Dc Power Electrical Safety Warnings For M Series, Mx Series, And T Series Routers; Dc Power Copper Conductors Warning; Dc Power Disconnection Warning - Juniper T640 Hardware Manual

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DC Power Electrical Safety Warnings for M Series, MX Series, and T Series Routers

330
The marked input voltage of –48 VDC for a DC-powered router 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 router is a positive ground system, you must connect the positive lead to
the terminal labeled
RTN
ground to the chassis grounding points.
Site Electrical Wiring Guidelines for M Series and T Series Routers on page 346
General Electrical Safety Guidelines and Electrical Codes for M Series, MX Series, and
T Series Routers on page 324
T640 DC Power System Electrical Specifications on page 347
When working with DC-powered equipment, observe the following warnings:
DC Power Copper Conductors Warning on page 330
DC Power Disconnection Warning on page 330
DC Power Wiring Terminations Warning on page 332

DC Power 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 procedures on power supplies, 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
, the negative lead to the terminal labeled , and the earth
–48V
Copyright © 2010, Juniper Networks, Inc.