
SMA Technologie AG The Communication Interface
Installation Guide SB25_30-11:SE0307 Page 61
11.1.1 Jumper Functions
A detailed description of the jumper functions can be found in the communication
device manual.
A Housing feed-through in the base of the Sunny Boy
B Cable route (gray surface)
C PE connector
D Screw terminals for connection of the communication wires
EJumper slots
FInterface port
Jumper A Jumper B Jumper C
RS232 - - -
RS485 termination bias 1 bias 2
NLM - - -
Radio - - -
PE
ABC
D
E
F
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