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4 channels video transceivers
Series Description: 4 channels video transceivers

Comark fiber-optic video transceivers can simultaneously transmit 1-64 channels of 8-bit digitally encoded video / return or bidirectional data / unidirectional or bidirectional audio / Ethernet / Telephone / Dry contact over one multimode or single-mode optical fiber.

These multiplexers are typically used in applications where the cameras have P/T/Z capabilities. Plug Play design ensures the ease of installation operation. Electronic optical adjustments are never required. LED indicators are provided for instantly monitoring system status.

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    Comark fiber-optic video transceivers can simultaneously transmit 1-64 channels of 8-bit digitally encoded video / return or bidirectional data / unidirectional or bidirectional audio / Ethernet / Telephone / Dry contact over one multimode or single-mode optical fiber.

    These multiplexers are typically used in applications where the cameras have P/T/Z capabilities. Plug Play design ensures the ease of installation operation. Electronic optical adjustments are never required. LED indicators are provided for instantly monitoring system status.

    Devices are available for either stalone or rack-mount installation ,which is suitable for different working environment .

    Technical Specification

    Video channels 4 channel

    Video Bandwidth 5-7.5 MHz

    Automatic Compatible Video system PAL, NTSC, SECAM

    Video input/Output Impedance 75 Ω

    Video Signal-to-noise Ratio ≥67dB

    Differential Gain (10%-90%APL) DG <1% (typical Value)

    Differential Phase (10%-90%APL) DP <0.7° (typical Value)

    Video Connector BNC

    Fiber-optic Specification

    F/O connector: FC/ST/SC

    Transmitter TX Power:-15 ~ -8dBm Sensitivity:-35dBm

    Receiver: TX Power:-15 ~ -8dBm Sensitivity: -35dBm

    Transmission Distance: 20KM (single mode)

    Operating Wavelength: TX1310/RX1550nm (Transmitter); TX1550/RX1310nm (Receiver)


    Specification of custom-made options

    Data Connector: Terminal Blocks

    Encoded type: RS485 / RS422 / RS232 / Manchester

    Data rate: 0 -400Kbps

    BER: ≤10-9

    Audio Connector: Terminal Blocks

    Audio input / output impedance: 600Ω (Balance/ unbalance)

    Audio input / output voltage: 2Vp-p (typical value)

    Audio input / output level: 0dBm (typical value)

    Video bandwidth: 10HZ~12KHZ

    Audio digital encoded bandwidth: 24bit

    Audio signal-to-noise ratio: S/N≥95dB (weighted)

    Telephone Connector: RJ11

    Bandwidth: 8 KHz

    Features Support call-showing function;

    Support H-F Operating mode: Point to point hotline mode / FXS-FXO

    Ethernet Connector: RJ45

    Support mode: Half duplex or Full duplex

    Standards IEEE802.3

    Data rate: 10M / 100Mbps

    Bandwidth: 25M

    Dimensions: 19.2(L) 17.3(W) 2.8(H) cm

    Operating Voltage: DC5V (we will offer external power supply from AC96-240V to DC5V for each unit )

    Operating Temperature: -10℃ to +75℃

    Storing Temperature: -55℃ to +85℃

    Humidity: 0 to 95% non-condensing

    MTBF: ≥ 105 hours

    Warranty: 3 years

    Application:
    Intelligent Transportation System

    Connection of Sub-network for Surveillance Center

    Public Security Surveillance

    High Way & Toll Station Surveillance

    Industrial Closed Circuit Television Surveillance
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      Shenzhen Comark Technology Co. Ltd.

      Tel: +86 13924583493
      Email:sales01@comark.cn
      Add: Floor 4, Building G, No. 2 Tangxi Industrial Zone,21# Xijing Rd,Gu Shu, Xi Xiang, Bao'An District, Shenzhen, 518126, P.R.C.
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