SMA SIC 50 - Manual (Page 25)

SMA Solar Technology AG Electrical Connection
Installation Guide SIC50-IA-en-11 25
6.6 Communication
6.6.1 Interface
6.6.2 Connection to PC Serial Interface
Connecting a PC to the charge controller is possible in both operating modes (SMA operation and
stand-alone operation). Measured values can only be read.
The connection is established via the RJ45 socket of the first charge controller (device address 0) to
the PC's serial interface. Use a RJ45 to RS232 adapter cable for this.
Object Description
A MSTE bus output
B MSTE bus input
C RJ45 socket for connecting a serial interface
D Socket for SIC-PB communication interface
E Socket for communication interface connection