Huawei SmartLogger1000 User Manual page 50

SmartLogger1000
User Manual
Figure 4-16 COM ports on the SmartLogger
Table 4-6
Table 4-6 COM port description
Port
COM1 port
COM2 port
COM3 port
SUN2000L-4.125KTL-JP/4.95KTL-JP connects to the SmartLogger through the bottom
COM port.
Issue 12 (2019-01-15)
describes the COM ports.
Identifier
NC
NC
-
+
-
+
-
+
Copyright © Huawei Technologies Co., Ltd.
4 Electrical Connections
Function
Reserved
Reserved
RS485B, for RS485 negative
differential signaling
RS485A, for RS485 positive
differential signaling
RS485B, for RS485 negative
differential signaling
RS485A, for RS485 positive
differential signaling
RS485B, for RS485 negative
differential signaling
RS485A, for RS485 positive
differential signaling
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