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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Bidirectional RS485 RS422 Stereo Audio Converter 3G SDI With Loop Out
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 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;
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) | |
| 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 |
| Stereo Audio or Microphone | |
| Audio input and output | 3.5MM Audio |
| Audio format | @48KHz |
| Electrical | |
| Power adaptor | DC 5~25V |
| Power consumption | <5W |
| LED Indicator | |
| P/S | Power Supply |
| DAT | Data |
| Mechanical | |
| Dimensions (LxWxH) | 120 x 105 x 28 mm |
| Weight | 1.5KG/pair |
| Casing | Aluminum Case |
| Mounting Options | Wall-mount |
| Environmental | |
| Working Temperature | -20℃～+70℃ |
| Storage Temperature | -40℃～+80℃ |
| Working Humidity | 0~95% |
| MTBF | ≥100000 hours |
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 programme transmission system. Stadium (For LIVE HD video, audio transmission).
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 |