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1U Rack-Mountable 8-Channel SD/HD/3G-SDI Over Single Fiber CWDM Uncompressed Extender

Product Details

Place of Origin: China

Brand Name: E-link

Certification: ISO9001 / CE / RoHS / FCC

Model Number: LNK-SDI-8V Series

Payment & Shipping Terms

Minimum Order Quantity: 1pair

Price: US$1179-US$1299/pair

Packaging Details: SDI Fiber EXtender Standard Carton Packaging

Delivery Time: 1-3working days

Payment Terms: L/C,T/T,Western Union,MoneyGram,PayPal

Supply Ability: 10000pairs/Month

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Specifications
Highlight:

CWDM Uncompressed Extender

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SD/HD/3G-SDI Over Single Fiber Extender

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1U Rack-Mountable Extender

Wavelength:
1310nm/1550nm
Power Adaptor:
AC 110~220V
Weight:
7KG/pair
Casing:
Aluminum Case
Operating Temperature:
-20℃~+70℃
Dimensions (WxDxH):
19inch 1U (483 X 220 X 44.45mm )
Wavelength:
1310nm/1550nm
Power Adaptor:
AC 110~220V
Weight:
7KG/pair
Casing:
Aluminum Case
Operating Temperature:
-20℃~+70℃
Dimensions (WxDxH):
19inch 1U (483 X 220 X 44.45mm )
Description
1U Rack-Mountable 8-Channel SD/HD/3G-SDI Over Single Fiber CWDM Uncompressed Extender

1U Rack-Mountable 8-Channel SD/HD/3G-SDI over Single Fiber CWDM Uncompressed Extender


SDI Fiber Extender Overview:

The LNK-SDI-8V Series represents an advanced fiber optic transmission solution engineered for high-density broadcast and professional video applications. This 1U rack-mountable system incorporates CWDM (Coarse Wavelength Division Multiplexing) technology to simultaneously transmit eight independent SD/HD/3G-SDI video channels over a single optical fiber, maximizing bandwidth efficiency while minimizing infrastructure costs.

Our uncompressed fiber extenders maintain pristine broadcast-quality video signals throughout transmission, supporting full 1080P resolution with complete compliance to SMPTE standards (424M, 292M, 259M). Each channel features local loop-through monitoring outputs, enabling real-time signal verification without interrupting the primary transmission path. The integrated CWDM architecture provides exceptional wavelength stability and optical performance, ensuring reliable operation in demanding environments.

Beyond multi-channel video transmission, this comprehensive solution incorporates a dedicated reverse RS-485 data channel for bidirectional device control, supporting PTZ camera operations, robotic systems, and remote equipment management. The system delivers CD-quality audio transmission with perfect synchronization to video signals, meeting professional broadcast requirements for lip-sync accuracy and audio fidelity.

Specifically designed for broadcast facilities, live event production, and mission-critical video distribution networks, this rack-mountable extender provides complete electrical isolation and superior immunity to electromagnetic interference. The robust 1U chassis design offers space-efficient integration into standard equipment racks, making it an ideal solution for television studios, sports venues, and security operations centers requiring high-density SDI signal extension with uncompressed quality and reliable performance.


Features

  • Advanced Signal Processing Technology

    • Incorporates automatic signal reclocking circuitry that maintains signal integrity across all data rates from 270Mbps to 3Gbps, featuring adaptive cable equalization for varying cable conditions.

  • High-Density Optical Multiplexing

    • Utilizes CWDM wavelength division multiplexing technology to consolidate 8 independent SDI channels over single-fiber infrastructure, optimizing fiber resource utilization while reducing deployment costs.

  • Intelligent System Monitoring

    • Equipped with comprehensive LED status indicators providing real-time channel monitoring and instant fault identification for all video channels and optical links.

  • Extended Transmission Performance

    • Delivers uncompressed broadcast-quality video with superior optical dynamic range, supporting transmission distances from minimum 10km to maximum 120km without signal degradation.

  • Robust Power Design

    • Features industrial-grade terminal block power input with wide voltage compatibility, ensuring stable operation in demanding broadcast environments and mobile production units.

