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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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H801ETHB Board Description

H801ETHB Board Description

This topic covers the working principle, application, front panel, port, and specifications of the H801ETHB board.

Functional Specifications

Please refer to "Ethernet Service Access Boards Comparison".

Technical Specifications

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

Application

The H801ETHB board supports Ethernet cascading, Ethernet upstream transmission, and aggregation management for remote GE extended subracks.

  • The H801ETHB board is mainly used for Ethernet cascading, which saves the upstream fiber resources of access nodes.

    Figure 3-56  H801ETHB used for Ethernet cascading
  • When the upstream ports on the control board and GIU board are insufficient, the H801ETHB board can be used for Ethernet upstream transmission.

    Figure 3-57  H801ETHB used for Ethernet upstream transmission
  • The H801ETHB board can be cascaded to remote GE extended subracks (for example, MA5623AR), achieving aggregation management for remote GE extended subracks.

    Figure 3-58  H801ETHB managing remote GE extended subracks

Working Principle

Figure 3-59 illustrates the working principle of the H801ETHB board.

Figure 3-59  Working principle of the H801ETHB board

The basic working principle of the H801ETHB board is as follows:

  • The control module loads the board software, manages and controls the running of the board, and reads the slot ID, version and type of the board.
  • The interface module provides eight GE ports.
  • The switching module implements the load sharing and the redundancy protection through the inter-board aggregation.
  • The power module supplies power to each functional module of the board.
  • The clock module provides clock signals for each functional module of the board.

The service process is as follows:

  • In the upstream direction, service data is transmitted from the control board to the switching module through the backplane connector. The switching module performs the line rate switching of the Ethernet packets and supports service cascading and upstream transmission.
  • In the downstream direction, service data is transmitted to the switching module through the daughter board and then to the control board through the backplane.

Front Panel Port



For details about supported optical module or electrical module, see GE Optical/Electrical Module.

Indicator

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

The board works in the normal state

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

Red

On

The board is faulty

ACT

Active/standby status indicator

Green

On

The ACT indicator has no significant indication until it is assigned

LINK

Link status indicator

Green

On

A connection is set up on the port

-

Off

No connection is set up on the port

ACT

Data status indicator

Yellow

Blinking

Data is being transmitted

-

Off

No data is being transmitted

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Updated: 2019-03-18

Document ID: EDOC1000060621

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