Huawei SmartLi 3.0 - Page 43

Figure 2-8 Appearance
(1) DIP switch (2) RS485 communications ports
Figure 2-9 RS485 port pins
Table 2-9 RS485 port denition
Pin
Signal Description
1 RS485+
2 RS485–
3 V+: power supply, positive
4 RS485+
5 RS485–
6 -
7 -
8 V–: power supply, negative
SmartLi 3.0
User Manual (Short-Term Backup Power) 2 Product Overview
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