Black Box Printer Accessories PI125A R2 User Manual

© Copyright 2001. Black Box Corporation. All rights reserved.  
1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746  
 
 
TRADEMARKS/CE NOTICE  
Trademarks Used In This Manual  
Black Box and the  
logo are registered trademarks  
of Black Box Corporation.  
Centronics is a registered trademark of GENICOM  
Corporation.  
DeskJet and HP are registered trademarks of Hewlett-  
Packard.  
IBM is a registered trademark of IBM Corporation.  
Any other trademarks mentioned in this manual are  
acknowledged to be the property of the trademark owners.  
European Union Declaration of Conformity  
The CE symbol on the equipment indicates that it is in  
compliance with the Electromagnetic Compatibility  
(EMC) directive and the Low Voltage Directive (LVD)  
of the Union European (EU).  
1
 
SERIALPARALLEL CONVERTERS  
FEDERAL COMMUNICATIONS COMMISSION  
AND  
INDUSTRY CANADA  
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 classe A prescrites dans le Règlement sur le  
brouillage radioélectrique publié par Industrie Canada.  
2
 
NOM STATEMENT  
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.  
3
 
SERIALPARALLEL CONVERTERS  
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.  
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.  
4
 
TABLE OF CONTENTS  
Contents  
1. Specifications ..............................................................6  
2. Introduction ................................................................8  
2.1 Description ..........................................................8  
2.2 Features................................................................8  
3. Configuration and Installation ................................10  
3.1 Configuration Switches ....................................10  
3.2 Installation ........................................................14  
4. Reading the LED ......................................................15  
5. Troubleshooting........................................................16  
5
 
SERIALPARALLEL CONVERTERS  
1. Specifications  
Data Rates —  
Indicators —  
Interface —  
300, 600, 1200, 2400, 4800,  
9600, 19,200, 38,400 bps  
LED displays status and  
operating condition  
EIA RS-232 async serial  
(autosensing DTE/DCE)  
and IBM PC parallel  
Connectors —  
Data Format —  
(1) DB25M, (1) DB25F  
7 or 8 bits; 1 or 2 stop bits;  
even, odd, or no parity  
Temperature Range — 32 to 140°F (0 to 60°C)  
Altitude —  
Humidity —  
Power —  
Up to 10,100 feet (3078 m)  
5 to 95%, noncondensing  
No external power required;  
uses power from the RS-232  
interface  
6
 
CHAPTER 1: Specifications  
3.4"H x 1.3"W x 0.8"D  
Size —  
(8.7 x 3.3 x 2 cm)  
Weight —  
2 oz. (57 g)  
7
 
SERIALPARALLEL CONVERTERS  
2. Introduction  
2.1 Description  
The SerialParallel Converters automatically convert  
RS-232 serial data to parallel data format and vice versa,  
in one direction at a time. Incorporating advanced  
microprocessor technology, they are able to automati-  
cally sense and select parallel and serial modes, as well  
as DCE/DTE modes. Requiring no AC power, these  
Converters support serial data rates to 38.4 kbps.  
For easy configuration, the Converters feature a  
convenient set of external configuration switches. These  
accessible configuration switches allow you to control  
baud rate, parity, word length, and flow control. An  
easy-to-read LED indicator displays status and operating  
condition.  
Housed in an ultra-miniature ABS plastic case, each  
Converter comes equipped with a DB25 female  
connector on the serial side and a DB25 male  
connector on the parallel side.  
8
 
CHAPTER 2: Introduction  
2.2 Features  
• Converts parallel data to serial data and vice versa.  
• Automatically selects parallel-to-serial  
and serial-to-parallel operation.  
• Automatically selects DCE/DTE modes.  
• Serial data rates to 38,400 bps.  
• No AC power required.  
• Supports both software and hardware flow control.  
• A five-state LED monitors status and diagnostics.  
• External configuration switches.  
• Ultra-miniature size.  
9
 
