Delta SOLiViA 3.3 Manuel D'utilisation Et D'installation page 17

When several devices are connected in series and the total length of the data line measures 2 m or
more, the following option is available for terminating the RS485 (EIA485) interface:
DC
String A
String B
DC
DC
String C
Operation and installation manual SOLIVIA 3.3 EU G3
Anti-
Power
islanding
controller
protection
Operating- and system control
MPP-
Isolation
-
-
Tracker
-
-
Booster
Solar inverter
+5V
Reserved
0R
TX_A
RX_B
0R
Reserved
GND
Communi-
cation
-
~
Pin 7
100 ... 150
Ohm, 0,25W
Pin 6
Public
grid
AC
15