SUN2000-(12KTL, 15KTL, 17KTL, 20KTL)-M0 
User Manual 
 
Copyright © Huawei Technologies Co., Ltd. 
 
Figure 5-20 Installing the cable 
 
 
Step 2  Connect the signal cable connector to the COM port. 
Figure 5-21 Securing the signal cable connector 
 
 
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5.6.2 Connecting the RS485 Communications Cable (Smart Power 
Sensor) 
Cable Connection 
The following figure shows the cable connections between the inverter and the Smart Power 
Sensor.