2
General
1.5 General safety instructions
For the safety of you and others, please observe the following safety instructions:
Danger to life due to electric shock
People can be seriously hurt or killed through physical contact with live
parts (e.g. 230 V~). Make sure that you cannot touch live lines during
installation. Disconnect devices from the mains power supply.
Please observe the accident prevention regulations and take all precautionary
measures to ensure the safe installation of the devices.
Danger to life through explosion
Do not use this device in environments exposed to explosion hazards!
1.6 All specifications are subject to change without notice
All information contained in this documentation is accurate at the time of printing. All specifications are
subject to change without notice. The product brand names and trademarks specified in this
documentation are protected by commercial and patent laws.
1.7 List of abbreviations
Designation
Description
ESD
Electrostatic discharge
GND
Ground
IEEE
Institute of Electrical and Electronics Engineers
PoE
Power over Ethernet
RFID
Radio frequency identification
Switch
Network distributor
SSH
Secure Shell (encrypted network connection)
TELNET
Teletype network (network protocol)
TN-S
Separate neutral and protective earth conductors
