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H601PVMD Is Huawei HONET UA5000 Narrowband Control Board
Huawei UA5000 Narrowband Control Board H601PVMD Overview
The H601PVMD board is a packet voice processing board. It manages the narrowband service board and processes the V5 and H.248 protocols.
The H601PVMD board has the following functions:
Transmits the time division multiplexing (TDM) voice signals to the local exchange (LE) through the V5 interface.
Encapsulates the TDM voice signals into IP packets and then transmit the packets upstream to the softswitch through the fast Ethernet (FE) port or the gigabit Ethernet (GE) port.
The basic working principles of the H601PVMD board are as follows:
The control module controls and manages the PVMD board.
The TDM switching module
Converts HW signals into TDM voice signals.
Converts TDM signals into HW signals.
The VoIP service processing module
Converts TDM voice signals into IP packets.
Converts IP packets into TDM voice signals.
The LSW switching module transmits IP packets to the MAN through the FE port.
The power module supplies power to each functional module of the board.
The clock module provides clock signals for each functional module of the board.
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