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SMA Solar Technology AG
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).
F
D
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
5.5.2 Jumper Functions
RS485
Radio Piggy-Back
A detailed description of the jumper functiosn can be found in the communication device
documentation.
Installation Guide
E
Jumper A
Termination
-
B
Jumper B
Bias 1
-
SB3300TLHC-IEN094121
Electrical Connection
A
C
Jumper C
Bias 2
-
25
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