Electrical Safety Guidelines And Warnings; General Electrical Safety Guidelines And Warnings - Juniper MX2020 Hardware Manual

CHAPTER 39

Electrical Safety Guidelines and Warnings

IN THIS CHAPTER

General Electrical Safety Guidelines and Warnings | 769

Prevention of Electrostatic Discharge Damage | 770
AC Power Electrical Safety Guidelines | 772
AC Power Disconnection Warning | 773
DC Power Copper Conductors Warning | 774
DC Power Disconnection Warning | 775
DC Power Grounding Requirements and Warning | 777
DC Power Wiring Sequence Warning | 779
DC Power Wiring Terminations Warning | 782
Midplane Energy Hazard Warning | 784
Multiple Power Supplies Disconnection Warning | 785
Action to Take After an Electrical Accident | 785
General Electrical Safety Guidelines and Warnings
WARNING:
(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.
Certain ports on the device are designed for use as intrabuilding
769