Black Box IEEE 1284 Manuale utente

AUGUST 1999

PI049A

IEEE 1284 Serial to Parallel Converter

IEEE 1284

Serial to Parallel

Converter

CUSTOMER

SUPPORT

INFORMATION

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IEEE 1284 SERIAL TO PARALLEL CONVERTER

TRADEMARKS USED IN THIS MANUAL

Centronics is a registered trademark of Centronics Corporation.

DEC is a trademark of Digital Equipment Corporation.

Hewlett-Packard and LaserJet are registered trademarks of Hewlett-Packard.

Any other trademarks used in this manual are acknowledged to be the property of

the trademark owners.

IEEE 1284 SERIAL TO PARALLEL CONVERTER

FEDERAL COMMUNICATIONS COMMISSION

AND

CANADIAN DEPARTMENT OF COMMUNICATIONS

RADIO FREQUENCY INTERFERENCE STATEMENTS

This equipment generates, uses, and can radiate radio frequency energy and if not

installed and used properly, that is, in strict accordance with the manufacturer’s

instructions, may cause interference to radio communication. It has been tested

and found to comply with the limits for a Class A computing device in accordance

with the specifications in Subpart J of Part 15 of FCC rules, which are designed to

provide reasonable protection against such interference when the equipment is

operated in a commercial environment. Operation of this equipment in a

residential area is likely to cause interference, in which case the user at his own

expense will be required to take whatever measures may be necessary to correct the

interference.

Changes or modifications not expressly approved by the party responsible for

compliance could void the user’s authority to operate the equipment.

This digital apparatus does not exceed the Class A limits for radio noise emission from digital

apparatus set out in the Radio Interference Regulation of Industry Canada.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites

applicables aux appareils numériques de la classe A prescrites dans le Règlement sur le

brouillage radioélectrique publié par Industrie Canada.

IEEE 1284 SERIAL TO PARALLEL CONVERTER

NORMAS OFICIALES MEXICANAS (NOM)

ELECTRICAL SAFETY STATEMENT

INSTRUCCIONES DE SEGURIDAD

1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de

que el aparato eléctrico sea operado.

2. Las instrucciones de seguridad y operación deberán ser guardadas para

referencia futura.

3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de

operación deben ser respetadas.

4. Todas las instrucciones de operación y uso deben ser seguidas.

5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo, cerca

de la tina de baño, lavabo, sótano mojado o cerca de una alberca, etc..

6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales que

sean recomendados por el fabricante.

7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea

recomendado por el fabricante.

8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá

a lo descrito en las instrucciones de operación. Todo otro servicio deberá ser

referido a personal de servicio calificado.

9. El aparato eléctrico debe ser situado de tal manera que su posición no

interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá,

alfombra o superficie similar puede bloquea la ventilación, no se debe colocar

en libreros o gabinetes que impidan el flujo de aire por los orificios de

ventilación.

10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor

como radiadores, registros de calor, estufas u otros aparatos (incluyendo

amplificadores) que producen calor.

11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del

tipo descrito en el instructivo de operación, o como se indique en el aparato.

IEEE 1284 SERIAL TO PARALLEL CONVERTER

12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización

del equipo no sea eliminada.

13. Los cables de la fuente de poder deben ser guiados de tal manera que no

sean pisados ni pellizcados por objetos colocados sobre o contra ellos,

poniendo particular atención a los contactos y receptáculos donde salen del

aparato.

14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las

recomendaciones del fabricante.

15. En caso de existir, una antena externa deberá ser localizada lejos de las lineas

de energia.

16. El cable de corriente deberá ser desconectado del cuando el equipo no sea

usado por un largo periodo de tiempo.

17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean

derramados sobre la cubierta u orificios de ventilación.

18. Servicio por personal calificado deberá ser provisto cuando:

A: El cable de poder o el contacto ha sido dañado; u

B: Objectos han caído o líquido ha sido derramado dentro del aparato; o

C: El aparato ha sido expuesto a la lluvia; o

D: El aparato parece no operar normalmente o muestra un cambio en su

desempeño; o

E: El aparato ha sido tirado o su cubierta ha sido dañada.

IEEE 1284 SERIAL TO PARALLEL CONVERTER

CE Notice

The CE symbol on your IEEE 1284 Serial to Parallel Converter indicates that it is in

compliance with the Electromagnetic Compatibility (EMC) directive and the Low

Voltage Directive (LVD) of the Union European (EU).

