SMA String-Monitors Ethernet overvoltage protection set - Manual (Page 24)

4.2 Mounting Position and Cable Route
Figure 6 : Mounting position and cable route of the surge arrester in the SMA String-Monitor SSM-U-XX10
(example)
Position Designation
A Cable route for the cables between the electronic assembly and the surge arresters
B Mounting position of the surge arrester for the communication output
C Mounting position of the surge arrester for the communication input
4 Installation SMA Solar Technology AG
Installation Manual SSMAbleitKomm-IA-xx-10 24
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