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IEEE 1284 Serial→Parallel Converter
Connect async serial
hardware to an IEEE 1284
bidirectional interface.
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technically speaking
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Exceptional Value.
IEEE 1284.
Introduced in 1994, the IEEE 1284 standard addresses
data-transfer speeds and distance for parallel interfaces.
Standard parallel interfaces support speeds of up to 150 kbps
at distances of up to 6 feet (1.8 m); IEEE 1284 parallel inter-
faces can send your data over 100 times faster at up to 5
times the distance!
Although the Centronics® interface enabled only
unidirec-tional computer-to-peripheral data flow, the
IEEE 1284 interface enables bidirectional flow so peripherals
can send data to the computer.
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The IEEE 1284 standard covers five separate parallel
modes, from the original Centronics (with which it’s
compatible) to the high-performance Enhanced Parallel
Port (EPP) mode.
PI049A
According to a survey by Data Communications magazine, 90%
of network managers surveyed say that getting the technical support
they need is extremely important when choosing a vendor. But even
though network managers pay anywhere from 10 to 20% of their
overall purchase price for a basic service and support contract, the
technical support and service they receive falls far short of their
expectations—and certainly isn’t worth what they paid.
The computer negotiates with the attached device
to deter-mine which mode to use.
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Item
IEEE 1284 Serial
Code
→
Parallel Converter
PI049a
06/08/2010
#26658
3 of 3
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