Juniper M40E Hardware Manual page 286

M40e Multiservice Edge Router Hardware Guide
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For personal safety, connect the green and yellow wire to safety (earth) ground at both
the router and the supply side of the DC wiring.
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(+)
earth ground to the chassis grounding points.
Copper Conductors Warning for M Series, MX Series, and T Series Routers on page 258
DC Power Disconnection Warning for M Series, MX Series, and T Series Routers on
page 259
DC Power Grounding Requirements and Warning for M Series, MX Series, and T Series
Routers on page 260
DC Power Wiring Sequence Warning for M Series, MX Series, and T Series Routers on
page 261
DC Power Wiring Terminations Warning for M Series, MX Series, and T Series Routers
on page 263
Copper Conductors Warning for M Series, MX Series, and T Series Routers
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.
M40e DC Power Electrical Safety Guidelines on page 257
DC Power Disconnection Warning for M Series, MX Series, and T Series Routers on
page 259
DC Power Grounding Requirements and Warning for M Series, MX Series, and T Series
Routers on page 260
, the negative lead to the terminal labeled
Copyright © 2010, Juniper Networks, Inc.
–48V , and the