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    Picture of Yeastar O2 2FXO port module

    Yeastar O2 2FXO port module

    Yeastar O2, PBX Module 2 FXO Ports - O2
    • Ports: 2 RJ11 FXO Ports
    • Supported Model: S412, S20, S50, S100, S300,P550,P560,P570
    • Ring Frequency Detection: 15~50 Hz
    • Ring Voltage Detection: 30+ VRMS (depend on the FXO mode)
    • Termination: PSTN Lines
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    Picture of Yeastar SO 1FXS + 1FXO Port Module

    Yeastar SO 1FXS + 1FXO Port Module

    Yeastar SO, PBX Module 1 FXS and 1 FXO - SO
    • Port: 1 FXO RJ11 Port + 1 FXS RJ11 FXO Port
    • Supported Model: S20, S50, S100, S300, P550, P560, P570
    • FXO Ring Frequency Detection: 15~50 Hz
    • FXS Ring Frequency: 25 Hz
    • Termination: PSTN lines and Analog Telephone / Fax Machine
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