FusionModule2000 Smart Modular Data Center
Product Description
5 Power Supply and Distribution System
Issue 06 (2020-05-21)
Copyright © Huawei Technologies Co., Ltd.
51
Silk
Screen
Description
Status
Initial Status
grounding faults
grounding fault
Disconnected: no
battery grounding
fault
0V
Port for signal ground
GEN
Port for detecting diesel
generator (D.G.) mode
Connected: D.G.
mode
Disconnected:
non-D.G. mode
Disconnected
0V
Port for signal ground
BCB_OL
Port for detecting the BCB
box
Grounded: BCB
box connected
Disconnected:
BCB box not
connected
Grounded
BCB_STA Port for monitoring the
battery switch
Connected: battery
switch ON
Disconnected:
battery switch
OFF
Disconnected
BCB_DR
V
Controls battery circuit
breaker trip. When the
voltage is +12 V, the circuit
breaker trips.
0 V: battery
switch not tripped
12 V: battery
switch tripped
0 V
BCB_0V
Port for signal ground
EPO_NO
Emergency power-off
(EPO) port
If the normally open
(NO) port is
connected to the
EPO_12V port, EPO
is triggered.
Disconnected
EPO_12V
+12 V
EPO_NC
EPO port
If the normally closed
(NC) port is
disconnected from the
EPO_12V port, EPO
is triggered.
Connected
EPO_12V
+12 V
SWITCH
STATUS_
OUT
Port for monitoring the UPS
output circuit breaker
Connected: circuit
breaker ON
Disconnected:
circuit breaker
OFF
Connected
SWITCH
STATUS_
0V
Port for signal ground
SWITCH
STATUS_
MT
Port for monitoring the
maintenance circuit breaker
Disconnected:
circuit breaker ON
Connected: circuit
breaker OFF
Disconnected
SWITCH
Port for signal ground