User Manual

The J1 service adapter has a button. The key is used to load an operating system
(OS = Operating System) to the room controller HRC3.2.
J1 service adapter for
HRC3.2
Proceed as follows to load an operating system (turn on the PC and turn off the
room controller):
− Press the button
− Turn on the room controller while pressing the button
− The service LED on the HRC3.2 is lit continuously in orange
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Siemens Adapter and cable set CM2N6355en
Building Technologies 31.07.2008