IEEE 1284 SERIAL TO PARALLEL CONVERTER

Contents

Chapter Page

1. Specifications ......................................................................................................7

2. Introduction ........................................................................................................8

2.1 Description ..............................................................................................8

2.2 Features ....................................................................................................8

3. Configuration ......................................................................................................9

3.1 Configuration Switches ..........................................................................9

3.2 Detailed Switch Settings ..........................................................................9

4. Installation ........................................................................................................11

5. Operation ..........................................................................................................12

Appendix: Interface Connections ..........................................................................13

IEEE 1284 SERIAL TO PARALLEL CONVERTER

1. Specifications

Transmission Format— Serial side: Asynchronous, full duplex; Parallel side:

IEEE 1284 BiTronics, supporting Compatibility and

Nibble Modes (switchable)

Data Rates— 9.6, 19.2, 38.4, and 115.2 kbps

Range— Meets capacitive and resistive load requirements of

RS-232 and RS-423

ESD Protection— 4KV

Connectors— Parallel connection: Male 36-pin Centronics®or Mini-

Centronics 36; Serial connection: DEC™MMJ jack,

RJ-45 jack, or DB25 (male or female)

Temperature Range— 32 to 140°F (0 to 60°C)

Humidity Tolerance— 5 to 95% noncondensing

Altitude Tolerance— Up to 10,100 feet (3078.5 m)

Power Supply— Power derived from RS-232/423 and IEEE-1284

interfaces

NOTE

IEEE 1284 B interface must support the optional 5V on pin 18, and IEEE

1284 C must support interface pin 36 (peripheral logic high). Otherwise,

power must be supplied using the optional AC wallmount power supply

(PS095).

Size— 3"H x 2"W x 0.75"D (7.6 x 5.1 x 1.9 cm)

Weight — 0.5 lb. (0.2 kg)

IEEE 1284 SERIAL TO PARALLEL CONVERTER

2. Introduction

2.1 Description

The IEEE 1284 Serial to Parallel Converter lets you connect RS-232/423 serial

hardware to a printer or other device equipped with a BiTronics parallel interface.

Able to work in either Level 1 Compatible or Nibble modes (according to the IEEE

1284 standard), the Converter supports the high speeds necessary for graphics-

intensive laser-printer applications.

On the serial side, the Converter translates Nibble operations into standard

Hewlett-Packard®LaserJet®IV serial printer escape sequences. This allows

operation with standard printer drivers. On the parallel side, the Model 2030

translates all commands received from the serial device into BiTronics Nibble

operations or Compatible operations (depending upon the mode selected).

The IEEE 1284 Serial to Parallel Converter works with all BiTronics Level 1

compatible hardware, including Level 2 hardware with Level 1 backward

compatibility. Power may be supplied by both interfaces, or by an optional plug-in

AC adapter (PS095).

2.2 Features

• Supports data rates up to 115.2 kbps.

• Supports two IEEE 1284 BiTronics modes: Compatible and Nibble (switchable).

• 4KV ESD protection on serial interface.

• Power derived from both interfaces, or from external AC power supply.

• LEDs for Power and Data mode (distinctive blinking).

• Male 36-pin Centronics or Mini-Centronics 36 for parallel connection.

• DEC MMJ jack, RJ-45 jack, or DB25 (male or female) for serial connection.

• Miniature size.

IEEE 1284 SERIAL TO PARALLEL CONVERTER

3. Configuration

3.1 Configuration Switches

The Converter uses a set of eight external DIP switches that allow configuration to

a wide range of applications. Because all eight switches are in one externally

accessible DIP-switch package, there is no need to open the case for configuration.

The configuration switches allow you to select data rates, parity, word length, and

flow-control selection.

To set the switches:

1. Open the Converter’s case by inserting a small flat-blade screwdriver in the

slot on either side of the case and twisting gently.

2. Having exposed the PC board, you will see the miniature DIP-switch packet on

the side of the board nearest the Centronics®connector.

3. Use a small screwdriver and gently push each switch to its proper setting. The

ON position is printed on the switch packet.

4. Fit the case halves and end plate together and push to snap closed.

3.2 Detailed Switch Settings

The DIP switches on the Converter’s PC board are labeled 1 through 8. Only

switches 1 through 4 are used. Switches 5 through 8 have no function.

WITCH

1: H

ARDWARE

OFTWARE

ONTROL

The setting for Switch 1 determines whether the Converter will use hardware or

software (X-on/X-off) flow control.

Flow Control SW1

Hardware OFF (factory default)

Software ON

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