2/4/8 channel telephone optical transceiver

  • supports caller ID and reverse polarity billing function

  • Support the mutual release function of each site

  • The voice port supports O-port and S-port interface

  • S-port is connected with the user's telephone

  • description

  •     8-32-channel telephone + 4-channel 100M network PCM telephone optical transceiver

    Rackmount 8-32-channel telephone + 4-channel 100M network PCM telephone optical transceiver adopts large-scale integrated circuit with independent intellectual property rights, applies time-division multiplexing technology, and transmits Ethernet signal and telephone signal on a pair of optical fiber after mixing and coding. It realizes 10/100M Ethernet service, telephone service and mixed transmission, and the transmission channel is an optical transmission channel. The machine adopts 1U rack-mountable equipment design with high integration, small volume, low power consumption, reliable work and easy installation and use.

    II: Main functions and features

    1:Provides 1-channel optical interface
    2:Provide 8-32 channels of telephone
    3: Provide 4 10/100M Ethernet interfaces, 4-way Ethernet port support logical isolation
    4: telephone interface with overvoltage and lightning protection module.
    5: power supply for: 1U rack-mountable equipment for: built-in 220V or 48V power supply
    6: single-fiber or dual-fiber transmission, normal shipping for single-fiber.
    7: optical transmission distance of 20KM, *** far can transmit 120KM
    8: 1U rack-mountable equipment or desktop equipment

    Technical specifications
    1: Optical interface
    Wavelength: 1310nm (standard model) or 1550nm
    Transmit power: ≥ -12dBm
    Receiving sensitivity: ≤ -30dBm (BER ≤ 10-11)
    Interface mode: FC (standard models) or SC, etc.
    Transmission mode: double fiber or single fiber

    2: Ethernet interface
    Physical interface: RJ45
    Network protocol: IEEE 802.3i; IEEE 802.3u; IEEE 802.3x
    Support line speed 10Base-T/100Base-T, full duplex/half duplex adaptive
    Transmission mode: full-duplex/half-duplex
    Forwarding mode: store-and-forward, all ports support wire-speed forwarding

    3: Voice interface and signaling
    Switching side
    Off-hook impedance: < 500Ω
    Hang-up impedance: > 10KΩ
    User side
    Loop impedance: ≤ 2000Ω (including the phone)
    Idle circuit voltage: ≤ 50V
    Loop current: 25mA
    Picking threshold: 8mA
    Polarity reversal time delay: < 50ms
    Dialing: pulse dialing single pulse distortion < 5ms
    In-band audio dialing total distortion to meet the voice interface characteristics
    Picking time delay: < 100ms

    Ringing stream.
    Remote (FXS) ringing generator
    Frequency: 25 Hz±3 Hz
    Amplitude: 75V±5Vrms
    Bell flow time delay: < 50ms
    Total output power : ≤ 10W (in chassis)
    Local end (FXO) bell current detection
    Amplitude range: ***min 38Vrms
    Voice Interface
    Impedance: 600Ω or three-element compound impedance
    Audio range: 300-3400 Hz
    Coding law: CCITT recommendation G.711 A law

    4: Power consumption
    Power consumption of the whole machine: <15W

    5:Working environment
    Working temperature: -20~70℃
    Relative humidity: ≤95% (at 25℃)
    Atmospheric pressure: 70~106Kpa 







      -5 to +35℃(+23 to +95℉)


      5 to 90%RH (No Condensation)

      Video Input(Transmitter)



      1xHDMI Type A, 19-pin, female

      Video Output(Receiver)

      1xHDMI Type A, 19-pin, female

      Link(Transmitter/ Receiver)

      1m~60Kmsingle / Multimode single / Duplex fiber optical cable

      Module type required

      SFP Type, Single / Multi mode ,Single / Duplex fiber (optional)

      Video Format

      4K@60Hz YUV 4:2:0, 1080P@60Hz, 1080i, 720P, 576P, 480P

      Audio Format

      Support LPCM 7.1, Dolby  True HD, DTS-HD Master Audio .


      HDCP Input

      HDCP 2.2, HDCP 1.4

      HDCP Output

      HDCP 1.4

      Power consumption

      Transmitter: 3watts(Maximum)

      Receive: 3watts(Maximum)

      Dimension (L×W×H)

      Transmitter: 96*100*25mm

      Receive: 96*100*25mm

      Net Weight