6
Installation RSP 20/25/30/35
Release
 
15
 
12/2017
 Device casing
Only technicians authorized by the manufacturer are permitted to open 
the housing.
 Never insert pointed objects (narrow screwdrivers, wires, etc.) into the 
device or into the connection terminals for electric conductors. Do not 
touch the connection terminals.
 Keep the ventilation slits free to ensure good air circulation.
 Mount the device in the vertical position.
 At ambient temperatures > 140 °F (60 °C):
The surfaces of the device housing may become hot. Avoid touching 
the device while it is operating.
 Qualification requirements for personnel
 Only allow qualified personnel to work on the device.
Qualified personnel have the following characteristics:
 Qualified personnel are properly trained. Training as well as practical 
knowledge and experience make up their qualifications. This is the 
prerequisite for grounding and labeling circuits, devices, and systems 
in accordance with current standards in safety technology.
 Qualified personnel are aware of the dangers that exist in their work.
 Qualified personnel are familiar with appropriate measures against 
these hazards in order to reduce the risk for themselves and others.
 Qualified personnel receive training on a regular basis.
 National and international safety regulations
Verify that the electrical installation meets local or nationally applicable 
safety regulations.
 Grounding the device
Grounding the device is by means of a separate ground connection on the 
device.
 Ground the device before connecting any other cables.
 Disconnect the grounding only after disconnecting all other cables.
 Ground the device via the ground screw.
 Shielding ground
The overall shield of a connected shielded twisted pair cable is connected 
to the ground connector on the front panel as a conductor.
 Beware of possible short circuits when connecting a cable section with 
conductive shielding braiding.
 Requirements for connecting electrical wires
 Before connecting the electrical wires, always verify that the 
requirements listed are complied with.