UPS5000-S-880 kVA
User Manual (CMI)
2 Overview
Issue 02 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
38
Figure 2-23
MDU ports
Table 2-12
Description of MDU ports
No.
Port Name
Description
1
MUS05A
(DB26)
Connects to the MDU and monitoring interface card
2
FE
Network port
3
CAN
Reserved
4
RS485_1
Reserved
5
USB Host
After installing the WiFi module, locally connect to the
UPS over the Service Expert app. Obtain the initial
startup password during deployment. View or obtain
UPS running information during preventive
maintenance.
NOTE
Only Huawei service engineers or authorized service engineers are
allowed to use the WiFi module. To ensure security, remove the
WiFi module immediately after use.
Insert the USB flash drive, import and export the
configuration file, export run logs, and upgrade software.
6
RST
Restart switch for the MDU
7
SD
Reserved
8
DIP switch
Implements specific functions by using the DIP switch and
specific buttons; controls the CAN communication build-out
resistor in a parallel system
Functions
The monitor display unit (MDU) allows for general UPS operations, parameter setting,
viewing of running status and alarms, and so on.