Huawei SUN2000-15KTL-50KTL-M3 Series - Optional) Connecting the RS485 Communications Cable to the SUN2000

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.