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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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Power Distribution Principle

Power Distribution Principle

The MA5608T chassis adopts AC and DC power supply. This topic describes the power distribution principle of the MA5608T chassis.

The power distribution principle of the MA5608T, as shown in Figure 2-34.


The MA5608T chassis adopts -48 V (-38.4 V to -57.6 V)/-60 V (-38.4 V to -72 V) DC power supply and AC power supply. The following uses the -48 V DC as an example.

Figure 2-34  Power distribution principle of the MA5608T chassis

The MPWC power interface board leads two -48 V input to the backplane, and then the backplane supplies power to each board.

The MPWC boards supports two -48 V DC input. If one input is off, the other supplies power to the chassis can guarantee normal running of the system.

The MPWD power interface board supports the AC input. After AC/DC conversion, the power is supplied to the system backplane at -48 V DC.

Two MPWE boards can be configured for dual-system hot backup. Each MPWC board supports one -48 V DC input. If one MPWE board is off, the other supplies power to the chassis can guarantee normal running of the system.

Updated: 2019-03-18

Document ID: EDOC1000060621

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