HomeMatic HMW-Sys-Tm Installations- Und Bedienungsanleitung Seite 16

Do not open the device. It does not contain any
parts to be maintained by the user.
Observe the installation instructions for installa-
tions in distribution systems.
Make sure that the specified wiring and wire
cross-sections are used when connecting to
device terminals.
The device may only be operated within resi-
dential buildings.
3 Function
When operating Homematic components that must
be wired, a termination resistor is required to keep the
bus at the proper level and therefore guarantee secure
communication.
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