Table 18: Site Electrical Wiring Guidelines for the AX411 Access
Point (continued)
GuidelineSite Wiring Factor
To reduce or eliminate the emission of RFI from your site wiring:
•
Use twisted-pair cable with a good distribution of grounding
conductors.
•
Use a high-quality twisted-pair cable with one ground conductor
for each data signal when applicable, if you must exceed the
recommended distances.
Radio frequency
interference (RFI)
Provide a properly grounded and shielded environment and use
electrical surge-suppression devices.
Strong sources of electromagnetic interference (EMI) can cause
the following damage:
•
Destroy the signal drivers and receivers in the device
•
Conduct power surges over the lines into the equipment,
resulting in an electrical hazard
NOTE: If your site is susceptible to problems with EMC, particularly
from lightning or radio transmitters, you may want to seek expert
advice.
Electromagnetic
Compatibility (EMC)
CAUTION: To comply with intrabuilding lightning/surge requirements, the
intrabuilding wiring must be shielded. The shielding for the wiring must be
grounded at both ends.
Related
Documentation
AX411 Access Point Power Supply Specifications and Requirements on page 82•
AX411 Access Point Power Supply Specifications and Requirements
The AC power system electrical specifications for the AX411 Access Point are listed in
Table 19 on page 82.
Table 19: Power Supply Electrical Specifications for the AX411 Access
Point
SpecificationPower Requirement
100 to 240 VACAC input voltage
50 to 60 HzAC input line frequency
0.65 A maxAC system current rating
Copyright © 2012, Juniper Networks, Inc.82
AX411 Access Point Hardware Guide
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