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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Compact 12G-SDI Fiber Converter with Loop-Out Tally RS485 Control
Overview
The LNK-M12G-1V1T1D is a miniature 12G-SDI fiber converter built for broadcast, live
production, and OB vans. Supporting 12G/6G/3G/HD/SD-SDI, it enables real-time 4K UHD video
with embedded 8-channel audio to be transmitted over fiber up to 20km or more. With Tally signal
and RS485 backward channel, it ensures smooth studio-to-camera communication. Its palm-sized
design, low power (2W), and hot-plug support make it an ideal solution where space and reliability
are critical.
Features
Ultra-compact (80×40×20mm), lightweight mini converter
Supports 12G/6G/3G/HD/SD-SDI with embedded 8-channel audio
4K60 UHD transmission with broadcast-grade uncompressed quality
1× 12G-SDI loop-out for local monitoring
1× LC fiber port with up to 20km reach (80km optional)
Backward Tally & RS485 for camera return signals and control
Reclocking & cable equalization for stable signal integrity
Wide temperature tolerance: -40℃ to +85℃
Low power consumption, just 2W
Hot swap & plug-and-play ready
Technical Indexes
| Formats | Supports ST-2082-1(12G), ST-2081-1(6G), ST-424(3G), ST-292(HD) And ST-259(SD) |
| Compatible | Compatible with DVB-ASI and AES10 (MADI) |
| Input | 1 x 12G-SDI on BNC |
| Output | 1 x LC optical fiber |
| 1 x 12G-SDI loop-out on BNC | |
| Supported Resolution | HDTV 4K*2K, 1080P, 1080I, 720P |
| Resolution range | 3840*2160@60Hz |
| Input cable specification | ≤70m@12G SDI Belden 1694A |
| Output cable specification | ≤70m@12G SDI Belden 1694A |
| Data type | Backward Tally |
| Data type | Backward RS485 |
| Optical transmission bandwidth | 270MHz～12GHz |
| Power | 5-15 VDC |
| Power Consumption | 2 W (Max.) |
| Dimensions (LxWxH) | 80 x 40 x 20 (mm) |
| Storage Temperature | -40℃～80℃ |
| Operating Temperature | -40℃～85℃ |
Ordering Information
| Model | Description |
| LNK-M12G-1V1T1D-20 | Mini-type 12G-SDI to Fiber Converter with Tally, Reverse RS485 and loop out, SMF, LC Fiber Connector 20KM, including Transmitter and Receiver, used by pairs |
Application
