E-link China Technology Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram, paypal,Credit Card |
| Supply Ability | 1000pcs/month |
| Delivery Time | 5-12working days |
| Packaging Details | SDI Over Fiber Optic Extender Standard Export Package |
| Fiber interface | Simplex LC |
| Transmission distance | 550m-20Km |
| Wavelength | 1310nm/1550nm |
| Operating Temperature | -20℃～+70℃ |
| Dimensions (WxDxH) | 168*115*28mm |
| Weight | 7KG/pair |
| Brand Name | E-link |
| Model Number | LNK-3GSDI-4BV |
| Certification | CE, RoHS, FCC, ISO9001 |
| Place of Origin | Guangdong, China |
View Detail Information
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram, paypal,Credit Card | Supply Ability | 1000pcs/month |
| Delivery Time | 5-12working days | Packaging Details | SDI Over Fiber Optic Extender Standard Export Package |
| Fiber interface | Simplex LC | Transmission distance | 550m-20Km |
| Wavelength | 1310nm/1550nm | Operating Temperature | -20℃～+70℃ |
| Dimensions (WxDxH) | 168*115*28mm | Weight | 7KG/pair |
| Brand Name | E-link | Model Number | LNK-3GSDI-4BV |
| Certification | CE, RoHS, FCC, ISO9001 | Place of Origin | Guangdong, China |
| High Light | 4 Channel 3G-SDI Fiber Converter ，Bidirectional 3G-SDI Fiber Converter | ||
4-Ch Bi-Directional 3G-SDI Fiber Converter Broadcast-Grade up to 120Km
Overview
The LNK-3GSDI-4BV Series provides reliable 4-channel bidirectional 3G-SDI video transmission over
a single optical fiber, supporting broadcast-level uncompressed signals. With built-in auto equalization,
re-clocking, and reverse RS-485 data channel, it ensures pristine video quality up to 1080p60 over
distances from 10Km to 120Km. Designed for professional broadcasting, live production, and industrial
environments, its rugged rack-mount chassis and wide temperature tolerance deliver long-term stability
in demanding conditions.
Features
4-Ch Dual-Direction Video: Simultaneous bidirectional 3G-SDI signal transmission.
Auto Signal Recovery: Built-in cable equalization and re-clocking for stability.
Long-Range Fiber: Supports simplex LC fiber links up to 120Km.
Reverse Data Channel: Integrated RS-485 return path for camera control.
Uncompressed Quality: Full digital, broadcast-grade 3G-SDI with ultra-low BER.
Wide Format Support: PAL/NTSC, 720p, 1080i, and 1080p up to 60fps.
Industrial Build: 19” rack-mount aluminum housing with hot-swap design.
Extreme Durability: Operates from -40°C to +85°C with high MTBF (>100,000h).
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 | Reverse RS485 |
| Frequency/Rate support | Max. 57600bps for RS485 |
| BER | <10ˉ9 |
| Electrical | |
| Power adaptor | AC 110~220V |
| Power consumption | <15W |
| LED Indicator | |
| SDI A/B/C/D/E/F/G/H | SDI video |
| PWR | Power Supply |
| Mechanical | |
| Dimensions (LxWxH) | 19inch 1U (483 x 220 x 44.45mm ) |
| Weight | 7KG/pair |
| Casing | Aluminum Case |
| Mounting Options | Rack mount |
| Environmental | |
| Working Temperature | -20℃～+70℃ |
| Storage Temperature | -40℃～+80℃ |
| Working Humidity | 0~95% |
| MTBF | ≥100000 hours |
Ordering Information
| Model | Description |
| LNK-3GSDI-4BV | 4-Ch Bidirectional 3G-SDI Video with loop-out, 20km, SM, FC, including 1 transmitter & 1 receiver, used by pairs |
| LNK-3GSDI-4BV1R | 4-Ch Bidirectional SDI Video with loop-out + 1-Ch RS485 Reverse Data, 20km, SM, FC, including 1 transmitter & 1 receiver, used by pairs |
Application
Company Details
Business Type:
Manufacturer
Year Established:
2001
Total Annual:
10000000-20000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Established in 2001& headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading Fiber Optic Communication and CCTV Security Transmission product manufacturer in China. Our main products include active equipments including fiber media converters, CCTV fiber converters... Established in 2001& headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading Fiber Optic Communication and CCTV Security Transmission product manufacturer in China. Our main products include active equipments including fiber media converters, CCTV fiber converters...
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