Huawei SUN2000-30KTL-US User Manual page 80

SUN2000-(25KTL, 30KTL)-US
User Manual
Pin
4
5
6
7
8
Procedure

Issue 09 (2019-06-30)
Method 1: Connecting to a terminal block (recommended)
a. Prepare the cable.
Figure 5-26 Stripping an RS485 communications cable
b. Route the cable through the COM1 and COM2 holes at the bottom. Connect the
input end to ports 5 and 7 on the terminal block, the output end to ports 6 and 8 on
the terminal block, and the shield layer to the ground point.
Figure 5-27 Connecting RS485 communications cables (through a pipe)
Copyright © Huawei Technologies Co., Ltd.
Function
RS485A, RS485 differential signal+
RS485B, RS485 differential signal–
NC
NC
NC
5 Electrical Connections
73