Replacing SUN2000-(15KTL-50KTL) Series with
SUN2000-(15KTL-50KTL)-M3 Series
User Manual
6 Electrical Connections
Issue 01 (2021-04-05)
Copyright © Huawei Technologies Co., Ltd.
59
MBUS Communication
The MBUS is a communication mode in which communication signals are loaded to power
cables through the communications board for transmission.
The built-in MBUS module in the SUN2000 does not need to be connected to cables.
The spare parts of SUN2000 V100R001 do not support MBUS communication.
6.2.4.2 (Optional) Connecting the RS485 Communications Cable to the
SUN2000
Procedure
Step 1
If the original signal cable is connected through RJ45 network ports, cut off the RJ45
connectors.
Figure 6-16
Cut off the RJ45 connectors
Step 2
Connect the signal cable to the signal cable connector.