CIRCUTOR ReadWatt Series - Manual (Page 10)

3.3.- UNIT TERMINALS
The unit has a RJ45 connector with the following list of terminals ( Table 2 ):
Table 2:List of ReadWatt terminals�
Unit terminals
1: GND 5: B(-), RS-485
2: Rx, RS-232 6: GND
3: Tx, RS-232 7: Pulse output
4: A(+), RS-485 8: Vdc, Auxiliary power supply.
Figure 5: ReadWatt RJ45 Connector�
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ReadWatt
Instruction Manual