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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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H801TOPB Board Description

H801TOPB Board Description

The H801TOPB is a TDM traffic over PSN board. It provides two STM-1 ports for transmitting TDM services to the upstream.

Functional Specifications

The H801TOPB board supports the following functions:

  • Native TDM function
  • CESoP function
  • TDM signal upstream transmission through two STM-1 optical ports
  • Intra-board and inter-board 1+1 port protection
  • Automatic shutdown in times of high temperatures

Technical Specifications

For details, see Power Consumption and Maximum Frame Size of Boards.

Working Principle

Figure 3-63  Working principle of the H801TOPB board

The basic working principles of the H801TOPB board are as follows:

  • The control module loads the board software, and controls and manages the entire board.
  • The service processing module allocates the GE bus of the backplane and processes signals.
  • The interface module converts signals.
  • The power module supplies power to other function modules of the board.
  • The clock module provides the working clock signals for other function modules of the board.

The service processing procedure of the H801TOPB board is as follows:

  • In the upstream direction, GE signals from the backplane travel trough the interface module and are converted into the TDM frames. Then the TDM frames are transmitted upstream.
  • In the downstream direction, the interface module receives signals from the TDM line and converts the signals into the GE packets. Then the service processing module processes the GE packets and forwards them to the backplane bus. The backplane bus transmits the GE packets to the control board and then the control board allocates the GE packets to respective service boards.

Ports on the Front Panel



For details about supported optical module, see STM-1 Optical Module.

Indicators

Indicator

Name

Color

Status

Meaning

RUN ALM

Running status indicator

Red

Blinking

The board enters the APP start phase during the board startup

Green

Blinking quickly (on for 0.25 s and off for 0.25 s repeatedly)

The board enters the phase of communication with the control board during its startup

Green

Blinking slowly (on for 1 s and off for 1 s repeatedly)

The board works in the normal state

Orange

Blinking

A high-temperature alarm is generated

Red

On

The board is faulty

BSY

Port status indicator

Green

Blinking

At least one service port is activated

-

Off

No service port is activated

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Updated: 2019-03-18

Document ID: EDOC1000060621

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