1080P HDMI KVM Fiber Optic Extender with RS232 Audio GPIO 20km SMF Link,
Overview
This HDMI KVM Fiber Optic Extender enables high-quality 1080P video, USB
keyboard/mouse, RS232, GPIO, and bidirectional stereo audio transmission over a
single-mode fiber cable up to 20km. Featuring HDMI loop-out, plug-and-play installation,
and robust ESD protection, it ensures stable, clear, and secure long-distance signal
extension for control rooms, broadcasting, and industrial applications.
Features
Transmits 1080P HDMI video up to 20km over single-mode fiber
Supports USB keyboard/mouse (KVM) control for remote operation
Bidirectional stereo audio and unidirectional RS232 signal transmission
HDMI loop-out for local monitoring
Built-in ESD protection and automatic adjustment for stable, clear images
Plug-and-play design for quick and easy installation
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
