Digital Video Audio Optical Converter

This system product is our company use FPGA,CPLD etc study and search Video/Audio/Data converter equipment, our company own all software and hardware’s copyright. 1V1D1A digital converter adopt full dilital communicate,it can transmit 1 video ,1 route RS-485/RS-42 duple direction data,1 Audio in  the same time in one fiber. automatically compatible with PAL, NTSC and SECAM video format, products adopt the most advanced international technology of digital video and optical fiber transmission, performing synchronous, undistorted, uncompressed and high quality signal transmission over all kinds of optical fiber.

This system equipment have card-type and stand-alone for choice,connect by fiber cable,realize monitor every points.

2,Typical Application

Intelligent transportation supervisory system(ITS)

Military Tele-Com projects

Intelligent Monitor to produce process

Intelligent Monitor and alarm to factory, coal mine, oil field etc, realize safe and fireproofing   

High-building Security Protection

3 ,Specification

Monitor center adopt 19 inch 2U rack, Long-distance point adopt mini box

Simplex fiber singlemode transmit VIDEO/AUDIO/PHONE/DATA

Data uncompressed fiber transmit

automatically compatible with PAL, NTSC and SECAM video format

Semiduplex/Fullduplex data communication

Double direction Audio and phone

Audio/telephone,Ethernet for choice

4 ,Technology

4.1. Video

Signal: 1Vp-p 75

DG: <1%

DP: <1°

SNR: >70dB

Bandwidth: 2Hz~8MHz

Digitization: 8/10bit: 16MHz sampling

Format: PAL/NTSC/SECAM

4.2. Audio

Input voltage: 1Vp-p

Input resistance: 600, unbalance (or balance)

Bandwidth: 10Hz~20kHz

sampling: 8KHz

4.3. Phone

Port: auto(FXS),exchange(FXO)

Sampling: 8KHz

Cording: A rule

Bit: 64Kbit/s

Resistance: 2000

Bandwidth: 300-3400HZ/600

Vawp: <-67dB

Bell voltage: 25±3Hz,75±15V

Attenuation frequency: ITU-T

No voice Vawp: < -65dBm0p

Bunch telephone: <-65dBm0

Swing: ITU-T

4.4. Data

Port: industry terminal

Rate: 0~115.2Kbps

Error cord rate: <10^-9

Format: RS-232/RS-485

working: full duplex /single duplex

4.5. Optical port

Optical port: FC/PC

Distance: 20Km(basic )

4.6. Power supplier

-48VDC: -36V~-72V,≤240mV_p-p

220VAC: 110V~265V,50Hz

Power loss: less than 3W

4.7. Environment

Worl environment

Temperature: -10°C~55°C

Humidty: ≤90%( Non-condensing)

Atmospheric pressure: 86~106KPa

Storage environment

Temperature: -20~80°C

Humidty: ≤95%

4.8. Dimension

125mm×110mm×26mm