Figure 1-6 Diagram of the power supply architecture
PEM A
PEM B
FAN
MPU/NPU/PIC
48V-fan48V-A-fan
48V-B-fan 48V-A
48V-B
48V-A
48V-B
3.3V-A
3.3V-B 3.3V
Backplane
3.3V
 
1.2.3 DC Power Supply System
The device uses two PSUs, which work in 1+1 backup mode, for power supply. Figure 1-7
shows the outline of a PSU.
Figure 1-7 Outline of a PSU
 
Table 1-5 Specifications of the PSUs
Item Specification
Dimensions (H x W x D) 20 mm x 194 mm x 226 mm (0.79 in. x 7.64
in. x 8.90 in.)
Weight 1 kg (2.21 lb)
Rated voltage -48 V DC or -60 V DC
Input voltage range -38.4 V DC to -72 V DC
Maximum input current 25 A
Maximum output power 1200 W
 
HUAWEI CX600-X1-M/CX600-X2-M Series Metro
Services Platform
Hardware Description
1 CX600-X1-M4 Hardware Description
Issue 03 (2014-04-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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