Siemens SIMATIC NET PROFIBUS Owner's Manual page 466

Notes on the CE Label
According to the directive on machines, we are obliged to point out that this
product is intended solely for installation in a machine. Before the final product can
be put into operation, it must be tested for compliance with the directive
89/392/EEC.
Notes for Australia
SIMATIC NET OBT meets the requirements of AS/NZS 2064 (Class A) standard.
8-2
PROFIBUS Optical Bus Terminal (OBT)
C79000-G8976-C122-02