•
Never install electrical jacks in wet locations unless the jacks are specifically designed
for wet environments.
•
Operate the device only when it is properly grounded.
•
Ensure that the separate protective earthing terminal provided on this device is
permanently connected to earth.
•
Replace fuses only with fuses of the same type and rating.
•
Do not open or remove chassis covers or sheet-metal parts unless instructions are
provided in the hardware documentation for this device. Such an action could cause
severe electrical shock.
•
Do not push or force any objects through any opening in the chassis frame. Such an
action could result in electrical shock or fire.
•
Avoid spilling liquid onto the chassis or onto any device component. Such an action
could cause electrical shock or damage the device.
•
Avoid touching uninsulated electrical wires or terminals that have not been
disconnected from their power source. Such an action could cause electrical shock.
•
Always ensure that all modules, power supplies, and cover panels are fully inserted
and that the installation screws are fully tightened.
Related
Documentation
AC Power Electrical Safety Guidelines on page 160•
• DC Power Electrical Safety Guidelines on page 162
• General Electrical Safety Guidelines and Warnings on page 157
• Maintenance and Operational Safety Guidelines and Warnings on page 151
• Laser and LED Safety Guidelines and Warnings for EX Series Switches on page 139
• Installation Instructions Warning on page 143
• Grounded Equipment Warning on page 150
• Laser and LED Safety Guidelines and Warnings for the QFX Series
Definitions of Safety Warning Levels
This topic applies to hardware devices in the EX Series product family, which includes
switches and the XRE200 External Routing Engine.
This topic also applies to hardware devices in the QFX Series.
The documentation uses the following levels of safety warnings (there are two “Warning”
formats):
NOTE: You might find this information helpful in a particular situation, or you
might overlook this important information if it was not highlighted in a Note.
Copyright © 2011, Juniper Networks, Inc.134
Complete Hardware Guide for EX3300 Ethernet Switches
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