E-link China Technology Co., Ltd.
E-link China Technology Co.,Ltd. Professional Fiber Optical Communication and CCTV Security Transmission Product Manufacturer
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4K HDMI KVM Fiber Extender UHD 2160p USB Keyboard Mouse 300m OM3
Overview
The LNK-KHX2240 4K HDMI KVM Fiber Optic Extender delivers real-time, uncompressed UHD video
and audio transmission over dual-core OM3 fiber up to 300m. Supporting HDMI 1.4 and HDCP 1.2, it
ensures flawless 4K image quality, EDID pass-through, and immersive audio formats like LPCM 7.1 and
Dolby TrueHD. With integrated USB for keyboard and mouse control, surface-mountable housing, and
robust EMI/RFI immunity, this extender is the ideal solution for AV, control, and professional KVM
applications requiring uncompromised performance and reliability.
Features
Extends 4K HDMI video signals up to 300m via OM3 multimode fiber
Supports resolutions up to 4096×2160/30p and 3840×2160/60p (YCbCr 4:2:0)
Real-time transmission with uncompressed 10.2Gbps signal integrity
HDMI 1.4 and HDCP 1.2 compliant with EDID pass-through support
Integrated USB ports for keyboard & mouse (KVM functionality)
Supports LPCM 7.1, Dolby TrueHD, DTS-HD Master Audio™
EMI/RFI-resistant design, stable under sensitive environments
Compact, surface-mountable aluminum housing for easy deployment
Plug-and-play setup, no software or drivers required
Technical Indexes
| Performance | |
| Compliance | HDMI v1.4 |
| Maximum Pixel Clock Frequency | 340 MHz |
| Maximum Video Bit Rate | 3.40 Gbps |
| Supported Color Depth | 24-bit |
| Supported Resolutions | 1920x1080/60p,3840x2160/30p, 4096x2160/30p, 3840x2160/60p(YCbCr 420),4096*2160/60P(YCbCr 420) |
| Digital Audio Support | 7.1 channel LPCM, 192 kHz, 24-bit audio capability |
| Connections | |
| DVI Input / DVI Output | 1x HDMI Type-A Female connector |
| Optical | 1x SFP+ port |
| Cable | |
| Fiber Cable Type / Max. Length | 50/125μ OM3-300 Multi-Mode Fiber: ≤ 1,000 ft. (≤ 300 meters) |
| Extended function | |
| KM Support | USB Keyboard x 1 / USB Mouse x1 |
| CEC Support | CEC are NOT supported! |
| DDC Support | |
| EDID Pass-through Support | only 300 meters |
| HDCP Pass-through Support | only 300 meters |
| Mechanical | |
| Construction | High-impact Alufer enclosure |
| Dimensions (L x W x H) | 89mm x 104 mm x 28.3 mm |
| Net Weight | LNK-KHX2240-S: 500 g LNK-KHX2240-R: 500 g |
| Environmental | |
| Operating Temperature | -32° to +122° F. (0° to +50° C) |
| Storage Temperature | -40° to +185° F. (-40° to +85° C) |
| Operating Humidity | 5% to 80% (non-condensing) |
| Storage Humidity | 5% to 95% (non-condensing) |
| Power Requirements | |
| External AC Power Adapter | Input: 100-240VAC / 50-60Hz 0.2A Output: 5VDC, 2.0A 5/2.5mm jack |
| Power Consumption | LNK-KHX2240-S: 2.5 watts LNK-KHX2240-R: 3 watts |
| Warranty | |
| Limited Warranty | 2 year warranty |
Ordering Information
| Item | Description |
| LNK-KHX2240-S | 4K HDMI KVM Fiber Optic Extender Sender Unit |
| LNK-KHX2240-R | 4K HDMI KVM Fiber Optic Extender Receiver Unit |
Panel
Sender
Receiver: