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02 RIH1302 Two-Channel RF in HD Professional IRD
03 REH2301 Single-Channel MPEG-2/H.264 HD Encoder
04 REH2401 Single-Channel H.264 HD Smart Encoder
05 REM7002 Two-Channel AV to DVB-S2 MPEG-2/H.264 HD Encoder Modulator
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ROT3701 Optical Transmitter / ROR3702 Optical Receiver > Optical Transmitter/Receiver

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Professional IRD
  DVB-S2/DVB-T2/DVB-C/ ATSC/ISDB-T input
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  Up to full 1080P HD
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ROT3701 Optical Transmitter / ROR3702 Optical Receiver

 

ROT3701 Optical Transmitter / ROR3702 Optical Receiver

ROT3701 Optical Transmitter / ROR3702 Optical Receiver

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Features
● Transmission of 2-CH HD video and 3-CH analog audio in single fiber
● Comply to SMPTE259M, SMPTE297M, SMPTE310 SMPTE305(SDTI), SMPTE344 standards
● Comply to DVB-ASI(EN50083-9) standard
● Automatically adapt to SDI in 143Mbps, 177Mbps, 270Mbps, 360Mbps, 540Mbps, 1483.5Mbps, 1485Mbps, etc.
● SDI pathological code test passed
● SDI input with cable equalization function, able to compensate the loss in cable transmission
● Digital compression and decoding in 20bit
● Automatic conversion between balance / unbalance audio output, with ESD protection
● Wide audio dynamic range, max. input/output by +18dBm
● Output signal complies to GY/T156-2000, GY /T158-2000 GY/T187-2002 standard
● LED indicators of input/output HD-SDI, optical signal, power, etc., on front panel, showing working status in simple but clear way
 
Introductions
ROT3701 Optical Transmitter and ROR3702 Optical Receiver is a pair of customized devices, which processes transmission of video and audio signals in the method of single fiber optical wavelength division multiplexing(WDM). It is able to transmit 2-channel HD-SDI HD video signals(compatible with SD-SDI in bitrate of 143Mbps, 177Mbps, 270Mbps, 360Mbps, 540Mbps, etc.) and 3-channel analog audio(XLR) signals(HI-FI) within one unit. The transmitter converts analog audio to digital signals, and transmits out via fiber then. From the side of the receiver, it returns and outputs with the 2-channel HD video and 3-channel of analog signals as they were. The device works in excellent signal accuracy, and reduces circuit jitter, able to deal with distortion in high performance. For signals in 1485Mbps, it supplies auto-balance in over 100m, and over 250m for 270Mbps signals. This optical transmitter and receiver is a cost-effective and space-saving product for audio and video in fiber transmissions.
Specifications
Video Input
Video Input Channel 2*HD-SDI
Input Level >380mVp-p
Auto Cable Balance >250m (270Mbps)(BELDEN8281 cable)
>100m(1485Mbps)(BELDEN8281 cable)
Input Reflection Loss >15dB (1485MHz)
Connector BNC, 75Ω
Audio Input
Audio Input Channel 3*XLR(analog)
Bandwidth 20Hz~20KHz @ - 0.5dB
Max. Input Level 17.4Vp-p(+18dBm) (or as requested)
Channel Isolation >90dB @ 1KHz; >90dB @ 20KHz
Input Resistance 600Ω, or high resistance
Video Output
Video Output Channel 2*HD-SDI+2*HD-SDI(loop)
Output Level >800mVp-p±10%
Up/down Duration <0.8ns
Max. Jitter <0.1UI(270Mbps)
Connector BNC, 75Ω
Audio Output
Audio Output Channel 3*XLR(analog) stereo
Bandwidth 20Hz~20KHz @ - 0.5dB
Max. Output Level 17.4Vp-p(+18dBm) (or as requested)
Signal Noise Ratio >86 dB(non-increasing)
THD(Total Harmonic Distortion) <0.2%
Channel Isolation >90dB @ 1KHz; >90dB @ 20KHz
Delay Matching
Amplitude Matching ±0.2 dB
Output Resistance Low Resistance
Optical Path Parameter
Optical Wavelength 1310nm, 1550nm
Optical Transmission Power 0±3dBm
Optical Receiving Power -28dBm ~ -3dBm
Transmit Length 0~100km(standard configured in 40km)
Optical Connector SC/APC (FC/APC, SC/PC, FC/PC optional)
General
Voltage 85~265V AC, 50/60 Hz
Power Consumption <20.0 W (dual-power optional)
Environment 0~45°C (Operation), -20~80°C (Storage)
Dimension (W*D*H) 430*230*86 mm(19’’, 2U)
Gross Weight 4.0 KGS
 
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