eQ-3 HomeMatic HMW-IO-12-Sw14-DR Montage- Und Bedienungsanleitung Seite 34

Installation
Make sure that the connections are made with
correct polarity on the terminals.
• Then connect the module to terminals 1.3 (A) and
1.7 (B) using the RS485
Whenever multiple devices have been connected to
the RS485 bus, you will need to install a bus termi-
nator.
Connection and installation example:
34
bus.