Huawei SmartACU2000B Quick Manual page 5

2
Configurations in Typical Scenarios
Fiber Ring Network (no 24 V DC Input or Output)
Connections inside a
smart array controller
Three-
phase input
switch 2
Connections
inside a
box-type
transformer
Three-phase
power switch
2
Box-type transformer
busbar 2 A/B/C
Site cable:
Factory-installed
cable:
NOTE
Components in dashed-line boxes are optional. To highlight the involved area, the figure does not
show all factory-installed components and cables.
RS485 communications
terminal
LAN
switch
Three-
phase input
switch 1
Three-phase
power switch 1
Box-type transformer
busbar 1 A/B/C
Signal
cable
4
PE bar
Ground DC power
cable cable
Power
Fiber
adapter
adapter
ATB
Single-
phase input
switch
MCB
Station-service power source
L/N (L)
AC power
cable