Huawei OptiX OSN 9800 U32 Enhanced Subrack V100 Quick Installation Manual page 61

Power Cable Connections — PSU
b
NOTE
• The PIU boards on the left and right sides of the
EFI board are in mutual backup.
• When two PSUs are connected using a copper
fitting, the input current cannot be lower than 63 A.
Figure 1 - 63 A power inputs
PSU PSU PSU PSU PSU EFI PSU PSU PSU PSU PSU
Figure 2 - 63 A + 125 A power inputs
PSU PSU PSU PSU PSU EFI PSU PSU PSU PSU PSU
63 A
63 A 125 A
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