Mini 4K DVI Fiber Extender with RS232, up to 80km Transmission Distance
Overview
The LNK-MDR4K Mini 4K DVI Fiber Optic Extender with RS232 enables long-distance
transmission of uncompressed 4K DVI video and RS232 control signals over a single optical
fiber. Supporting resolutions up to 4K×2K@60Hz (YUV 4:2:0), this compact extender ensures
crystal-clear video quality and low-latency signal performance over distances up to 80
kilometers.
The transmitter module converts the DVI input into a high-speed 10Gbps optical data stream,
while the receiver restores it back to a standard DVI signal with full integrity and no compression
loss. Engineered with high interference immunity and excellent signal stability, the extender is
RoHS compliant and fully lead-free, meeting environmental standards in both Europe and China.
This fiber optic DVI extender is widely used in large-screen video walls, conference room
systems, control centers, and home theater installations, offering professional-grade reliability
and high-quality 4K signal transmission for any demanding AV or communication environment.
large-scale display, and control systems.
Features
Complies with DVI 1.0 and HDCP 1.2 Standards, ensuring stable signal integrity and compatibility
with a wide range of display devices and video sources.
Delivers uncompressed digital video transmission with zero latency and zero signal loss,
maintaining crystal-clear 4K image quality even over long fiber distances.
High-speed optical data rate up to 10.2Gbps, providing smooth, high-bandwidth transmission for
demanding visual applications.
Supports ultra-long transmission distance up to 80 kilometers via single-mode optical fiber, ideal
for large-scale AV or industrial communication systems.
Compatible with all DVI display modes up to 4K×2K@60Hz, YUV 4:2:0, guaranteeing full resolution
support for high-definition and 4K displays.
Integrated RS232 serial communication channel, enabling reliable control signal extension for
professional AV and automation systems.
Automatic EDID recognition for plug-and-play setup, intelligently matching different source and display
devices without manual configuration.
Hot-pluggable and EMI/RFI resistant design, ensuring secure and interference-free operation in
complex electromagnetic environments.
Compact mini-sized metal housing, designed for easy installation, flexible placement, and long-term
durability in space-limited applications.
Wide operating temperature range (-10°C to +50°C), ensuring dependable performance in various
industrial and commercial environments.
Technical Indexes
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Type of Extender
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DVI signal over Optical Fiber Cable
|
|
Input Signals
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DVI
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Connector
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DVI-D
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Signal Support
|
DVI 1.0 format standard and HDCP compliant
|
|
Video Support
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Up to 720P/960P/1080p@60Hz, 4K*2K@30Hz
|
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Audio Support
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Dolby TrueHD, Dolby Digital Plus, DTS, DTS-ES 6.1, DTSHD, DTS-HD-HRA, DTS-HD Master, (PCM-2CH)
|
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Chroma Subsampling
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Max 3840*2160@60Hz (4:2:0)
Max 3840*2160@30Hz (4:4:4, 4:2:2)
|
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EDID
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Bi-Directional (Forward + Backward) Transmission:
Support Dynamic EDID, Plug & Play, no need to learn
Single-Directional (Forward) Transmission:
Support EDID learning manually
|
|
RS232
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3 Pin terminal, Baud rate ≤ 38400
|
|
Fiber Connector
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SFP/LC
|
|
Bandwidth
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10.2Gbps
|
|
Transmission Distance
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300m (Over OM3 Fiber)
|
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Up to 80km (Over Single-mode Fiber)
|
|
Operating Temperature
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-10 ~ + 50°C
|
|
Storage Temperature
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-20 ~ + 80°C
|
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Humidity
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5% to 90% RH (non-condensing)
|
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MTBF
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100,000 hours
|
|
Dimension (WxDxH)
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2.87 x 1.73 x 0.69in (73x44x17mm)
|
|
Weight
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60g / 0.13 lb
|
|
Power Supply
|
5V DC (USB-C)
|
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Power dissipation
|
<5W
|
|
Safety Approvals
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CE, FCC, Rohs
|
Ordering Information
|
Model
|
Description
|
|
LNK-MDR4K-MM
|
Mini DVI Fiber Extender: 1-Ch DVI Signal(4K*2K) + Backwards RS232, OM3 Multi-mode Fiber, 300 meters, LC, including 1 transmitter & 1 receiver, 5V DC Power Input
|
|
LNK- MDR4K-S20
|
Mini DVI Fiber Extender: 1-Ch DVI Signal(4K*2K) + Backwards RS232, Single-mode Fiber, 20km, LC, including 1 transmitter & 1 receiver, 5V DC Power Input
|
|
LNK- MDR4K-S40
|
Mini DVI Fiber Extender: 1-Ch DVI Signal(4K*2K) + Backwards RS232, Single-mode Fiber, 40km, LC, including 1 transmitter & 1 receiver, 5V DC Power Input
|
|
LNK- MDR4K-S80
|
Mini DVI Fiber Extender: 1-Ch DVI Signal(4K*2K) + Backwards RS232, Single-mode Fiber, 80km, LC, including 1 transmitter & 1 receiver, 5V DC Power Input
|
Application
The Mini 4K DVI Fiber Optic Extender with RS232 is widely used in professional audio-visual (AV),
industrial automation, and control communication environments that require long-distance,
high-resolution signal transmission with complete reliability.
It is an ideal solution for large-scale video display systems, digital signage networks, and
broadcasting centers, where 4K DVI video signals and serial RS232 data need to be transmitted over
long distances without compression or quality loss.
In conference rooms, control rooms, and command centers, the extender ensures real-time signal
synchronization between computers, displays, and control devices, providing smooth communication
and precise control.
The device is also widely applied in medical imaging systems, security monitoring, educational
multimedia classrooms, and home theater installations, where high-definition DVI signal
transmission and RS232 device control are essential for performance and system integration.
Thanks to its fiber optic transmission technology, strong anti-interference capability, and
long-distance transmission up to 80km, it guarantees stable, secure, and high-bandwidth
communication, even in environments with strong electromagnetic interference.
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