Port Definitions - Huawei SmartLogger2000 series Quick Manual

5.1

Port Definitions

NOTICE
For the definitions of the communications ports on the devices such as the EMI, power meter, and
box-type transformer, see the documents delivered with the devices. When connecting cables,
ensure that RS485+ connects to the COM+ port on the SmartLogger and that RS485– connects to
the COM– port on the SmartLogger.
For ease of operation, this document describes only the ports that need to be wired.
COM Port (SmartLogger)
No.
1 COM1
2 COM2
3 COM3
4 COM4
5 COM5
6 COM6
NOTE

Terminal block of types 1 and 2 are located in different models of SUN2000s.
 The RJ45 network port is located in all models of SUN2000s.
Terminal Block Type 1 (SUN2000)
Port Symbol
+
–
+
–
+
–
+
–
+
–
+
–
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–
No. Port Definition
1 RS485A IN
2 RS485A OUT
3 RS485B IN
4 RS485B OUT
17
Function
Function
RS485A, RS485
differential signal+
RS485A, RS485
differential signal+
RS485B, RS485
differential signal–
RS485B, RS485
differential signal–