SMA SB 3300TL HC - Manual (Page 25)

SMA Solar Technology AG Electrical Connection
Installation Guide SB3300TLHC-IEN094121 25
10. Plug the communication interface to the left of the board (F).
11. Close the Sunny Boy as described in section 7.2 ”Closing the Sunny Boy” (page 30).
5.5.2 Jumper Functions
A detailed description of the jumper functiosn can be found in the communication device
documentation.
A Enclosure openings in the base of the Sunny Boy.
B Cable route (gray surface)
C PE connector
D Screw terminals for connection of the communication wires
E Jumper slots
F Interface port
Jumper A Jumper B Jumper C
RS485 Termination Bias 1 Bias 2
Radio Piggy-Back - - -
F
D
E
C A B