WARNING:
It is particularly important to provide a properly grounded and
shielded environment and to use electrical surge-suppression devices.
Table 23: 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
Related
Documentation
General Safety Guidelines and Warnings on page 319
•
•
General Electrical Safety Guidelines and Warnings on page 347
•
Prevention of Electrostatic Discharge Damage on page 348
SRX5400 Services Gateway Physical Specifications
summarizes the physical specifications for the services gateway
chassis.
Copyright © 2017, Juniper Networks, Inc.
90
SRX5400 Services Gateway Hardware Guide
Summary of Contents for SRX5400
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