SMA SC 500HE-US Installation - Manual (Page 40)

7 Connecting Optional Communication Devices SMA America, LLC
40 SC500HEUS-IA-US_en-14 Installation Manual
7.1 Position of the Communication Devices
The Sunny WebBox is located on the inside of the Power Cabinet's door.
Position Description
A Sunny WebBox (see section 7.3)
B Sunny Central String Monitor Controller
C Sunny Sensor 485Hub (see section 7.2)
D 485Hub-SC