Overview
Brand Name: Huawei
Model Number: H612IPMD
Discription:
The IPMD board is an IP service processing board of the master shelf. The H612IPMB board is also called the broadband control board.
The IPMD board has the following functions:
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Aggregates and processes broadband services.
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Forwards the VoIP services of the PVMD board.
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Transmits IP services upstream through the FE/GE electrical port or the GE optical port.
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When two IPMD boards are configured, 32 broadband service channels and 12 GE service channels are supported.
The basic working principles of the IPMD board are as follows:
The control module controls and manages other modules and performs the active/standby switchover;
The switching and service processing module:
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Provides FE or GE ports.
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Switches services.
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Ensures the quality of service (QoS).
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Schedules queues.
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Controls security.
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Provides the star broadband bus to connect to the service boards of the backplane.
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The power module supplies power to each functional module of the board.
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The clock module provides clock signals for each functional module of the board.
