3
Safety with Electricity
¡Advertencia! Este símbolo de aviso significa peligro. Existe riesgo para su integridad física.
Antes de manipular cualquier equipo, considerar los riesgos que entraña la corriente eléctrica y
familiarizarse con los procedimientos estándar de prevención de accidentes.
Varning! Denna varningssymbol signalerar fara. Du befinner dig i en situation som kan leda till
personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med
elkretsar och känna till vanligt förfarande för att förebygga skador.
To see translated versions of the remaining warnings in this document, refer to the Regulatory
Compliance and Safety Information document that accompanied the router.
The following warning applies to routers with a DC power supply:
Safety with Electricity
Warning Only trained and qualified personnel should be allowed to install or replace this
equipment.
Warning Before working on a chassis or working near power supplies, unplug the power
cord on AC units; disconnect the power at the circuit breaker on DC units.
Warning Before working on a system that has an on/off switch, turn OFF the power and
unplug the power cord.
Warning Before performing any of the following procedures, ensure that power is
removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker
on the panel board that services the DC circuit, switch the circuit breaker to the OFF
position, and tape the switch handle of the circuit breaker in the OFF position.
Warning Ultimate disposal of this product should be handled according to all national
laws and regulations.
Caution To avoid damaging electrostatic discharge (ESD)-sensitive components, ensure
that you have discharged all static electricity from your body before opening the chassis.
Before performing procedures described in this document, review the next section,
“Safety Recommendations.”
Warning The Ethernet 10BaseT, Token Ring, serial, console, and auxiliary ports contain
safety extra-low voltage (SELV) circuits. BRI circuits are treated like telephone-network
voltage (TNV) circuits. Avoid connecting SELV circuits to TNV circuits.
Warning Before working on equipment that is connected to power lines, remove jewelry
(including rings, necklaces, and watches). Metal objects will heat up when connected to
power and ground and can cause serious burns or weld the metal object to the terminals.
