Description
Overview
GAOTek Fiber Optical Media Converters supports 4 CH hd sdi, 1c CH forwarding RS485 and 1 CH half duplex or full duplex 10 or 100 M ethernet transmission over 1 single mode fiber to 6.21 mi to 49.70 mi (10 km to 80 Km).It is a perfect and economic digital product for long distance with high resolution real-time video monitoring. It’s used for broadcast on television, high-definition video conferencing, high-definition video surveillance and other fields.
Features
- Channel unidirectional hd-sdi video transmission over optic fiber
- Compatible with SMPTE-292M HD-SDI and SMPTE-259M, SD-SDI standard signals, supporting 1485 Mb/s , 270 Mb/s rates
- Support 1080I 60 Hz or 50 Hz, 720 P 60 Hz or 50 Hz or 30 Hz or 25 Hz and many other video formats.
- Support unidirectional/bidirectional RS-485 or RS232 or RS422 data protocols,up to 115.2Kb/s rates.
- Support Full duplex and half duplex 10 or 100 M ethernet
- Automatic cable equalization to ensure signal integrity
- Long transmission capability at least 6.21 mi to 49.70 mi (10 km to 80 Km)
- ESD and surge protection circuit,which can effectively prevent static electricity and lightning damage
- Provide light disappear alarm, remote power-down alarm, output signal status indication and input signal lock status indication
- Ultra-broad temperature range 32 °F to 131 °F (0 °C to +55 °C), adaptable to various environments
Technical Specification
| Physical Interface | BNC |
| Number of Channels | 4 Channel |
| Input/Output Impedance | 75 Ω (unbalance) |
| Video Format | 1080I 60 Hz or 50 Hz,720 P 60 Hz or 50 Hz or 30 Hz or 25 Hz |
| Video Direction | Unidirectional |
| Standard Video Input/Output Voltage | 0.8 V p-p |
| Video Voltage Range | 0.6 V p-p to 1.0 V p-p |
| Video Encoding bit width | 8 bit or 10 bits Auto |
| Return Loss | ≤ -15 dB @ 5 MHz to 1.5 GHz |
| Balanced Mode | ≤ 0.08 mi (140 m) of Belden 1694 A at 1.485 Gbps≤ 0.24 mi (400 m) of Belden 1694 A at 270 Gbps |
| Embedded Audio, Auxiliary Space, EDH Data | Transparent |
| Fiber Interface | FC (default), SC selectable |
| Fiber Type | Single mode (9/125 μ single-mode optical fiber, default), Multimode Selectable |
| Wavelength | 1310 nm,1550 nm |
| Distance | 6.21 mi to 49.70 mi (10 km to 80 km), 12.24 mi (20 km) default |
| Number of Fibers | 1 |
| Data Protocol | RS485, |
| Data Rate | 0 Kbps to 115.2 Kbps |
| Error Rate | < 10 to 9 |