To ensure power supply backup, connect PEM-As to the OUTPUT A area in the power
distribution box, and connect PEM-Bs to the OUTPUT B area in the power distribution box.
Mapping between input lines and output lines in the power distribution box
Figure 1-142 Mapping between input lines and output lines in the power distribution box
Scenario Where a Huawei NE40E-X3 Is Equipped with 2 PWR Modules
PWR 1 is connected to any power output in OUTPUT A area of the power distribution box.
PWR 2 is connected to any power output in OUTPUT B area of the power distribution box.
Figure 1-143 Power distribution mode for the NE40E-X3