SERIALPARALLEL CONVERTERS  
3. Configuration and Installation  
The Converter is simple to install and extremely reliable.  
The following instructions will help you set up and  
install your converter properly. If you have any  
questions, please call Black Box Technical Support  
at 724-746-5500.  
3.1 Configuration Switches  
The Converters each use a set of eight external DIP  
switches (see Figure 3-1) that allow configuration to a  
wide range of applications. Because all eight switches  
are in one externally accessible DIP-switch package,  
you don’t need to open the case for configuration.  
The configuration switches allow you to select data  
rates, parity, word length, and flow control. This section  
describes all switch locations, positions, and functions.  
10  
 
CHAPTER 3: Configuration and Installation  
Figure 3-1. The location of the configuration switches.  
1 2 3 4 5 6 7 8  
OFF  
Figure 3-2. The miniature configuration switch package.  
11  
 
SERIALPARALLEL CONVERTERS  
The Converters use a miniature configuration switch  
package. To configure your unit, use a small screwdriver  
and gently push each switch to its proper setting. The  
ON and OFF positions are shown in Figure 3-2. Default  
settings (noted with an asterisk) for the DIP switches  
are shown in the table on the following page.  
Set up the Converter by selecting the appropriate  
DIP-switch settings for your application.  
12  
 
CHAPTER 3: Configuration and Installation  
Position  
1
2
3
4
5
6
7
8
Flow Control  
Hardware  
Software  
OFF*  
ON  
LED  
Enabled  
Disabled  
ON*  
OFF  
Parity/D. Bits/  
S. Bit  
None/8/1  
Odd/8/1  
Even/8/1  
None/7/2  
Odd/7/2  
Even/7/2  
Odd/7/1  
Even/7/1  
OFF  
ON  
OFF  
ON  
ON  
OFF  
OFF  
ON  
OFF  
OFF*  
OFF  
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
ON  
ON  
ON  
D. Rate (bps)  
300  
600  
OFF  
ON  
ON  
OFF  
ON  
OFF  
ON  
OFF  
OFF  
ON  
ON  
OFF  
ON  
ON  
OFF*  
OFF  
OFF  
OFF  
ON  
ON  
ON  
OFF  
OFF  
ON  
1200  
2400  
4800  
9600  
19200  
38400  
*Default setting.  
13  
 
SERIALPARALLEL CONVERTERS  
3.2 Installation  
The Converter is very simple to install. Once you have  
configured the DIP switches, just plug your Converter  
into a standard cable and you’re ready to go. Figure 3-3  
shows the proper connections.  
Figure 3-3. Typical installation.  
14  
 
CHAPTER 4: Reading the LED  
4. Reading the LED  
Once your Converter is properly configured and  
installed, it should operate transparently—as if it were a  
standard cable connection. Operating power is derived  
from the RS-232 data and control signals; there is no  
“ON/OFF” switch.  
The Converter indicates data activity by blinking. When  
the Converter has another message to report, the LED  
blinks according to the codes in Table 4-1 below.  
Table 4-1. LED Codes  
••-•—••-•— Computer is sending data  
•—•—•—  
Serial device is connected; computer is not sending  
data  
••—••—  
Both serial and parallel devices are connected;  
computer is not sending data  
•-•—•-•—  
••••—••••  
Printer not ready, data held in buffer  
Computer ignoring flow control, data lost  
Key:  
Blink  
-
Short pause  
Long pause  
15  
 
SERIALPARALLEL CONVERTERS  
5. Troubleshooting  
If your SerialParallel Converter seems to be malfunc-  
tioning, do not attempt to alter or repair the unit. Contact  
Black Box Technical Support at 724-746-5500.  
Before you do so, make a record of the history of the  
problem. We will be able to provide more efficient and  
accurate assistance if you have a complete description,  
including:  
• The nature and duration of the problem.  
• When the problem occurs.  
• The components involved in the problem.  
• Any particular application that, when used,  
appears to create the problem or make it worse.  
If you need to transport or ship your Converter:  
• Carefully package it. We recommend that  
you use the original container.  
• If you’re shipping the Converter back to Black  
Box, call Technical Support to get a Return  
Materials Authorization (RMA) number.  
16  
 
NOTES  
 
NOTES  
 

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