
The cables and interface transformers that
should be used are shown in the following
diagrams.
(1) Local link with a maximum distance of 25 m between the Solar Inverter and the PC
INVERTER (1)  | PC  | ||
  | 
  | ||
USB | USB  | 
  | |
  | 
  | 
  | 
(Sunways cable type 1, null modem cable female / female (alternative: Sunways cable type 5, 
(2) Local link with an interface transformer between the Solar Inverter and the PC
INVERTER (1) | RS485  | Connection bar  | ||
  | 
  | IC  | PC  | |
  | (twisted   | (Sunways cable type 2, modem cable female / male)  | ||
  | 
  | |||
RS485GND
RS485 +
RS 485 –
RS485GND
RS485 +
RS 485 –
Data +
Data –
IT