5 Power
Issue ()
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
35
Technical Specifications
Item
Specification
Dimensions (H x D x W)
19.8mm x 211.8mm x 96.5mm (0.77 in. x 8.33 in. x 3.79
in.)
Weight
0.89 kg (1.96 lb)
Number of AC power input
channels
200V to 240V
Rated AC input voltage
180V to 264V
Maximum current
2.8 A
Typical power consumption
26 W
Maximum output power
500 W
5.2 NE40E-M2F Power Supply System
5.2.1 Architecture of the Power Supply System
The system supports DC and AC power supply in 1+1 backup mode.
The power supply system provides the fault monitoring and alarming function.
5.2.2 Power Supply Architecture
The two power modules work in 1+1 backup mode. The two DC power supply channels in
backup mode are converted by two independent power supply modules and then provided for
subcards and fan modules.
Figure 5-4
NE40E-M2 power supply architecture
PSU A
PSU B
FAN
PIC
Integrated
control board
48V-fan
48V-A-fan
48V-B-fan
48V
48V-A
48V-B
Backplane