Cisco Cisco Aironet 1524 Lightweight Outdoor Mesh Access Point Guía De Información
19
September/October 2009 |
EdTEch
mag.com
security in off-campus housing and
administration buildings. It has
been supported by a parallel trend
toward increased cooperation be-
tween municipal and campus police.
Advances in technology have also
helped, says Webster.
“With the old CDMA [code division
multiple access] wireless systems, there
wasn’t enough infrastructure to do
useful electronic video surveillance,”
Webster says. “With mesh networks,
there’s enough bandwidth to get good
images and deploy cameras in critical
locations. It just makes security better.”
According to Smith and Joschko,
there have been almost no complaints
about the surveillance program from
students or citizens concerned about
privacy. They chalk up acceptance
of the program to it being well-
publicized and to the cameras being
deployed very openly.
“In successful surveillance programs,
campuses sell it as an asset to students
before they install it,” Webster says.
“A campus is already a very public
place, and when they think about it,
people are willing to give up a little
privacy for security.”
At Marquette, security is better
now that it includes the surrounding
neighborhood. “There’s no doubt in
anyone’s mind that these cameras and
the signs we put up played a role in
deterring crime,” Joschko says.
et
Marquette’s Wireless
surveillance network
Wireless video cameras
mounted on near off-
campus commercial and
residential buildings
receive and transmit data
from cisco aironet 1520
lightweight outdoor mesh
access points.
the access points transmit
instructions to the cameras
and data from the cameras
to the dPs command
information center and
to root access points that
connect the outdoor
network to ethernet ports
and the cisco unified
Wireless network.
in the command information center,
using the cisco Wireless control
system and a video wall, officers
monitor and control the outdoor
network cameras in real time, along
with all other surveillance cameras
at the university. data from the
cameras is stored in network video
recorders in the cic.
officers within Wi-fi range
of university buildings,
especially those in squad
cars, can log into video from
the outdoor network and
pan or zoom cameras for
real-time crime control.
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