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| Categories | SDI To Fiber Optic Converter | 
|---|---|
| Brand Name: | E-link | 
| Model Number: | LNK-3G2V2BA2D1E1T1S | 
| Certification: | CE, RoHS, FCC, ISO9001 | 
| Place of Origin: | Guangdong, China | 
| MOQ: | 1 pair | 
| Price: | $859-$999 | 
| 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: | 20Km | 
| Wavelength: | 1310nm/1490nm//1550nm | 
| Operating Temperature: | -20℃~+70℃ | 
| Dimensions (WxDxH): | 85 x 70 x 30mm | 
| Weight: | 1.1KG/pair | 
| Company Info. | 
| E-link China Technology Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
3G-SDI Fiber Extender with Audio RS422 Ethernet Tally Sync
Overview
The LNK-3G2V2BA2D1E1T1S Fiber Extender integrates 3G-SDI video, analog audio, RS422, 100M
Ethernet, tally, and analog tri-level sync into a single fiber channel. Designed for live broadcasting, HD
surveillance, and professional AV setups, it delivers real-time transmission up to 20km with exceptional
stability and noise immunity. Its CWDM design, compact aluminum housing, and full set of interfaces
ensure a future-proof and reliable workflow.
Features
Combines 3G-SDI, audio, RS422, Ethernet, tally & sync over one fiber
Supports SMPTE 424M/292M/259M standards, up to 3.2Gbps
CWDM-enabled optical design with simplex LC interface
Transmission distance up to 20km (extendable to 40/60/80km)
Automatic cable equalization and LED indicators for diagnostics
Rugged aluminum casing with wall-mount or desktop installation
Wide temperature range -20°C to +70°C for industrial reliability
Technical Indexes
| Fiber Optical interface | |
| Fiber interface | Simplex LC | 
| Transmission distance | 20Km | 
| Wavelength | 1310nm/1490nm//1550nm | 
| 3G-SDI 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% | 
| Video SDI standard | 270Mbps (SD-SDI), 1.485Gbps/M(HD-SDI) | 
| SMPTE425M3Gb/s Mapping(3G-SDI) | |
| SMPTE424M 3Gb/s serial interface(3G-SDI) | |
| Video Input | 1Ch SDI IN + 1Ch SDI OUT on TX | 
| Video Output | 1Ch SDI IN + 1Ch SDI OUT on RX | 
| Audio | |
| Audio interface | 3.5mm Jack | 
| Audio format | @48KHz | 
| Audio input | 1Ch Audio IN or 1Ch Mic + 1Ch Audio OUT on TX | 
| Audio output | 1Ch Audio IN or 1Ch Mic + 1Ch Audio OUT on RX | 
| RS422/485 Serial Data | |
| Physical interface | Industrial standard screw terminal | 
| Data type | RS422/RS485 Bi-Direction | 
| Frequency/Rate support | Max. 115200bps for RS422 Max. 115200bps for RS485 | 
| BER | <10ˉ9 | 
| Tally | |
| Tally interface | Industrial standard screw terminal | 
| LED load type | Can drive the LED indicator directly | 
| Tally input | Tally-2+; Tally-2 - | 
| Tally output | Tally-1+; Tally-1 - | 
| Ethernet | |
| Standards | IEEE 802.3 10Base-T IEEE 802.3u 100BASE-TX IEEE 802.3x full-duplex flow control | 
| Interface | 1 x 10/100BASE-TX RJ45 | 
| Working mode | Auto-negotiation by default | 
| Analog Tri-level Sync | |
| Sync Interface | 75Ω BNC | 
| Sync | Analog black burst / SDTV bi-level / HDTV tri-level | 
| Signal | Analog tri-level sync SMPTE ST 274, ST 276 | 
| Return Loss | 46.5 dB to 10 MHz | 
| Input | 1Ch Sync IN + 1Ch Sync OUT on TX | 
| Output | 1Ch Sync IN + 1Ch Sync OUT on RX | 
| Electrical | |
| Power Input | DC12V 1A | 
| Power consumption | <6W | 
| LED Indicator | |
| PWR | Power Supply | 
| SDI 1~8 | 3G-SDI Signal | 
| ACT | RJ45 Ethernet Signal | 
| LINK | Link Status | 
| Mechanical | |
| Dimensions (LxWxH) | 85 x 70 x 30mm | 
| Weight | 1.1KG/pair | 
| Casing | Aluminum Case | 
| Mounting Options | Wall-mount or Desktop | 
| Environmental | |
| Working Temperature | -20℃~+70℃ | 
| Storage Temperature | -40℃~+80℃ | 
| Working Humidity | 0~95% | 
| MTBF | ≥100000 hours | 
Ordering Information
| Model | Description | 
| LNK-3G2V2BA2D1E1T1S | 1Ch BIDI 3G-SDI Video + 2Ch Backward Analog Audio + 1Ch BIDI RS422 + 1Ch 100M Ethernet + 1Ch Backward Tally + 1Ch Backward Analog Tri-level Sync over Fiber Converter, SMF, LC, 20KM, including 1 transmitter & 1 receiver, used by pairs | 
Application

|   | 
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