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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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H801AIUG Board Description

H801AIUG Board Description

The H801AIUG board is an ATM interface init board. The board connects to the ATM-DSLAM devices in the downstream direction, and also provides the ATM private services.

Functional Specifications

The H801AIUG board supports the following functions:

  • Four ATM optical ports (STM-1)
  • ATM cascading upstream transmission (ATM PWE3) through a private line

Technical Specifications

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

Working Principle

Figure 3-79  Working principle of the H801AIUG board

The basic working principle of the H801AIUG board is as follows:

  • The control module loads the board software, controls the running of the board, and manages the entire board.
  • The processing module controls the interconnection between the high speed backplane bus and the interface module.
  • The interface module manages the connections, resources, and ATM switching of the ATM layer. The interface module also provides external ports.
  • 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, the daughter board transmits the service data from the ATM network to the interface module. The interface module performs ATM switching, that is, VPI/VCI conversion, and then transmits the service data to the processing module. The processing module performs conversion from ATM to IP, that is, encapsulates ATM packets into MAC frames. Then, the backplane connector transmits the MAC frames to the control board. After the control board processes the MAC frames, the frames are transmitted to the upper level device through the optical or electrical port.
  • In the downstream direction, the processing module converts the IP packets from the backplane into ATM cells and then transmits the ATM cells to the interface module. The interface module performs ATM switching and then transmits the ATM cells to the ATM network through the daughter board.

Front Panel Port



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

Red

On

The board is faulty

ACT

Active indicator

Green

On

This has no indication

LOS

Current connection status indicator

Red

On

The connection fails or is not activated. The board generates an alarm

-

Off

The connection is successful. No alarm is generated on the board

Daughter Board

The H801AIUG board provides two daughter board ports to hold two daughter boards.

Figure 3-80 shows the positions of the daughter boards on the H801AIUG board.

Figure 3-80  Positions of the daughter boards on the H801AIUG board

Table 3-39 describes the daughter board supported by the H801AIUG board.

Table 3-39  Daughter board supported by the H801AIUG board

Daughter Board

Port

Connection

O2CS

Two ATM optical ports

When only one daughter board is installed, install the daughter board in the upper position daughter board 1.

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Updated: 2019-03-18

Document ID: EDOC1000060621

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