SMA SSM16-11 - Manual (Page 44)

7 Commissioning SMA Solar Technology AG
44 SSM16-24-IA-IEN105120 Installation Guide
The Sunny String-Monitors are not terminated on delivery so that they can be configured as required
on site. The hubs in the Sunny Central are terminated on delivery.
Figure 17: Termination of the data cable (example)
Requirement:
☐ All Sunny String-Monitors on a string are connected to the RS485 bus (see section
6.5.3 ”Connecting the Data Cable in the Sunny String-Monitor”, page 37 and section
6.5.4 ”Connecting the Data Cable in the Sunny Central”, page 38).
1. Plug the jumper on the upper String Monitor Unit into
the last Sunny String-Monitor of each string.