Huawei SmartLi 3.0 - Page 38

Figure 2-5 Monitoring interface unit
Table 2-5 Port description
No. Silk Screen Port Name Description
1 RS485 Northbound
communication
s port
● Connects to a third-party
network management device
over two wires.
● Supported protocol: Modbus-
RTU
2 PARALLEL1 Parallel port Inter-cabinet parallel signal port 1
3 PARALLEL2 Parallel port Inter-cabinet parallel signal port 2
4 FE Network port ● Connects to the WebUI over
HTTPS, ECC800-Pro or NetEco
over Modbus-TCP or BIN, or a
third-party NMS over Modbus-
TCP.
● Supported protocols: Modbus-
TCP, HTTPS, and BIN
5 COM Northbound
communication
s port
● Connects to a UPS.
● Supported protocol: Modbus-
RTU
6 MDU DB26 Connects to the MUS05A (DB26)
port on the MDU for power
supply and communication.
7 DO_1 Output dry
contact
Function setting of output dry
contact 1 for the lithium battery
cabinet. The maximum voltage
and current are 30 V DC/1 A or
60 V DC/0.5 A.
8 DO_2 Output dry
contact
Function setting of output dry
contact 2 for the lithium battery
cabinet. The maximum voltage
and current are 30 V DC/1 A or
60 V DC/0.5 A.
SmartLi 3.0
User Manual (Short-Term Backup Power) 2 Product Overview
Issue 10 (2024-01-31) Copyright © Huawei Digital Power Technologies Co., Ltd. 29