  • Seamless System Integration

    • Maintains native compatibility with legacy and modern SDI equipment, supporting SD/HD/3G-SDI standards while enabling bidirectional RS-485 control for camera PTZ operations.

  • Maintenance-Optimized Operation

    • Enables hot-swappable module replacement and tool-free maintenance, allowing system expansion and component upgrades without service interruption.

  • Environmental Durability

    • Engineered for industrial temperature range operation, ensuring reliable performance in extreme climate conditions from outdoor broadcast to controlled studio environments.

Application Scenarios

  • Broadcast Facility Infrastructure
    Enables multi-camera signal aggregation in television broadcast centers, supporting studio camera feeds and production video routing through CWDM multiplexing technology over single-fiber backbone networks.

  • Live Event Production Systems
    Facilitates high-density video distribution for mobile production trucks and temporary event venues, transmitting multiple camera angles to production switchers with uncompressed signal quality and frame-accurate synchronization.

  • Sports Broadcasting Networks
    Supports stadium video systems by distributing multi-angle camera signals from venue positions to central production rooms, maintaining 3G-SDI signal integrity across extended fiber runs up to 120km.

  • Corporate AV Integration
    Enables boardroom presentation systems and distance learning networks to distribute multiple HD sources to display processors and recording systems with bidirectional camera control capabilities.

  • Security Monitoring Centers
    Integrates high-definition surveillance networks with PTZ camera control, supporting multi-camera monitoring across distributed facilities while operating in industrial temperature ranges.

  • Government Command Centers
    Provides mission-critical video distribution for situation awareness displays, ensuring signal redundancy and 24/7 operation in secured communication environments.


Technical Indexs

Fiber Optical interface
Fiber interface Simplex LC
Transmission distance 550m-20Km
Wavelength 1310nm/1550nm
Video
Video interface BNC
Video input/output impedance 75Ω
Video input/output voltage Typical:1Vpp, Min 0.5Vpp, Max 1.5Vpp
Video Bits Rate Max 3.2Gb/s
Differential gain (10%~90% APL) <1%
SDI format support 625/25 PAL
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 270Mbps (SD-SDI), 1.485Gbps/M(HD-SDI)
SMPTE425M3Gb/s Mapping(3G-SDI)
SMPTE424M 3Gb/s serial interface(3G-SDI)
Data
Physical interface Industrial standard screw terminal
Data type Reverse RS485
Frequency/Rate support Max. 57600bps for RS485
BER <10ˉ9
Electrical
Power adaptor AC 110~220V
Power consumption <15W
LED Indicator
SDI A/B/C/D/E/F/G/H SDI video
PWR Power Supply
Mechanical
Dimensions (LxWxH) 19inch 1U (483 x 220 x 44.45mm )
Weight 7KG/pair
Casing Aluminum Case
Mounting Options Rackmount
Environmental
Working Temperature -20℃~+70℃
Storage Temperature -40℃~+80℃
Working Humidity 0~95%
MTBF ≥100000 hours


Ordering Information

Model Description
LNK-SDI-8V 19" 1U 8-Ch HD-SDI Video with Loop-out, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs
LNK-SDI-8V1R 19" 1U 8-Ch HD-SDI Video with Loop-out + 1-Ch RS485 Reverse Data, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs
LNK-SDI-8V1A 19" 1U 8-Ch HD-SDI Video with Loop-out + 1-Ch Forward Audio, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs
LNK-3GSDI-8V 19" 1U 8-Ch 3G-SDI 1080P Video with Loop-out, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs
LNK-3GSDI-8V1R 19" 1U 8-Ch 3G-SDI 1080P Video with Loop-out + 1-Ch RS485 Reverse Data, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs
LNK-3GSDI-8V1A 19" 1U 8-Ch 3G-SDI 1080P Video with Loop-out + 1-Ch Forward Audio, 20km, SM, LC, including 1 transmitter & 1 receiver, used by pairs


Application Display Diagram

1U Rack-Mountable 8-Channel SD/HD/3G-SDI Over Single Fiber CWDM Uncompressed Extender 0

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