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AttentionLorsdel'installationdel'appareil,lamiseàlaterredoittoujoursêtreconnectée
en premier et déconnectée en dernier.
WarnungDerErdanschlußmußbei der Installationder Einheitimmer zuersthergestellt
und zuletzt abgetrennt werden.
AvvertenzaInfasediinstallazionedell'unità,eseguiresempreperprimoilcollegamento
a massa e disconnetterlo per ultimo.
Advarsel Når enheten installeres, må jordledningen alltid tilkobles først og frakobles
sist.
Aviso Ao instalar a unidade, a ligaçãoà terra deverá ser sempre a primeira a ser ligada,
e a última a ser desligada.
¡Atención! Al instalar el equipo, conectar la tierra la primera y desconectarla la última.
Varning!Vid installation av enheten måste jordledningen alltid anslutas först och
kopplas bort sist.
Related Topics General Safety Guidelines and Warnings for EX Series Switches on page 263•
• GeneralElectrical Safety Guidelines and Warnings for EX Series Switcheson page 291
• DC Power Electrical Safety Guidelines for EX Series Switches on page 296
• DC Power Disconnection Warning for EX Series Switches on page 297
• DC Power Wiring Sequence Warning for EX Series Switches on page 299
• DC Power Wiring TerminationsWarning for EX Series Switches on page 301
DC Power Wiring Sequence Warning for EX Series Switches
WARNING: Wire the DC power supply using the appropriate lugs. When connecting
power, the proper wiring sequence is ground to ground, +RTN to +RTN, then –48 V to
–48V.Whendisconnectingpower,theproperwiring sequence is–48 Vto–48 V,+RTN
to +RTN, then ground to ground. Note that the ground wire must always be connected
first and disconnected last.
WaarschuwingDejuistebedradingsvolgordeverbondenisaardenaaraarde,+RTNnaar
+RTN, en –48 V naar – 48 V.De juiste bedradingsvolgorde losgemaakt is en –48 naar
–48 V,+RTN naar +RTN, aarde naar aarde.
Varoitus Oikea yhdistettavakytkentajarjestys on maajohto maajohtoon, +RTN varten
+RTN,–48 V varten – 48 V.Oikea irrotettava kytkentajarjestyson –48 V varten– 48 V,
+RTN varten +RTN,maajohto maajohtoon.
Attention Câblezl'approvisionnement d'alimentationCC En utilisant les crochets
appropriésàl'extrémitédecâblage.Enreliantlapuissance,l'ordreappropriédecâblage
299Copyright©2010,Juniper Networks, Inc.
Chapter20: Power andElectrical SafetyInformation