1. 數位影像音頻傳輸光電轉換器(Digital-Video/Audio)
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    首頁 > > 數位影像音頻傳輸光電轉換器(Digital-Video/Audio)

    VAD-D122A/2AR.L1 Digital 1 video + 2 duplex audio + 2 duplex data + 2 contact closure 一芯光纖傳輸1路視頻+2路雙向音頻+2路雙向數據+2路雙向接點訊號 光電轉換器
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    VAD-D122A-2AR-L1

    ★★★★商品說明★★★★
     




     
    ★★★★商品規格描述★★★★
     
    VAD-D122A/2AR.L1 Digital 1 video + 2 duplex audio + 2 duplex data + 2 contact closure
    Digital 1-Channel Video + 2 Audio + 2 Data + 2 CC Fiber Optic Transmission Module Pair
    1 V   2 A   2 D   2 CC      
     
    Features
      1 Video+ 2 Data+ 2 Audio + 2 Contact Closure fiber optical transmission over 1 fiber
      Multi-function attached to meet most system application
      Function LEDs for easily judge module working status
      Card design to fit with standalone metal box or 19" mountable rack for different installation environment
      EMI, RFI resistance
      Compatible with NTSC, PAL, SECAM
     
    Application
      CCTV video transmission with audio, data, control function application
      Audio channels apply as a simple intercom
      Religious rites with chanting and video + data
      Save city surveillance systems
      Industrial process monitoring
      Highway traffic transportation monitoring
     
    Video
      Video Channel:1
      Input/Output Impedance:75 ohms
      Input/Output Level:1Vpp
      Encoding/Decoding:Uncompressed 8-bit
      Bandwidth:5Hz to 10MHz
      Signal to Noise Ratio:>70dB
      Differential Gain:<1%
      Differential Phase:<0.7°
      Video Connector:BNC
     
    Audio
      Audio Channel:2, duplex
      Input/Output Impedance:600Ω, balanced or unbalanced
      Input/Output Level:2Vpp
      Bandwidth:10Hz~20kHz
      Sampling Rate:48K
      Distortion:<=1 %
      Signal to Noise Ratio:>=85dB
      Audio Connector:DB25, female
     
    Data
      Data Channel:Duplex 2 data channel
      Data Interface:RS232x1, RS422 or 2-wire RS485x1, Bi-phase & Manchester available
      Data Rate:DC to 256Kbps
      Bit Error Rate:<1x10-9
      Contact Input:For any with or without voltage contact, alarm, relay or without voltage button and switch
      Contact Output:Changeover relay contact output
      Data Connector:DB25, female
     
    Optical
      Optical Fiber:1
      Optical Wavelength:1310/1550nm
      Optical Output Power: > -12 / -14dBm @ 1310nm / 1550nm
      Receiver Sensitivity:< -28 / -30dBm @ 1310nm / 1550nm
      Optical Link Loss:16~23dB @ 1310nm, 14~18dB @ 1550nm
      Transmission distance:30km @ single mode, 5km @ multi-mode
      Optical connector:ST
     
    Physical
      Power Requirement : 9~12VDC, 230mA
      Indicator: Optical link LED x 1 @Tx and Rx; Video input LED x 1 @ Tx; Video output LED x 1 @ Rx; Audio LED x 2 @Tx and Rx; Data LED x 2 @Tx and Rx; Contact Closure LED x 2 @Tx and Rx; Power LED x 1@ Tx and Rx
      Dimensions (mm):166.5W x168D x 28H (VAD-C1)
      Weight:160g
      Operating temperature:-20°C~+75°C
      Relative Humidity:0~95%, non-condensing
     
    Ordering information
      VAD D122A/2AR.L1.T.37 Digital 1video transmitter + bi-directional 2 audio + 2 data + 2 contact closure transceiver card
      VAD D122A/2AR.L1.R.37 Digital 1video receiver + bi-directional 2 audio + 2 data + 2 contact closure transceiver card
      VAD-C1 Standalone metal box, 1-slot, 630g
      Note for 19" rack mounting purpose, chassis with power supply is required.