
SmartLogger2000
User Manual
4 Electrical Connection
Issue 04 (2018-04-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
48
Figure 4-7
Position of the terminal block in the SUN2000
Table 4-2
Functions of the RS485 terminal block
No.
Port Definition
Function
1
RS485A IN
RS485A, RS485 differential
2
RS485A OUT
RS485A, RS485 differential
3
RS485B IN
RS485B, RS485 differential signal–
4
RS485B OUT
RS485B, RS485 differential signal–
−
Terminal block 2
shows the position of the terminal block in the SUN2000-33KTL/40KTL.