Huawei UPS5000-A-400 kVA User Manual page 31

UPS5000-A-400 kVA
User Manual (50 kVA, PF=0.9)
Table 2-1 Ports on the ECM
Silk Screen
PARALLEL
BSC
For a single UPS, the parallel cable is not needed.
Table 2-2 Indicator description
Indicator
NORMAL
ALM
FAULT
Issue 03 (2020-01-10)
Description
The PARALLEL port transmits parallel signals.
This port is used in a dual-bus system to balance output frequencies and
phases between UPS systems, ensuring that two buses can switch with
each other.
BSC cables are hot-swappable.
Color Status
Green Steady on
Blinking at 0.5
Hz
Off
Blinking at 4 Hz
Yellow Steady on
Off
Red Steady on
Off
Copyright © Huawei Technologies Co., Ltd.
Description
This ECM is the active ECM.
This ECM is the standby ECM and it is
ready.
This ECM is not ready or the CPLD of
this ECM is being upgraded.
The DSP of the ECM is being upgraded or
not configured.
The ECM has a minor alarm, but it does
not need to be replaced.
The ECM has no minor alarm or the DSP
of the ECM is being upgraded.
The ECM has a critical alarm.
The ECM has no critical alarm or the DSP
of the ECM is being upgraded.
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