Product Details
1Ch Bidirectional 3G-SDI with Loop-out + 1Ch Tally + 2Ch
Bidirectional RS485 or RS422 + 2Ch Stereo Audio + 1Ch Microphone over Fiber Converter
1Ch Bidirectional 3G-SDI with Loop-out + 1Ch Tally + 2Ch
Bidirectional RS485 or RS422 + 2Ch Stereo Audio + 1Ch Microphone over Fiber Converter Advantages
>► >1Ch Bidirectional 3G-SDI Video with Loop-out
>► >1Ch Tally Signal
>► >2Ch Bidirectional RS485 or RS422 Data
>► >2Ch Stereo Audio
>► >1Ch Microphone
>► >Automatic reclocking 270Mbit/s - 1.48Gbit/s - 3Gbit/s
>► >Support HDTV 720P, 1080I, 1080P, 1920*1080@60Hz
>► >Long transmission capability up to 20km (SMF)
>► >Hot swap and hot plug;
>► >Fully digital non-compression broadcast level transmission;
industry level ultra-broad temperature range (-20℃~+70℃), adaptable to various environments;
1Ch Bidirectional 3G-SDI with Loop-out + 1Ch Tally + 2Ch
Bidirectional RS485 or RS422 + 2Ch Stereo Audio + 1Ch Microphone over Fiber Converter Overview
LNK-3G-1BV1T2BD2A1M Series 3G/HD-SDI Fiber Converter supports 1-channel Bidirectional 3G/HD-SDI Video (audio embedded) with Loop-out, 1-channel Tally, 2-channel Bidirectional RS485 or RS422 data, 2-channel external Stereo Audio, and 1-channel Microphone signal
transmitted via fiber optical cable. E-link 3G/HD-SDI Video over Fiber Converters includes one transmitter and one
receiver for 1080P 3G/HD-SDI signal. This series of video to fiber converter has Stable
performance, clear picture quality, and high Stability with LED
Status Indication on the body of device. the working status of
devices can be visually observed. Possible applications for this
product, to name few are: Intelligent Traffic Monitoring System, Security system School networking Industrial monitoring
(Electricity, Chemistry, Steel, Oil, Railway, etc) Military
Monitoring (Warehouse, Border, Guards, etc) TV program transmission
system, Stadium (For LIVE HD video, audio transmission).
1Ch Bidirectional 3G-SDI with Loop-out + 1Ch Tally + 2Ch
Bidirectional RS485 or RS422 + 2Ch Stereo Audio + 1Ch Microphone over Fiber Converter Technical Indexes
Fiber Optical interface |
Fiber interface | Simplex LC |
Transmission distance | 0-20Km |
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) |
1Ch Bidirectional 3G-SDI with Loop-out + 1Ch Tally + 2Ch
Bidirectional RS485 or RS422 + 2Ch Stereo Audio + 1Ch Microphone over Fiber Converter Ordering information
Model | Description |
LNK-3G-1BV1T2BD2A1M | 1Ch Bidirectional 3G-SDI with Loop + 1Ch Tally + 2Ch Bidirectional RS485 or RS422 + 2Ch Stereo
Audio + 1Ch Microphone over Fiber Converter, Single Mode Fiber, LC,
20km, including Transmitter and Receiver, used by pairs |
Company Profile
Established in 2001 & headquartered in Shenzhen, E-link China
Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China.
Our main products include:

- Fiber Media Converters
- Industrial Ethernet PoE switchs
- PoE Injectors & Splitters
- PoE Extenders
- Serial Fiber Converters
- SFP Transceivers
- HDMI Fiber Converters
- DVI Fiber Converters
- HD/3G/6G/12G Fiber Extenders
- CCTV Fiber Optic Converters
- HDMI/ DVI/ VGA/ SDI Ethernet Extenders
(Industrial PoE Actual Display)
With rich experience in providing high quality products in the
telecom and CCTV business, E-link has a large manufacturing factory
in Shenzhen, able to provide cost-effective solutions
to serve our customers successfully.
(Automatic Mechanical Equipment)
Since the launch of our products in domestic and international
markets, we have won a good reputation for our high-quality
products and sincere services. Our products are widely applied to
- System of Telecom
- Public Security
- Bank
- Smart City
- Public transportation
- New Energy Developing
- CCTV Monitoring Transmission
We also provide ODM & OEM services and we have cooperated with some famous companies all
over the world. Our own brand "E-link" is also well known in many countries and have distributors there.
(Customer visit)
E-Link quality:
- ISO9001 Quality System
- CE, RoHS, FCC certified
- 48 hours of weathering test before delivery
- Conduct full-spectrum environmental and electrical testing on all
product designs

Our knowledgeable sales, technical support and engineering
personnel are dedicated to understanding your needs and designing
products and solutions to meet your needs. We would be happy to
provide you with the best price, quality products and fast
delivery.