Product Profile
4v Optical Transmitter/Receiver (video over fiber series)
4v Optical Transmitter/Receiver (video over fiber series)
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Product Specifications
  • Product Overview

    WT-V400-4V series products provide transmission of 4 channels of video ,4 channels of bi-directional audio, 4 channels of control data and 1 channel 10M/100M Ethernet over a single optical fiber. The product utilizes 8-bit encoding for video transmission without any distortion. Completely compatible with NTSC , PAL and SECAM CCTV video system, the product''s video specifications exceeds the requirements of EIA RS-250C Medium-Haul standards. Flexible data interfaces are supported including RS23,RS422/RS485, TTL signal or Contact-Closure signal. Plug-and-play design ensures ease of installation and free of electrical or optical adjustments. LED indicators are also provided for rapidly system diagnosis. Our robust design ensures extremely high reliability in any Out-of-Plant installations.

    Features and Application


    8-bit digitized video transmission without delay and distortion

    Support 10M/100M Ethernet auto-negotiation

    16-bit digitized encoding audio synchronous transmission with video

    Completely compatible with NTSC, PAL and SECAM

    Provide RS232,RS485 and RS422 data interface

    High reliability in out-of-plant environments

    LED indicators provide rapid indication of critical operating parameters

    Easy installation and adjustment free


    ITS Intelligent Traffic System

    Homeland Security

    Long Distance CCTV

    City Surveillance

    Video Conference

    Enterprise Video

    Technical Specification


    Channel: 4

    Format: PAL/NTSC/SECAM

    Input/Output signal: 1Vp-p (75ohms)

    Bandwidth: 5Hz ~ 7.5MHz

    Differential Gain: < 1%

    Differential Phase: < 0.7o

    Signal-to-Noise Ratio(SNR): > 67dB (weighted)


    Channel: 1~4

    Directions: any or Bi-directional

    Audio input: unbalanced

    Digitization: 16bit @ 48k

    Bandwidth: 10Hz ~ 24KHz

    Signal-to-Noise Ratio(SNR): 70dB



    Directions: any or Bi-directional

    Bandwidth: 186Kbps

    Interface: RS-232/RS-422/RS-485


    Channel: 1

    100Base-Tx , 10Base-T Full Duplex

    Auto-negotiation function

    Support 802.1Q VLAN TRUNK


    1310/1550 nm, single-mode

    CWDM wavelengths

    Power Supply

    90 ~ 240 VAC / 47 ~ 63Hz


    MTBF: > 100,000 hours

    Operating: -40 ~ +70

    Storage: -40~ +85

    Humidity: 0% to 95% , non-condensing


    307mm x 187mm x40 mm( L x W x H)

    LED Indicator

    Power, System status

    Video status, Audio traffic, Data traffic

    Ethernet 10M/100M indicators ,link status


    Optical: FC

    Video: BNC (gold plated center-pin)

    Audio: RJ45

    Data: RJ45

    Ethernet: RJ45

    Product Models

    Video Transmitter Video Receiver Description

    WT-V400-4VT WT-V400-4VR Four-Channel Video

    WT-V400-4VT-1DR WT-V400-4VR-1DT Four-Channel Video with one return data

    WT-V400-4VT-4DTR WT-V400-4VR-4DTR Four-Channel Video with four bi-directional data

    WT-V400-4VT-4ATR WT-V400-4VR-4ATR Four-Channel Video with four bi-directional audio

    WT-V400-4VT-4ATR-4DTR WT-V400-4VR-4ATR-4DTR Four-Channel Video with four bi-directional data and audio

    WT-V400E-4VT-4ATR-2DTR WT-V400E-4VR-4ATR-2DTR Four-Channel Video with two bi-dir data and two bi-dir audio, one channel Ethernet

    WT-V400E-4VT WT-V400E-4VR Four-Channel Video with one channel Ethernet

    Please Note: All models listed are FC connector, SM fiber, Transmission Distance is 25KM. For MM fiber, ST/SC connector or other optical power budget, Please contact us.