2 connecting the communication cable, Connecting the communication cable, Connection procedure – SMA AUTOMATIC SWITCH BOX M User Manual

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SMA Solar Technology AG

Electrical Connection

Installation Guide

AS-BoxM-IEN091711

5.9.2 Connecting the Communication Cable

The Automatic Switch Box is controlled by the Sunny Backup via a CAN bus.

Connection Procedure

Plug the communication cable (black) into the "ComSyncIn" socket on the circuit board inside the
Automatic Switch Box. Leave the termination resistor plugged in the "ComSyncOut" socket.

☑ The communication cable is now connected.