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Guard Shack.  Guard shacks are inherently difficult to
upgrade because of remote physical locations (usually in the
middle of traffic lanes) and their limited physical size.  To
ensure adequate connectivity for current and future requirements,
a 12 pair cable and a 6 strand fiber optic multimode cable should
be installed during construction.  The 12 pair copper cable can
provide ringdown service to each of the various emergency
services usually available on a base (hospital, fire, security),
as well as an on-base dial-up capability.  The fiber optic
strands will accommodate control and video signals from the video
camera and provide access to security information databases after
normal working hours.  The copper cable should meet Rural
Electrification Administration (REA) standards for the type of
installation planned; PE-89, Filled Telephone Cables With
Expanded Insulation for underground or buried and PE-22, Aerial
and Underground Cable for aerial.  The fiber optic cable should
be tight buffered, loose-tube construction.  Service to the guard
shack should be provisioned through an underground 4-inch rigid
conduit routed from the nearest campus distribution system access
point (manhole, pole, or building).  Warehouse.  The availability of supply/inventory data
networks have enhanced the efficiency of warehouse operations to
the point where warehouses are now a minicomputer center.  Since
the distances from the remote terminals usually exceed the
recommended 90 m (295 ft.), these networks are serviced in
various ways, including dial-up modem access, coaxial, and fiber
optic connectivity.  Most warehouse facilities are high-ceiling
structures with areas sectioned off to provide for
environmentally conditioned office and equipment spaces.  When
provisioning telecommunication services to a warehouse, the RCDD
must account for the high volume, high-speed telecommunication
requirements of the modern warehouse facility.  Connectivity and
distribution requirements in the environmentally conditioned
office area should be configured the same as delineated for an
administrative building.  The horizontal distribution to entry
terminal locations outside the office area should be in metal
conduit (usually EMT) and routed along walls or ceiling beams to
prevent inadvertent damage from the heavy equipment or vehicles
which are common to the warehouse environment.  When planning
conduit routing for telecommunication cabling, the RCDD should
avoid significant obstructions encountered in the space, sources
of EMI, and areas where excessive heat conditions might exist.
In the warehouse area, the RCDD should provide a wall phone jack
approximately every 33 m (100 ft.).  Paging systems are usually
accessed through the telephone switch by dialing a specific code
for the desired zone from a properly class marked instrument.  In
those instances where separate paging microphones are required,
microphones should be collocated with the wall phone.  Speakers


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