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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Model : LNK-3GSDI-4V1DT Series
Overview
LNK-3GSDI-4V1DT Series supports 4-channel HD/3G-SDI standard high-definition video signal and RS485
and Tally signal transmitted via single fiber optical cable. E-link 3G-SDI Video over Fiber Converters includes
one transmitter and one receiver for 1080P 3G-SDI signal. E-link 3G-SDI Fiber Converters can transmit 4-Ch
3G-SDI Video signal through a single optical fiber, and it support Loop output, 4Ch Tally and backwards RS485.
The video quality is non-compressed broadcast level. It’s widely used in broadcast field.
Features
► 4 channel 3G/HD-SDI video transmission over optic fiber
► Automatic cable equalization to ensure signal integrity
► Automatic reclocking 270Mbit/s - 1.48Gbit/s-3Gbit/s
► Directly compatible with 3G/HD-SDI camera systems and support 4Ch Loop output
► Long transmission up to 20 km (12.5miles) (Other distance Optional)
► Supports 4Ch Tally
► Full digital non-compression broadcast level transmission;
► Support 1Ch backward RS485 and 4Ch Tally;
► Working temperature range (-10℃~+55℃)
Technical Indexes
| SDI Input | SMPTE 424M, SMPTE 292M, SMPTE 259M, DVB-ASI, DVB-SSI and Telecom/Datacom |
| 270Mbit/s - 1.48Gbit/s – 3Gbit/s | |
| Input number: 4 | |
| Reflection loss: >15DB | |
| Equilibrium: 0-150m @3Gb/s | |
| Connector: BNC | |
| SDI Output | Output number:4 |
| Signal level: 800mV nominal | |
| Rise/fall time: 200ps indication | |
| Overshoot: < 10% amplitude | |
| Reflection loss: >15dB | |
| Dithering: < 0.2UI | |
| Connector: 75Ω BNC | |
| Data | 1Ch RS-485 (full/half duplex) and support NRZ, RZI and Manchester |
| Max. 57600bps for RS485 | |
| Connector: Industrial standard screw terminal | |
| 4Ch Tally: A, B , C, D | |
| SDI video format supports | 625/25PAL; 525/29.97NTSC; 525/23.98NTSC; 720p50; 720p59.94; 1080P23.98/24/30/50/60; 1080i 23/24/30/50/59.94; |
Application
Order Information
| LNK-HDSDI-4V1D4T | 4-Ch HD-SDI Video with Loop output + 1Ch backward RS485 + 4Ch Tally, SM 20km, FC, including 1 transmitter & 1 receiver, used by pairs |
| LNK-3GSDI-4V1D4T | 4-Ch 3G-SDI Video with Loop output + backward RS485 + 4Ch Tally, SM 20km, FC, including 1 transmitter & 1 receiver, used by pairs |