SUN2000L-(4.125KTL, 4.95KTL)-JP
User Manual
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5.5 Installing the Signal Cable
Context
When laying out communications cables, separate them from power cables to avoid strong
signal interference sources.
Figure 5-17 COM port
Table 5-3 COM port pin definitions
RS485B, RS485 differential
signal–
RS485A, RS485 differential
signal+
RS485B, RS485 differential
signal–
RS485A, RS485 differential
signal+
Connects to the shield layer of
the cable.