Ne40E-X8 Power Supply System; Architecture Of The Power Supply System - Huawei NE40E Hardware Description

NE40E
Hardware Description
Item
Dimensions (H x W x D)
Weight
Rated voltage
Voltage range
Maximum current
Typical power consumption
Typical heat dissipation

1.8.3 NE40E-X8 Power Supply System

1.8.3.1 Architecture of the Power Supply System

The NE40E-X8 supports either DC or AC power supply.
DC power supply
In the case of a DC power supply system, four 70 A Power Entry Modules (PEMs) are
inserted at the rear of the chassis, working in 2+2 backup mode. Two -48 V power inputs are
joined on the board. Figure 1-34 shows details of the DC power supply system.
Issue 01 (2018-05-03)
The AC power system supports 200-240 V AC power. It supports 110 V dual-live-wire inputs but not
110 V AC single-phase inputs. If 110 V dual-live-wire inputs are used, the voltage must range from 180
V to 264 V.
In Figure 1-34, each DC power input contains one -48 V power input and one RTN input. Two separated
RTN inputs are joined on the board.
PEM A1 and PEM B1 work in 1+1 backup mode, PEM A2 and PEM B2 work in 1+1 backup mode.
Specification
43 mm x 424.3 mm x 80 mm (1.69 in. x 16.70 in. x 3.15
in.)
2.5 kg (5.51 lb)
200 V AC to 240 V AC
180 V AC to 264 V AC
16 A
67.9 W
220.2 BTU/hour
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