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MA5600T, MA5603T, and MA5608T Hardware Description 25

This manual describes the Huawei MA5600T, MA5603T, and MA5608T hardware specifications, such as dimensions, weight, power consumption, capacity, structure, chassis, slots, boards, power modules, and optical modules.
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H801SCUL Board Description

H801SCUL Board Description

The H801SCUL board is a super control unit board. It mainly controls the system and processes broadband services. The H801SCUL board communicates with the service boards through the GE channel or the 10GE channel to configure, manage, and control the device. It also implements the simple route protocol functions. The H801SCUL board processes the alarms through the inband NMS. Based on the upper-layer protocol between the H801SCUL board and the service boards, the software of the H801SCUL separates the management information such as alarms from the information reported by the service boards. Then, the H801SCUL board identifies and processes the information.

Functional Specifications

Please refer to "SCU boards Comparison".

Technical Specifications

Please refer to "Power Consumption and Maximum Frame Size of Boards".

Working Principle

Figure 3-14  Working principle of the H801SCUL board

The basic working principle of the H801SCUL board is as follows:

  • The control module manages the H801SCUL board and service boards, and communicates with the fan tray through the extended serial port.
  • The power module supplies power to other functional modules of the board.
  • The clock module provides clock signals for other functional modules of the board.
  • The switching module provides the GE/10GE port to switch and aggregate services at Layer 2 or Layer 3.
    • Providing 16 GE/10GE ports to implement GE/10GE switching on each service board
    • Providing two GE/10GE ports for upstream transmission using the upstream board.
    • Providing two GE/10GE ports for upstream transmission using the upstream board (in the second of the two slots for the upstream board). Either the last GE/10GE port or daughter board can be used for upstream transmission, which is controlled by the electronic switch.

Front Panel Port








Running status indicator



The board functions properly



The board is starting up



(supported in V800R009C00 and later versions)

A high-temperature alarm is generated



The board is faulty


Active indicator



In active/standby mode, the board is active



In active/standby mode, the board is standby

Daughter Board

The H801SCUL board can be configured with a matching daughter board. Figure 3-15 shows the position of the daughter board on the H801SCUL board.

For details about the daughter board and functions supports by the H801SCUL board, see Daughter Board..

Figure 3-15  Position of the daughter board on the H801SCUL board

Updated: 2019-03-18

Document ID: EDOC1000060621

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