Huawei CX600-8 Hardware Description page 58

HUAWEI CX600-8/16/X3/X8/X16 Metro Service Platform
Hardware Description
Item
Output voltage
Output current
Rated current of the air-break
Maximum output power
If the CX600-X16 has a DC power supply system, eight 70 A PEMs work in 4+4 backup mode.
Figure 3-7
Two -48V power inputs are joined on the board.
After the low-frequency filtering, the two -48 V power inputs for fans are joined inside the fan
module.
In Figure
input are joined on the board.
Figure 3-7 Architecture of the CX600-X16 DC power supply system
Issue 03 (2013-11-30)
shows details of the DC power supply system.
NOTE
3-7, each DC power input contains one -48 V power input and one RTN input. Two separated RTN
NOTE
PEM A1 and PEM B1 work in 1+1 backup mode, PEM A2 and PEM B2 work in 1+1 backup mode, PEM
A3 and PEM B3 work in 1+1 backup mode, PEM A4 and PEM B4 work in 1+1 backup mode.
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Technical Parameter
-38.4 V DC to -72 V DC
70 A
70 A
2800 W
3 CX600-X16
39