Black Box Computer Accessories 26658 User Manual

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IEEE 1284 SerialParallel Converter  
Connect async serial  
hardware to an IEEE 1284  
bidirectional interface.  
06/08/2010  
#26658  
1 of 3  
 
technically speaking  
Why Buy From Black Box?  
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.  
Exceptional Tech Support. Period.  
Recognize any of these situations?  
• You wait more than 30 minutes to get through  
to a vendor’s tech support.  
• The so-called “tech” can’t help you or gives you  
the wrong answer.  
• You don’t have a purchase order number and the  
tech refuses to help you.  
• It’s 9 p.m. and you need help, but your vendor’s  
tech support line is closed.  
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.  
At Black Box, we guarantee the best value and the best support.  
You can even consult our Technical Support Experts before you buy if  
you need help selecting just the right component for your application.  
Don’t waste time and money—call Black Box today.  
Item  
IEEE 1284 Serial  
Code  
Parallel Converter  
PI049a  
06/08/2010  
#26658  
3 of 3  
 

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