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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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H801PRTA Board Description

H801PRTA Board Description

The H801PRTA board is a power transfer board. It leads in -48 V or -60 V DC power for supplying power to the device.

Functional Specifications

The H801PRTA board supports the following functions:

  • One -48 V or -60 V DC power input (input voltage range: -38.4 V to -72 V)
  • Input undervoltage alarming using the indicator and related information reporting
  • Fuse blow alarming using the indicator and related information reporting

Technical Specifications

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

Working Principle

Figure 3-44  Working principle of the H801PRTA board

The H801PRTA board leads in -48 V or -60 V power supply through the 3V3 power port on its front panel. Using its filter and detection circuit, the H801PRTA board detects various errors of the power supply and reports related information. In addition, the H801PRTA board transmits -48 V or -60 V power supply to the backplane for supplying power to other boards in the service subrack.

Front Panel Port



Indicator

Indicator

Name

Color

Status

Meaning

PWR48

Power status indicator

Green

On

The input voltage is within the normal range

Red

On

The input voltage is abnormal

-

Off

There is no power input

FUSE_48

Fuse status indicator

Red

On

The fuse blows

-

Off

The fuse functions properly

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Updated: 2019-03-18

Document ID: EDOC1000060621

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