Analog Interface Board PFBA30X

The analog interface board is installed in the service slots of Keygoe3000 chassis, and each board provides 30 analog channels. By inserting DONJIN M2T, M2U, MTU, M2R, MCS, MEM, M2VOC, and M4VOC, you can configure the loop trunk interface, user trunk interface, high-impedance interface, and other special analog interface. When the module M2U, MTU, or MCS is configured, the feeding and ringing power is required.

The analog interface board could detect the voltage to improve the system management efficiency. 



    Type

    Appearance

    Function

    M2T

    1.jpg

    The analog trunk module, used for   accessing the foreign exchange office (FXO) interface, with 2 trunk channels   for each module

    M2U

    2.jpg

    The   analog user module, used for accessing the foreign exchange subscriber (FXS),   with 2 user trunk interfaces for each module, requiring the feed power and   ring power.

    MTU

    3.jpg

    The analog trunk user module,   used for connecting to the FXO and FXS, with each module processing one FXO   interface channel and one FXS interface channel, requiring the feed power and   ring power. It can be used as the emergency exit during power-off.

    M2R

    4.jpg

    The recording module, together   with the analog interface board and digital phone recording board, is used to   record calls on an analog phone. Each module can process 2 recording   channels.

    MCS

    5.jpg

    Magneto module, used as a magneto   phone, each module has 2 channels, requiring the feed power and ring power.

    MEM

    6.jpg

    The EM trunk control module is   used to convert the telecom interfaces between devices. By the combinations   from E lines and M lines, the forward signals and backward signals can be   transmitted. It requires feed power.

    M2VOC

    7.jpg

    The EM 2-line voice module is   used to convert the telecom interfaces between devices. By the combinations   from E lines and M lines, the forward signals and backward signals can be   transmitted. 2-line E/M trunk (for 4 lines, they are 2-line voice, E line,   and M line).

    M4VOC

    8.jpg

    The EM 4-line voice module is   used to convert the telecom interfaces between devices. By the combinations   from E lines and M lines, the forward signals and backward signals can be   transmitted. 4-line E/M trunk (for 6 lines, they are 2-line for receiving   voice, 2-line for sending voice, E line, and M line).


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