3G/HD-SDI (asi) optical transmission system
3G/HD-SDI (asi) optical transmission system
Model:BH3001SJ-3G1FD
Part 1 Product Overview
SDI optical transceiver can realize long-distance transmission of 1 3G-SDI/HD-SDI signal (each SDI signal includes 2 built-in audio signals) on an optical fiber, and can also support 1 bidirectional RS485 control data Transmission can be widely used in TV live broadcast, high-definition video conference, high-definition video surveillance and other fields.
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Part 2 Main features
- Compatible with ASI、SMPTE-292M HD-SDI standard signal, support 1485Mb/s and 2.97Gbps/s rate
- One bidirectional RS485 interface, using Phoenix terminal interface, supports up to 115.2Kb/s baud rate
- Support 1080P@60, 50, 30, 25, 24,, 1080I@60, 50,, 720P@60, 50, 30, 25, and many other video formats.
- The input has a cable equalization function, which can compensate for the loss of cable transmission
- Built-in ESD and surge protection circuit, can effectively prevent static electricity and lightning damage
- Provide light disappearing alarm, remote power-down alarm, output signal status indication and input signal lock status indication
■ Optical fiber interface
Physical interface: FC/SC/lc (optional)
Fiber type: single mode/multimode, single fiber/dual fiber (optional)
Working wavelength: 1310nm, 1550nm
Transmission distance: 0~100Km (optional)
■ HD/SD-SDI serial digital video interface
Physical interface: BNC
Interface standard: HD-SDI (1.485Gbps, SMPTE292M), 3G-SDI (2.97Gbps, SMPTE424M)
Serial digital video input/output impedance: 75Ω unbalanced interface
Serial digital video input/output voltage: typical peak-to-peak 800mVp-p, 600~1000mVp-p
Support video format: single link 3G-SDI, HD-SDI SDI ASI
Support serial rate: 1.485Gbps~2.97Gbps
Video encoding bit width: 8bit or 10bit automatic
Return loss: ≤-15dB@5MHz~1.5GHz, -10dB@1.5GHz~3GHz
Retiming: automatic timing, automatic identification of various rates
Coupling mode: AC coupling
Equalization method: ≤140meters of Belden 1694A at 1.485Gbps
≤400meters of Belden 1694A at270Gbps
Maximum calibration jitter (100KHz~2.97Gbps): ≤0.2UI
Maximum timing jitter (100KHz~2.97Gbps): ≤0.2UI
Embedded audio, auxiliary space, EDH data: transparent support
■ EDH data
Signal to noise ratio (weighted): ≥70dB
■ Data interface
Physical interface: industry standard terminal block
Interface type: RS reverse 485
Speed: ≤115.2Kbps
Bit error rate: ≤10-9
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