Huawei CX600-8 Hardware Description page 103

HUAWEI CX600-8/16/X3/X8/X16 Metro Service Platform
Hardware Description
Item
Maximum input current
Output voltage
Output current
Rated current of the air-break
Maximum output power
If the CX600-X8 has a DC power supply system, four 70 A PEMs work in 2+2 backup mode.
Figure 4-7
Two -48 V power inputs are joined on the board.
After the low-frequency filtering, the two -48 V power inputs for fans Two separated RTN inputs
are joined on the board inside the fan module.
In Figure
inputs are joined on the board.
Figure 4-7 Architecture of the CX600-X8 DC power supply system
PEM A1 and PEM B1 work in 1+1 backup mode, PEM A2 and PEM B2 work in 1+1 backup mode.
4.2.4 AC Power Supply System
This section describes the appearance, functions, and the technical parameters of the AC power
supply system.
Issue 03 (2013-11-30)
shows details of the DC power supply system.
NOTE
4-7, each DC power input contains one -48 V power input and one RTN input. Two separated RTN
NOTE
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Technical Parameter
70 A
-38.4 V DC to -72 V DC
70 A
70 A
2800 W
4 CX600-X8
84