Description
|
|
LN K-MHD-BIMM
|
Mini-type Bi-directional HD-SDI to Fiber Converter, MMF, LC Fiber Connector 500 meters, including Transmitter and Receiver, used by pairs
|
|
LNK-MHD-BI20
|
Mini-type Bi-directional HD-SDI to Fiber Converter, SMF, LC Fiber Connector 20KM, including Transmitter and Receiver, used by pairs
|
|
LNK-MHD-BI40
|
Mini-type Bi-directional HD-SDI to Fiber Converter, SMF, LC Fiber Connector 40KM, including Transmitter and Receiver, used by pairs
|
|
Model
|
Description
|
|
LNK-M3G-BIMM
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Mini-type Bi-directional 3G-SDI to Fiber Converter, MMF, LC Fiber Connector 500 meters, including Transmitter and Receiver, used by pairs
|
|
LNK-M3G-BI20
|
Mini-type Bi-directional 3G-SDI to Fiber Converter, SMF, LC Fiber Connector 20KM, including Transmitter and Receiver, used by pairs
|
|
LNK-M3G-BI40
|
Mini-type Bi-directional 3G-SDI to Fiber Converter, SMF, LC Fiber Connector 40KM, including Transmitter and Receiver, used by pairs
|
Application Scenarios
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Compact mobile broadcast and fly-pack systems
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Remote camera links for ENG and event production
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High-security surveillance and monitoring installations
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Professional video conferencing and boardroom systems
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Studio-quality inter-facility signal distribution
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