Voice Module

DONJIN voice modules are installed on DONJIN analog trunk voice boards. They include the trunk module, user module, trunk/user module, Hiz recording module, magneto module, E/M control module, 2-channel voice module, and 4-channel voice module. Various modules can be used for various functions. Under the DBDK SDK, different kinds of modules can be installed on a same mother board.


    Name

    Type

    SDK

    Image

    Function

    Voice Module

    2-channel   trunk module

    M2T

    DBDK/NADK


    It is installed on a   motherboard of an analog trunk voice processing board for accessing the   foreign exchange office (FXO) interface. It can process 2 analog trunk   channels simultaneously.

    2-channel user module

    M2U

    DBDK/NADK


    It is installed on a motherboard of   an analog trunk voice processing board for accessing the foreign exchange   subscriber (FXS). It can process 2 user channels simultaneously. Power-3 need   be used to provide the feed and ring power.

    2-channel recording module

    M2R

    DBDK


    It is installed on an   analog interface recording processing board for wire tapping recording. It   can process 2 recording channels simultaneously, and can detect voltages   adjustably.

    Trunk/User module

    MTU

    DBDK


    It is installed on a   motherboard of an analog trunk voice processing board for connecting to the   FXO and FXS, with each module processing one FXO interface channel and one   FXS interface channel. Power-3 need be used to provide the feed and ring   power.

    2-channel magnet module

    MCS

    DBDK


    It is installed on a   motherboard of an analog trunk voice processing board, which can be   considered as 2-channel magnet phones. When the magnet channel is used for   inbound calls, it can be considered as a trunk channel; while the channel is   used for outbound calls, it can be considered as a user channel. Power-3 need   be used to provide the feed and ring power during the working.

    EM control module

    MEM

    DBDK


    It is installed on a   motherboard of an analog trunk voice processing board and can process two 4-pin   E/M trunk channels or E and M signals of 2-pin E/M trunk.

    2-channel E/M voice module

    M2VOC

    DBDK/NADK


    It is installed on a   motherboard of an analog trunk voice processing board and can process two   2-pin E/M trunk voice channels.

    4-channel E/M voice module

    M4VOC

    DBDK/NADK


    It is installed on a   motherboard of an analog trunk voice processing board and can process one   4-pin E/M trunk voice channels.


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