Avvertenza
Questa unità ha più di una connessione per alimentatore elettrico;
tutte le connessioni devono essere completamente rimosse per togliere
l'elettricità dall'unità.
Advarsel
Denne enheten har mer enn én strømtilkobling. Alle tilkoblinger må
kobles helt fra for å eliminere strøm fra enheten.
Aviso
Este dispositivo possui mais do que uma conexão de fonte de
alimentação de energia; para poder remover a fonte de alimentação de
energia, deverão ser desconectadas todas as conexões existentes.
¡Atención!
Esta unidad tiene más de una conexión de suministros de
alimentación; para eliminar la alimentación por completo, deben
desconectarse completamente todas las conexiones.
Varning!
Denna enhet har mer än en strömförsörjningsanslutning; alla
anslutningar måste vara helt avlägsnade innan strömtillförseln till enheten
är fullständigt bruten.
Site Electrical Wiring Guidelines for Juniper Networks Devices
•
Distance Limitations for Signaling on page 187
•
Radio Frequency Interference on page 187
•
Electromagnetic Compatibility on page 187
Distance Limitations for Signaling
Improperly installed wires can emit radio interference. In addition, the potential for damage
from lightning strikes increases if wires exceed recommended distances or if wires pass
between buildings. The electromagnetic pulse (EMP) caused by lightning can damage
unshielded conductors and destroy electronic devices. If your site has previously
experienced such problems, you might want to consult experts in electrical surge
suppression and shielding.
Radio Frequency Interference
You can reduce or eliminate the emission of radio frequency interference (RFI) from your
site wiring by using twisted-pair cable with a good distribution of grounding conductors.
If you must exceed the recommended distances, use a high-quality twisted-pair cable
with one ground conductor for each data signal when applicable.
Electromagnetic Compatibility
If your site is susceptible to problems with electromagnetic compatibility (EMC),
particularly from lightning or radio transmitters, you might want to seek expert advice.
Strong sources of electromagnetic interference (EMI) can destroy the signal drivers and
receivers in the network device and conduct power surges over the lines into the
equipment, resulting in an electrical hazard. It is particularly important to provide a properly
grounded and shielded environment and to use electrical surge-suppression devices.
187
Copyright © 2019, Juniper Networks, Inc.
Chapter 31: Electrical Safety Guidelines and Warnings
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