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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12G-SDI to Fiber Converter with Loop-Out Gigabit Ethernet RS485
Overview
The LNK-12GSDI-1V2R1GE is a compact 12G-SDI fiber converter designed for 4K UHD
transmission over long distances. It supports uncompressed broadcast-grade video up to 12Gbps,
with embedded 8-channel audio and local 12G-SDI loop output. Alongside video, it integrates Gigabit
Ethernet and 2-channel RS485 backward data, ensuring versatile connectivity for broadcast, production,
and security environments. With support for up to 80km optical transmission and compatibility with
SMPTE and DVB-ASI standards, this converter delivers reliable performance for next-generation UHD
workflows.
Features
1x 12G-SDI input with loop-out for local monitoring
Supports 12G/6G/3G/HD/SD-SDI formats (ST-2082, ST-2081, ST-424, ST-292, ST-259)
Embedded 8-channel audio per SDI stream
Gigabit Ethernet (10/100/1000M) over fiber
2-channel RS485 backward transmission for control signals
Up to 80km fiber reach with WDM/CWDM/DWDM options
Resolutions up to 4K60 (3840×2160@60Hz)
Automatic cable equalization & reclocking for stable signals
Compact metal housing, 117×80×24mm, low power (6W)
Wide operating range: -10℃ to +70℃, MTBF >100,000h
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 | 2 x FC 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 | ≤60m@12G SDI Belden 1694A |
| Ethernet | 10/100/1000Mbps |
| Data type | 2Ch Backward RS485 |
| Optical transmission bandwidth | 270MHz～12GHz |
| Power | 12 VDC |
| Power Consumption | 6 W (Max.) |
| Dimensions (LxWxH) | 117 x 80 x 24 (mm) |
| Operating Temperature | -10℃～70℃ |
| Storage Temperature | -40℃～85℃ |
Panel
RS485 Connection:
| Pin | - | + |
| RS485 | D- | D+ |
Application