Juniper EX3200 Series, Руководство по оборудованию

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•
Follow the prescribed electrostatic discharge (ESD) prevention procedures to prevent
damaging the equipment. Static discharge can cause components to fail completely
or intermittently over time.
•
Install the device in a secure area, so that only authorized personnel can access the
device.
Related
Documentation
Prevention of Electrostatic Discharge Damage on page 269
•
Site Electrical Wiring Guidelines
Table 33 on page 63 describes the factors you must consider while planning the electrical
wiring at your site.
WARNING: It is particularly important to provide a properly grounded and
shielded environment and to use electrical surge-suppression devices.
Table 33: Site Electrical Wiring Guidelines
Guidelines Site Wiring Factor
If your site experiences any of the following problems, consult
experts in electrical surge suppression and shielding:
• Improperly installed wires cause radio frequency interference
(RFI).
•
Damage from lightning strikes occurs when wires exceed
recommended distances or pass between buildings.
• Electromagnetic pulses (EMPs) caused by lightning damage
unshielded conductors and electronic devices.
Signaling limitations
To reduce or eliminate RFI from your site wiring, do the following:
•
Use a twisted-pair cable with a good distribution of grounding
conductors.
• If you must exceed the recommended distances, use a
high-quality twisted-pair cable with one ground conductor
for each data signal when applicable.
Radio frequency interference
If your site is susceptible to problems with electromagnetic
compatibility (EMC), particularly from lightning or radio
transmitters, seek expert advice.
Some of the problems caused by strong sources of
electromagnetic interference (EMI) are:
• Destruction of the signal drivers and receivers in the device
• Electrical hazards as a result of power surges conducted over
the lines into the equipment
Electromagnetic compatibility
63 Copyright © 2016, Juniper Networks, Inc.
Chapter 6: Preparation Overview