20km Fiber Optic Extender HDMI KVM over USB RS232 Bidirectional Audio GPIO Plug Play
Overview
The LNK-KVM-HDMI-1D1BA1GO Fiber Optic Extender is a high-performance signal
transmission solution designed to extend HDMI video, KVM, RS232 serial data,
bidirectional stereo audio, and GPIO control signals over a single fiber optic cable.
Capable of supporting 1080P Full HD resolution, this extender ensures reliable
long-distance transmission with excellent stability and security. Ideal for industrial
control rooms, broadcast studios, digital signage, and security surveillance systems,
it offers a versatile and secure connectivity option for applications requiring
high-quality audio-visual and data transfer over extended ranges. With its
multi-channel integration and robust fiber optic technology, this device provides a
comprehensive extension solution for professional AV and control environments.
Features
Long-Distance Fiber Optic Transmission: Extends HDMI audio/video and control signals
over a single fiber optic cable for up to 20km, ensuring zero loss in quality and ideal for
remote monitoring and distributed systems.
Full HD 1080P@60Hz Video: Delivers crisp, high-definition video with support for
resolutions up to 1920x1080 at 60Hz, guaranteeing smooth and detailed image playback.
Integrated KVM over USB Extension: Allows seamless transmission of keyboard and
mouse signals via USB, enabling complete remote computer control and management
from any location.
Bi-Directional Stereo Audio Channel: Supports simultaneous two-way stereo audio
transmission and reception, making it perfect for interactive applications like conferencing
and broadcast.
Serial & GPIO Interface Support: Features one-way RS232 serial communication
with baud rates up to 460,800bps, plus GPIO ports for connecting and controlling
external devices and sensors.
HDMI Loop-Out & Flexible EDID Management: Includes a local HDMI loop-out port
for real-time monitoring and offers manual EDID management via DIP switch for
customized display configuration.
Broad Compatibility & Auto-Adjustment: Compliant with HDMI 1.0 and HDCP 1.2
standards, it ensures high interoperability and automatically optimizes video signals for
stable, clear output.
Enhanced Protection & Plug-and-Play Setup: Equipped with built-in ESD protection
and an auto-image adjustment system for reliable performance. Easy to install and use
without additional drivers.
Technical Indexes
| Parameter |
Description |
| Video |
Standards |
HDMI V1.3 |
| Maximum pixel clock |
165MHz |
| Maximum data rate |
2.97Gbps |
| Resolution |
1920*1080@60Hz 1920*1080@50Hz
1920*1080@30Hz 1920*1080@25Hz
1920*1080@24Hz
1080I@60Hz 1080I@50Hz
1280*720@60Hz 1280*720@50Hz
|
| Connector |
HDMI |
| Impedance |
100Ω |
| Audio |
Interface |
3.5mm earphone seat |
| Signal type |
Stereo |
| K/M |
Interface |
To PC: MINI-USB
To keyboard and mouse: USB-A
|
| GPIO |
Interface |
Industrial terminal |
| RS232 |
Interface |
Industrial terminal |
| Signal direction |
Unidirectional |
| Baud rate |
Self-adaptive, Max: 460,800bps |
| Data bits |
8 |
| Optical fiber |
Interface |
LC connector |
| Fiber type |
Single-mode single fiber |
| Wavelength |
Single-mode 1310nm |
| Interface bandwidth |
3Gbps |
| Transmission distance |
standard 20km |
| Other |
Power supply |
The power adapter: DC 12V/1A |
| Power dissipation |
MAX 6W |
| Temperature |
Operating: -5℃ ~ +70℃ |
| Humidity |
Operating: 5% ~ 90% |
| Dimension (LxWxH) |
148*115*28mm |
| The warranty |
1-year warranty |
Ordering Information
| Model |
Description |
| LNK-KVM-HDMI-1D1BA1GO |
1Ch 1080P HDMI + 1Ch USB KVM + 1Ch RS232 + 1Ch Bidi Stereo Audio + 1Ch GPIO over Fiber Extender, HDMI Loop Out, SMF, 20KM |
| LNK-HDMI-1D1BA |
1Ch 1080P HDMI + 1Ch RS232 + 1Ch Bidi Stereo Audio over Fiber Extender, HDMI Loop Out, SMF, 20KM |
Application
This multi-functional fiber optic extender is ideally suited for professional
environments requiring robust, long-distance, and high-fidelity signal transmission.
Its integrated support for video, KVM, serial data, audio, and control signals makes
it a perfect solution for:
Industrial Control & Automation Systems: Enables centralized monitoring and control
in factories and PLC-based environments by extending operator workstation interfaces to
remote machines over long distances, immune to EMI.
Broadcast & Pro AV Studios: Facilitates reliable transmission of HD video, bidirectional
audio for intercom, and RS232 for device control between production control rooms and
remote stages or OB vans.
Security & Surveillance Centers: Allows for the extension of HDMI video from security
cameras located at perimeter fences or remote buildings back to a central monitoring
station, including GPIO for alarm sensor inputs.
Digital Signage & Information Display Networks: Manages and distributes content to
displays in airports, shopping malls, or corporate campuses over fiber, with RS232 for
screen control and GPIO for power management.
Command & Control Rooms: Critical for mission-critical environments like traffic
management centers or utilities, providing stable extension of computer video, KVM for
operator control, and interfaces for status indicators.
Medical Imaging & Healthcare Systems: Ensures pristine transmission of diagnostic
images and data from MRI or CT scanners in isolated rooms to viewing stations,
maintaining signal integrity.
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