Attention!
a) Installation in rack
When installing the 
in a rack or another assembly you should make sure that the housing rests on a guide rail or cross brace etc. so that they can bear the weight of the device. The device must rest on a support and not just fixed onto the front plate.
b) Connecting cables
The following should be considered to comply with declaration on conformity as described in the chapters Miscellaneous/Declaration of Conformity Class A and Miscellaneous/Declaration of Conformity Class B:
Connecting cables for monitor, keyboard and USB must not be connected to the device while it is in use for normal function. This is to avoid distortion at other devices nearby.
Connecting cables for audio, RS232, network and ISDN must have an HF-shield and have to be connected to an appropriate device to avoid distortion at other devices nearby.