Mini-type 3G-SDI to Fiber Converter with Tally & Reverse RS485
Overview
LNK-M3G-1V Series is a compact and high-performance 3G/HD-SDI fiber optic converter, designed
for professional broadcast and video transmission applications. It supports:
- 1 channel 3G/HD-SDI video (with embedded audio)
- Tally signal (for camera control and intercom)
- Reverse RS485 data (for bidirectional communication)
All signals are transmitted over a single fiber optic cable, ensuring long-distance, low-latency, and
interference-free signal delivery. A local 3G/HD-SDI loop output allows real-time monitoring for system
verification.
The E-link 3G/HD-SDI Video over Fiber Converters set includes one transmitter and one receiver,
fully compatible with 1080p and other standard 3G/HD-SDI video formats.
Ideal for live production, broadcast, and AV systems, this converter provides a reliable and cost-effective
solution for high-quality video over fiber.
Features
Automatic reclocking 270Mbit/s - 1.48Gbit/s - 3Gbit/s
Hot swap and hot plug
Each channel includes 8-channel audio embedded
LED Status Indication to monitor the working conditions
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 3.2Gb/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 |
| 1080P 23.98/24/30/50/60 |
| Video SDI standard | 270Mbps (SD-SDI), 1.485Gbps/M(HD-SDI) |
| SMPTE425M3Gb/s Mapping(3G-SDI) |
| SMPTE424M 3Gb/s serial interface(3G-SDI) |
| Data |
| Physical interface | Industrial standard screw terminal |
| Data type | Tally & Reverse RS485 |
| Frequency/Rate support | Max. 115200bps for RS422 Max. 57600bps for RS485 |
| BER | <10ˉ9 |
| Electrical |
| Power adaptor | DC 5V |
| Power consumption | <5W |
| LED Indicator |
| SDI | SDI video |
| P/T | Power Supply |
| Mechanical |
| Dimensions (LxWxH) | 73 x 44 x 17 mm (TX) 73 x 44 x 17 mm (RX) 185 x 132 x 100 mm (Package) |
| Weight | 75g (TX) 75g (RX) 450g (Package) |
| Casing | Aluminum Case |
| Mounting Options | Desktop |
| Environmental |
| Working Temperature | -20℃～+70℃ |
| Storage Temperature | -40℃～+80℃ |
| Working Humidity | 0~95% |
| MTBF | ≥100000 hours |
Ordering Information
| Model | Description |
| LNK-M3G-1V-MM | Mini-type 3G-SDI to Fiber Converter with Tally & Reverse RS485 and loop out, MMF, LC Fiber Connector 500 meters, including Transmitter and Receiver, used by pairs |
| LNK-M3G-1V-20 | Mini-type 3G-SDI to Fiber Converter with Tally & Reverse RS485 and loop out, SMF, LC Fiber Connector 20KM, including Transmitter and Receiver, used by pairs |
| LNK-M3G-1V-40 | Mini-type 3G-SDI to Fiber Converter with Tally & Reverse RS485 and loop out, SMF, LC Fiber Connector 40KM, including Transmitter and Receiver, used by pairs |
Interface&LED
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Mini-type 3G-SDI to Fiber Converter with Tally & Reverse RS485 over a 3G/HD-SDI loop output Images
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