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IEEE 1284 Serial→Parallel Converter
Connect async serial
hardware to an IEEE 1284
bidirectional interface.
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FE ATUR ES
» Converts serial to IEEE 1284 parallel.
» Runs at speeds up to 115.2 kbps.
» Supports two IEEE 1284 Bi-Tronics modes:
Compatible and Nibble (switchable).
» Super compact, pocket size.
» LEDs provide at-a-glance monitoring.
» Power choices: from both interfaces
or from an external power supply.
» Features 10-kV ESD (electrostatic discharge)
protection on the serial interface.
Use your speedy IEEE 1284 laser printer with your async RS-232 hardware!
HP LaserJet
IEEE 1284 Serial→Parallel
Conver ter ( PI049A )
RJ-45 (8-WIre)
Modular Cable
(EL08MS)
RJ-45 Modular
Adapter, DB9 Female
or DB25 Female
(FA065 or FA027)
PC
OVERVIEW
Get more out of your equipment with the IEEE 1284 Serial→
Parallel Converter from Black Box. Use your speedy IEEE 1284 laser
printer with your async RS-232/423 hardware. You can use this
converter with all your hardware equipped with an IEEE 1284
Bi-Tronics
in either Level 1 Compatible or Nibble modes (according to the IEEE
1284 standard). So it supports the high speeds—up to 115.2 kbps—
necessary for graphics-intensive laser-printer applications. Depending
on your equipment, all you have to do is set a switch to change
modes.
Nibble operations into standard HP
sequences. This enables operation with standard printer drivers.
from the PC or other serial devices into Bi-Tronics Nibble operations or
Compatible operations.
and is backward-compatible with Level 2 hardware.
®
parallel interface.
This tiny box gives you lots of operational options because it works
Conversion is simple. On the serial side, the converter translates
®
LaserJet® IV serial printer escape
On the parallel side, the converter translates all commands received
The converter supports all Bi-Tronics Level 1 compatible hardware
TECh SPECS
Electrostatic Discharge (ESD) Protection — 10 kV on the serial interface
Flow Control —
Serial: Hardware or software (X-ON /X-OFF), user selectable;
Parallel: Hardware
Leads Supported — Serial : 1–8;
Parallel: Pins 1–13 active; 31, 32, 36 held high; 16–30 ground
Power Requirements — IEEE 1284 B interface must suppor t optional 5 V on
Pin 18, IEEE 1284 C must support interface Pin 36; otherwise, use included
external AC power supply
Speed — 9600 bps; 19.2, 38.4, 115.2 kbps
Transmission Format — Serial: Async, full-duplex;
Parallel: IEEE 1284 [supports Nibble and Level 1 compatible modes
(switchable)]
CE Approval — Yes
Interface — RS-232, RS-423
Connectors — Serial: (1) RJ-45;
Parallel: (1) 36-pin Centronics M
Indicators — (2) LEDs: Power, Data Mode
Power — From RS-232/423 and IEEE 1284 interfaces;
External wallmount transformer: Input: 120 VAC, 60 Hz, 10 W;
Output: 9 VDC, 500 mA
Size — 3"H x 2.4"W x 0.8"D (7.6 x 6.1 x 2 cm)
Weight — 0.5 lb. (0.2 kg)
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PI049A
Why Buy From Black Box?
Exceptional Value.
Exceptional Tech Support. Period.
Recognize any of these situations?
• Youwaitmorethan30minutestogetthrough
to a vendor’s tech support.
• Theso-called“tech”can’thelpyouorgivesyou
the wrong answer.
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tech refuses to help you.
• It’s9p.m.andyouneedhelp,butyourvendor’s
tech support line is closed.
According to a survey by Data Communi cations 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.
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.
Technically Speaking
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 interfaces can send your data over 100 times faster at up to 5
times the distance!
Although the Centronics
unidirec-tional computer-to-peripheral data flow, the
IEEE 1284 interface enables bidirectional flow so peripherals
can send data to the computer.
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.
The computer negotiates with the attached device
to deter-mine which mode to use.
Item Code
IEEE 1284 Serial→Parallel Converter
®
interface enabled only
PI049A
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