H831CCMB Is Huawei MA5818 Control Board
Huawei MA5818 Board H831CCMB Overview
H831CCMB is a central control unit (CCU) board. It manages broadband and narrowband service boards and interface modules, and is used for upstream service transmission.
The basic working principle of the H831CCMA board is as follows:
The upstream processing module provides 2 SFP ports and supports GPON, 10G GPON, GE, and 10GE upstream transmission.
The control and service processing module manages other components on the board through the management port, and provides service ports to connect to service boards and process services.
The logic module controls clock source selection and resets.
The power module controls the power provided through the backplane for feeding each component of the board.
The clock module provides the working clock signals for other function modules of the board.