Huawei SmartAX MA5600T Hardware Description page 453

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
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Issue 24 (2018-07-30)
The narrowband interface module provides access to 48-channel narrowband service.
The narrowband service processing module encodes and decodes narrowband voice
services and converts analog signals into digital signals. It then sends narrowband voice
services to the forwarding module through the S3MII interface.
The forwarding module converts broadband signals and narrowband signals into GE
signals for upstream transmission through the backplane.
The power module supplies power to other functional modules of the board.
The clock module provides the working clock for other functional modules of the board.
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