Juniper SRX 5600 Hardware Manual page 199

Services gateway
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For personal safety, connect the green and yellow wire to safety (earth) ground
at both the services gateway and the supply side of the DC wiring.
The marked input voltage of –48 VDC for a DC-powered services gateway is the
nominal voltage associated with the battery circuit, and any higher voltages are
only to be associated with float voltages for the charging function.
Because the services gateway is a positive ground system, you must connect the
positive lead to the terminal labeled
labeled
48V
, and the earth ground to the chassis grounding points.
Copper Conductors Warning
WARNING: Use copper conductors only.
Waarschuwing Gebruik alleen koperen geleiders.
Varoitus Käytä vain kuparijohtimia.
Attention Utilisez uniquement des conducteurs en cuivre.
Warnung Verwenden Sie ausschließlich Kupferleiter.
Avvertenza Usate unicamente dei conduttori di rame.
Advarsel Bruk bare kobberledninger.
Aviso Utilize apenas fios condutores de cobre.
¡Atención! Emplee sólo conductores de cobre.
Varning! Använd endast ledare av koppar.
DC Power Disconnection Warning
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
position, and tape the switch handle of the circuit breaker in the
OFF
Waarschuwing Voordat u een van de onderstaande procedures uitvoert, dient u te
controleren of de stroom naar het gelijkstroom circuit uitgeschakeld is. Om u ervan
te verzekeren dat alle stroom UIT is geschakeld, kiest u op het schakelbord de
stroomverbreker die het gelijkstroom circuit bedient, draait de stroomverbreker naar
de UIT positie en plakt de schakelaarhendel van de stroomverbreker met plakband
in de UIT positie vast.
Varoitus Varmista, että tasavirtapiirissä ei ole virtaa ennen seuraavien toimenpiteiden
suorittamista. Varmistaaksesi, että virta on KATKAISTU täysin, paikanna tasavirrasta
Appendix A: Safety and Regulatory Compliance Information
, the negative lead to the terminal
RETURN
Safety Guidelines and Warnings
position.
OFF
173

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