Juniper MX480 - Electrical Safety Guidelines and Warnings; General Electrical Safety Guidelines and Warnings

CHAPTER 38
Electrical Safety Guidelines and Warnings
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General Electrical Safety Guidelines and Warnings on page 505
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Prevention of Electrostatic Discharge Damage on page 506
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AC Power Electrical Safety Guidelines on page 508
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AC Power Disconnection Warning on page 509
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DC Power Copper Conductors Warning on page 509
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DC Power Disconnection Warning on page 510
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DC Power Grounding Requirements and Warning on page 512
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DC Power Wiring Sequence Warning on page 513
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DC Power Wiring Terminations Warning on page 514
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Midplane Energy Hazard Warning on page 516
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Multiple Power Supplies Disconnection Warning on page 516
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Action to Take After an Electrical Accident on page 517
General Electrical Safety Guidelines and Warnings
WARNING: Certain ports on the device are designed for use as intrabuilding
(within-the-building) interfaces only (Type 2 or Type 4 ports as described in
GR-1089-CORE) and require isolation from the exposed outside plant (OSP)
cabling. To comply with NEBS requirements and protect against lightning
surges and commercial power disturbances, the intrabuilding ports must not
be metallically connected to interfaces that connect to the OSP or its wiring.
The intrabuilding ports on the device are suitable for connection to
intrabuilding or unexposed wiring or cabling only. The addition of primary
protectors is not sufficient protection for connecting these interfaces
metallically to OSP wiring.
CAUTION: Before removing or installing components of a device, attach an
electrostatic discharge (ESD) grounding strap to an ESD point and place the
other end of the straparound your bare wrist. Failure to use an ESD grounding
strap could result in damage to the device.
505Copyright © 2017, Juniper Networks, Inc.