Huawei SmartLogger2000 User Manual page 57

SmartLogger2000
User Manual
Figure 4-6 COM ports of the SmartLogger
Table 4-1 COM port description
Port
COM1
COM2
COM3
COM4
COM5
COM6
The RS485 terminal block or RJ45 port on the SUN2000 is used for RS485 communication.
There are two types of RS485 terminal blocks (1 and 2) located in different models of
SUN2000s. All the SUN2000s have RJ45 ports.

Issue 04 (2018-04-10)
Identifier
+
-
+
-
+
-
+
-
+
-
+
-
Terminal block connection
− Terminal block 1
Figure 4-7 shows the position of the terminal block in the
SUN2000-50KTL/50KTL-C1.
block.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Function
RS485A, RS485 differential signal+
RS485B, RS485 differential signal–
RS485A, RS485 differential signal+
RS485B, RS485 differential signal–
RS485A, RS485 differential signal+
RS485B, RS485 differential signal–
RS485A, RS485 differential signal+
RS485B, RS485 differential signal–
RS485A, RS485 differential signal+
RS485B, RS485 differential signal–
RS485A, RS485 differential signal+
RS485B, RS485 differential signal–
Table 4-2 describes the functions of the terminal
4 Electrical Connection
47