and with graphics capability. The printer shall be able to print in both
red and black without ribbon change. The printers shall have adjustable
sprockets for paper width up to 11 inches, print at least 80 columns per
line and have a minimum speed of 200 characters per second. Character
spacing shall be selectable at 10, 12 or 17 characters per inch. The
printers shall utilize sprocket-fed fan fold paper. The units shall have
programmable control of top-of-form.
2.2.19
Report Printer
A report printer shall be provided and interconnected to the central
station equipment. The printer shall be a laser printer with printer
resolution of at least 600 dots per inch. The printer shall have at least
2 megabytes of RAM. Printing speed shall be at least 8 pages per minute
with a 100-sheet paper cassette and with automatic feed. [[_____] sheets
of printer paper and [_____] ribbons shall be provided by the Contractor
after successful completion of the endurance test.]
2.2.20
Controllers
Controllers required for operation of specified peripherals, serial, and
parallel ports shall be provided.
2.2.21
Redundant Central Computer
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NOTE: Redundant processors and associated hardware
and software should be used only when required by
governing regulations or when a single point failure
would be unacceptable.
**************************************************************************
An identical redundant central computer shall be provided. It shall be
interconnected in a hot standby, peer configuration. Each central computer
shall maintain its own copies of system software, application software and
data files. System transactions and other activity that alter system data
files shall cause near real-time updates to both sets of system files. In
the event of a central computer failure, the other central computer shall
assume control immediately and automatically.
2.2.22
Central Station Equipment Enclosures
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NOTE: The Central Station enclosures should be
located in a secure location. The cabinetry should
provide the most ergonomic configuration for the
system operator. The layout of the cabinets should
provide service access to the rear of the cabinets
to allow service without disrupting normal
operations. Additionally, the electronic equipment
should be kept at a lower temperature than the
operator's location to extend the life of the
equipment. Consider mounting the cabinets in a
wall; operator on one side, access to equipment on
the other. Power should be distributed through the
cabinets for all of the racked equipment. Lighting
should be designed to minimize reflections on the
monitors while maintaining sufficient light levels
for the operators to work.
SECTION 13720A
Page 39
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