UPS5000-E-(25 kVA-75 kVA)-SM
User Manual (Half Height)
2 Overview
Issue 03 (2019-12-13)
Copyright © Huawei Technologies Co., Ltd.
29
Indicator
Color
Status
Description
upgraded.
Alarm indicator
Yellow
Steady on
A minor alarm is generated for the
ECM.
Off
No minor alarm is generated for
the ECM, or the CPLD software is
being upgraded.
Fault indicator
Red
Steady on
A critical alarm is generated for
the ECM.
Off
No critical alarm is generated for
the ECM, or the CPLD software is
being upgraded.
MDU Reset Button
If the MDU does not work properly, press this button to reset the MDU. The UPS running is
not affected.
Functions
The bypass module supplies power in the following cases:
If the UPS is set to ECO mode and the bypass voltage is within the specified range, the UPS
works in bypass mode.
If the power module overload times out, the UPS transfers to bypass mode.
The system fails to run properly and transfers to bypass mode.
A manual operation is performed to transfer to bypass mode.
Specifications
Dimensions (H x W x D): 86 mm x 380 mm x 400 mm
Weight: < 10 kg
2.3.5 Control Port
Parallel Port and BSC Port
To connect UPSs in parallel, use a parallel cable to connect the parallel ports on the ECMs on
the two UPSs. A hot swappable BSC is used in a dual-bus system to process the
communication information of two UPS systems.
describes the functions of the
parallel port and BSC port.
Table 2-6
Functions of the parallel port and BSC port
Silk Screen
Description