
removed to prevent electric shock. To disconnect power, unplug all power cords (one
for each power supply).
Power Cable Warning (Japanese)
WARNING:
The attached power cable is only for this product. Do not use the cable for another product.
DC Power Electrical Safety Guidelines
•
A DC-powered device is equipped with a DC terminal block that is rated for the power
requirements of a maximally configured device.
NOTE:
To supply sufficient power, terminate the DC input wiring on a facility
DC source that is capable of supplying:
•
Minimum of 60 A at –38 VDC
Incorporate an easily accessible disconnect device into the facility wiring. Be sure to
connect the ground wire or conduit to a solid office earth ground. A closed loop ring is
recommended for terminating the ground conductor at the ground stud.
•
Run two wires from the circuit breaker box to a source of 38 VDC.
•
A DC-powered device that is equipped with a DC terminal block is intended only for
installation in a restricted access location. In the United States, a restricted access
area is one in accordance with Articles 110-16, 110-17, and 110-18 of the National Electrical
Code ANSI/NFPA 70.
NOTE:
Primary overcurrent protection is provided by the building circuit
breaker. This breaker must protect against excess currents, short circuits,
and earth grounding faults in accordance with NEC ANSI/NFPA 70.
•
Ensure that the polarity of the DC input wiring is correct. Under certain conditions,
connections with reversed polarity might trip the primary circuit breaker or damage
the equipment.
•
For personal safety, connect the green and yellow wire to safety (earth) ground at both
the device and the supply side of the DC wiring.
81
Copyright © 2019, Juniper Networks, Inc.
Chapter 6: Safety and Compliance Information
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