Huawei FusionModule1000A40 Commissioning Manual page 56

FusionModule1000A40 Prefabricated All-in-One Data
Center
Commissioning Guide
Figure 8-4 MDU ports
Table 8-3 MDU ports
Port Name
(1) MUS05A
(2) FE
(3) CAN
(4) RS485_1
(5) USB Host
Issue 04 (2020-01-17)
Port Description
N/A
Network port connecting to the
management system when the SNMP
protocol is used
Connecting to the CAN bus
Northbound serial port connecting to
the management system when the
Modbus protocol is used
 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.
Copyright © Huawei Technologies Co., Ltd.
8 Commissioning Core Components
Remarks
N/A
N/A
N/A
The RS485 cable connected to
the port uses the RJ45
unshielded connectors with the
following pins:
 Pin 1: positive transmit end
on the MDU
 Pin 2: negative transmit
end on the MDU
 Pin 4: positive receive end
on the MDU
 Pin 5: negative receive end
on the MDU
N/A
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