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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BIDI 3G-SDI Fiber Extender With 2Ch Audio & BIDI RS485 & Tally and Microphone
1Ch Bidirectional 3G-SDI with Loop-out + 1Ch Tally + 2Ch Bidirectional RS485 or RS422 + 2Ch Stereo Audio + 1Ch Microphone over Fiber Converter
BIDI 3G-SDI Fiber Extender With 2Ch Stereo Audio Advantage
► 1Ch bidirectional 3G-SDI video with loop output
► 1Ch tally signal
► 2Ch bidirectional RS485 or RS422 data
► 2-channel stereo audio
► 1Ch microphone
► Long transmission capacity up to 20km (SMF)
► Full digital uncompressed broadcast level transmission
► Industrial grade ultra wide temperature range (-20 ℃~+70 ℃)
Bidirectional 3G SDI Video Fiber Converter Overview
The LNK-3G-1BV1T2BD2A1M series 3G/HD-SDI fiber optic converter supports 1-channel bidirectional 3G/HD-DI video (embedded audio) with loop output, 1-channel Tally, 2-channel bidirectional RS485 or RS422 data, 2-channel external stereo audio, and 1-channel microphone signal transmitted through fiber optic cable. E-link 3G/HD-SDI optical fiber video converter includes a transmitter and a receiver for 1080P 3G/HD-DI signals. This series of video to fiber converters has stable performance, clear image quality, and high stability, with LED status indicators on the device body.
3G-SDI Fiber Transmitter Receiver Technical Indexes
| Fiber interface | Simplex LC |
| Transmission distance | 0-20Km |
| Wavelength | 1310nm/1550nm |
| 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 or Tally | |
| Physical interface | Industrial standard screw terminal |
| Data type | RS485 (Default) or RS422 (Optional), Tally signal |
| Frequency/Rate support | Max. 115200bps for RS422 Max. 57600bps for RS485 |
| BER | <10ˉ9 |
| Audio input and output | 3.5MM Audio |
| Audio format | @48KHz |
| Power adaptor | DC 5~25V |
| Power consumption | <5W |
| Dimensions (LxWxH) | 120 x 105 x 28 mm |
| Weight | 1.5KG/pair |
| Casing | Aluminum Case |
| Mounting Options | Wall-mount |
3G/HD/SD-SDI Over Fiber Converter With Audio 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 |