Huawei SUN2000-2KTL-L0 - Page 58

SUN2000-(2KTL-5KTL)-L0
User Manual
5 Electrical Connections
Issue 02 (2019-07-04)
Copyright © Huawei Technologies Co., Ltd.
52
Figure 5-16 Removing a DC connector
5.5 Installing the Signal Cable
Context

When laying out signal cables, separate them from power cables to avoid strong signal
interference sources.

The shield layer of the device signal cable connected to the COM port is also advised to be
grounded.
Figure 5-17 COM port
Table 5-3 COM port pin definitions
No.
Label
Definition
Description
1
485B1
RS485B, RS485 differential
signal–
Connects to the RS485 signal
port on the power collector.
2
485A1
RS485A, RS485 differential
signal+