12 Service Supplement RX300 S3
Safety notes
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V CAUTION!
● Ensure that the power socket on the device or the grounded wall 
outlet is freely accessible.
● The ON/OFF button does not disconnect the device from the mains 
voltage. To disconnect the line voltage completely, remove all power 
plugs from the grounded insulated sockets.
● Always connect the device and the attached peripherals to the same 
power circuit. Otherwise you run the risk of losing data if, for example, 
the central processing unit is still running but the peripheral device 
(e.g. storage subsystem) has failed during a power outage.
● Data cables to peripheral devices must be adequately shielded.
● To the LAN wiring the requirements apply in accordance with the 
standards EN 50173 and EN 50174-1/2. As minimum requirement 
the use of a protected LAN line of category 5 for 10/100 MBps 
Ethernet, and/or of category 5e for Gigabit Ethernet is considered. 
The requirements of the specification ISO/IEC 11801 are to be 
considered.
● Route the cables in such a way that they do not form a potential 
hazard (make sure no-one can trip over them) and that they cannot 
be damaged. When connecting up a device, refer to the relevant 
notes in this manual.
● Never connect or disconnect data transmission lines during a storm 
(lightning hazard).
● In emergencies (e.g. damaged casing, controls or cables, penetration 
of liquids or foreign matter), switch off the device immediately, remove 
the power plug and contact your sales outlet or customer service 
team.
● Proper operation of the device (in accordance with IEC 60950/
EN 60950) is only ensured if the casing is completely assembled and 
the rear covers for the installation openings have been put in place 
(electric shock, cooling, fire protection, interference suppression).
● Only install system expansions that satisfy the requirements and 
rules governing safety and electromagnetic compatibility and relating 
to telecommunications terminal equipment. If you install other expan-
sions, you may damage the system or violate the safety regulations