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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Overview
The LNK-MHD Series is a compact and reliable HD-SDI fiber extender designed for professional video
transmission. This solution features a transmitter-receiver set that supports:
- 1-channel HD-SDI video with embedded audio
- Long-distance transmission via single fiber optic cable
With its space-saving design, the extender can be easily integrated into existing systems or equipment
racks. Ideal for demanding applications in:
• Broadcast and live production environments
• Professional surveillance systems
• Studio and outside broadcast setups
This plug-and-play solution delivers stable HD-SDI signal transmission while maintaining superior video
quality over extended distances. The compact form factor makes it particularly suitable for mobile
production units and space-constrained installations.
Key advantages include:
- Low-latency performance
- Easy installation and operation
- Robust construction for professional use
- Compatibility with standard HD-SDI equipment
A cost-effective solution for extending HD-SDI signals over fiber infrastructure in various professional
video applications.
Features
Automatic cable equalization to ensure signal integrity
Automatic reclocking 270Mbit/s - 1.48Gbit/s
Each channel includes 8-channel audio embedded
Full digital non-compression broadcast level transmission
industry level ultra-broad temperature range (-20℃~+70℃), adaptable to various environments
Application
Technical Indexes
| Fiber Optical interface | |
| Fiber interface | Simplex LC |
| Transmission distance | 550m-20Km |
| Wavelength | 1310nm/1550nm |
| Video | |
| Video interface | BNC |
| Video input/output impedance | 75Ω |
| Video input/output voltage | Typical:1Vpp, Min 0.5Vpp, Max 1.5Vpp |
| Video Bits Rate | Max 1.48Gb/s |
| Differential gain (10%～90% APL) | <1% |
| SDI format support | 625/25 PAL |
| 525/29.97 NTSC, 525/23.98 NTSC | |
| 720p50, 720p59.94 | |
| 1080i 23/24/30/50/59.94 | |
| Video SDI standard | 270Mbps (SD-SDI) |
| 1.485Gbps (HD-SDI) | |
| Electrical | |
| Power adaptor | 5V DC, Type-C Interface |
| Power consumption | <3W |
| LED Indicator | |
| SDI | SDI video |
| P/T | Power Supply |
| Mechanical | |
| Dimensions (LxWxH) | 79 x 27 x 18 mm |
| Weight | 0.5KG/pair |
| Casing | Aluminum Case |
| Mounting Options | Desktop |
| Environmental | |
| Working Temperature | -20℃～+70℃ |
| Storage Temperature | -40℃～+80℃ |
| Operating humidity | 5%~90% non-condensing |
| Storage humidity | 5% ~ 90% non-condensing |
| MTBF | ≥100000 hours |
Ordering Information
| Model | Description |
| LNK-MHD-MM | Mini HD-SDI to Fiber Converter, MMF, LC Fiber Connector 500 meters, including Transmitter and Receiver, used by pairs |
| LNK-MHD-20 | Mini HD-SDI to Fiber Converter, SMF, LC Fiber Connector 20KM, including Transmitter and Receiver, used by pairs |