DVI Fiber Optic Extender with RS232 and Bidirectional Audio for
Long-Distance HD Transmission
Overview
The LNK-DVI-1D1BA Fiber Optic Extender is designed to transmit high-definition DVI video, RS232
control signals, and bidirectional stereo audio over a single fiber optic cable. Supporting video
resolutions up to 1080P, this fiber DVI extender ensures lossless signal quality, high reliability, and
secure long-distance data transmission.
Engineered for industrial control systems, broadcast studios, medical imaging, and surveillance
applications, it delivers stable video performance, low latency, and superior noise immunity. With
its plug-and-play design and robust optical transmission technology, the device provides an ideal
solution for projects requiring high-quality video extension and long-distance communication over
fiber networks.
Features
Long-Distance DVI Transmission: Extends DVI digital video, RS232 serial control, and stereo
audio signals up to 20km through a single-mode or multi-mode fiber optic cable, ensuring consistent
and secure optical data transmission.
Full HD Resolution Support: Delivers crystal-clear image quality up to 1920×1200@60Hz and provides
enhanced compatibility for 1600×1200@60Hz display systems.
Bidirectional Audio Channel: Enables two-way stereo audio communication, allowing real-time
sound transmission between devices without distortion or latency.
Standards Compliance: Fully complies with DVI 1.0 and HDCP 1.2 protocols, making it compatible with
a wide range of monitors, projectors, and KVM systems.
Auto Signal Optimization: Features an intelligent signal correction and adjustment system that
ensures smooth, flicker-free, and high-fidelity video output over
long distances.
High Compatibility & Stability: Supports auto-detection of video sources and displays, making it ideal
for mixed-system environments and industrial-grade communication
setups.
Enhanced Protection: Built-in ESD and surge protection circuits safeguard the system from electrical
interference, ensuring long-term reliability and stable fiber
transmission.
Easy Plug-and-Play Installation: No driver or configuration required — just connect and operate, ideal
for professional AV integration, control centers, and fiber-based signal extension projects.
Technical Indexes
| Parameter | Description |
Video
| Standards | DVI 1.0 and HDCP 1.2 |
| Maximum pixel clock | 165MHz |
| Maximum data rate | 2.97Gbps |
| Compliant | 1080P@50/59.95/60Hz( Max 1920*1200@60Hz) 1080P@23.98/24/29.97/30Hz,
1080i@50/59.94/60/Hz, 720P@23.98/24/29.97/30Hz, 720P@50/59.94/60Hz Special support 1600*1200 @60HZ |
| Connector | Female DVI-D |
| Impedance | 100Ω |
| DVI Cable Range | <5Meter (Resolution up to 1920*1200@60Hz) |
| Audio | Interface | 3.5MM external stereo audio |
| Transmitter | 1Ch Input + 1Ch Output |
| Receiver | 1Ch Input + 1Ch Output |
| RS232 | Interface | 3-Pin Terminal Block |
| Baud Rate | ≤115200 |
| Data Bits | 8 bits |
| Optical fiber | Interface | SFP model – LC connector |
| Fiber type | Single-mode |
| Wavelength | 850nm/1310nm/1550nm |
| Interface bandwidth | 3Gbps |
| Transmission distance | Multi-mode fiber: <500M Single-mode fiber: 0~80km |
| Other | Power supply | The power adapter: DC 5V |
| Power dissipation | MAX 4W |
| Temperature | Operating: -20℃ ~ +70℃ |
| Humidity | Operating: 5% ~ 90% |
| Dimension (LxWxH) | 120 x 83 x 28 (mm) |
Application
The DVI + Audio + RS232 Fiber Optic Extender is widely used in professional video and data
transmission systems that require reliable long-distance connectivity with zero signal
degradation. It is
ideal for applications where high-resolution video, stereo audio, and RS232 control signals must be
transmitted simultaneously through a single fiber optic link.
This extender is perfectly suited for:
Broadcasting and media production centers — ensuring stable DVI and audio transmission for video
editing, monitoring, and live streaming setups.
Control rooms and command centers — delivering real-time, high-definition visuals and serial data
for
SCADA systems, industrial automation, and network control
applications.
Medical imaging and healthcare facilities — supporting HD video display and bidirectional audio
communication in operating rooms and diagnostic environments where signal integrity and EMI
immunity are crucial.
Transportation and traffic monitoring systems — enabling long-distance DVI and control signal
transmission for railway, airport, and highway surveillance systems.
Conference rooms and educational institutions — extending AV and control interfaces across
buildings or campuses for presentation and training systems.
Security and video wall display systems — maintaining stable high-resolution signals between
cameras, processors, and display units over optical fiber infrastructure.
With its robust aluminum housing, wide temperature tolerance, and industrial-grade design, this
DVI fiber extender ensures reliable operation in harsh environments, making it a preferred solution
for industrial communication networks, remote AV integration, and fiber-based signal distribution
systems.
