Black Box Network Card IEEE 1284 User Manual

AUGUST 1999  
PI049A  
IEEE 1284 Serial to Parallel Converter  
IEEE 1284  
Serial to Parallel  
Converter  
CUSTOMER  
SUPPORT  
INFORMATION  
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)  
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746  
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018  
 
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.  
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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.  
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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.  
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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).  
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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  
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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—  
Range—  
9.6, 19.2, 38.4, and 115.2 kbps  
Meets capacitive and resistive load requirements of  
RS-232 and RS-423  
ESD Protection—  
Connectors—  
4KV  
®
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—  
Humidity Tolerance—  
Altitude Tolerance—  
Power Supply—  
32 to 140°F (0 to 60°C)  
5 to 95% noncondensing  
Up to 10,100 feet (3078.5 m)  
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—  
Weight —  
3"H x 2"W x 0.75"D (7.6 x 5.1 x 1.9 cm)  
0.5 lb. (0.2 kg)  
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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.  
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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.  
SWITCH 1: HARDWARE/SOFTWARE CONTROL  
The setting for Switch 1 determines whether the Converter will use hardware or  
software (X-on/X-off) flow control.  
Flow Control  
Hardware  
Software  
SW1  
OFF (factory default)  
ON  
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IEEE 1284 SERIAL TO PARALLEL CONVERTER  
SWITCH 2: REVERSE FLOW CONTROL  
The setting for Switch 2 determines whether the serial device receives reverse flow  
control information from the printer (see IEEE 1284 specification for details on  
reverse flow control).  
Reverse Flow Control  
Hardware (Nibble)  
None (Compatible)  
SW2  
OFF (factory default)  
ON  
SWITCHES  
3
AND 4: DATA RATE  
Switches 3 and 4 set the serial data rate for the Converter.  
Data Rate  
9600 bps  
SW3  
SW4  
OFF (factory default)  
OFF (factory default)  
19,200 bps  
38,400 bps  
115,200 bps  
OFF  
ON  
ON  
OFF  
ON  
ON  
SWITCHES  
5
THROUGH 8: FUTURE USE  
10  
 
IEEE 1284 SERIAL TO PARALLEL CONVERTER  
4. Installation  
Once you have configured the Converter, follow these installation instructions.  
®
1. Plug the Converter directly into the 36-pin Centronics interface. Where  
necessary, a short (no more than 6 ft. or 1.8 m) parallel printer cable may be  
used.  
2. The RS-232 interface is wired as a DCE (see below) according to the EIA-561  
standard. Connect the Converter to your serial RS-232 DTE device using a  
straight-through modular cable.  
RJ-45 (DCE)  
Signal  
1 ----------------------------DSR  
2 ----------------------------CD  
3 ----------------------------DTR  
4 ----------------------------SG  
5 ----------------------------RD  
6 ----------------------------TD  
7 ----------------------------CTS  
8 ----------------------------RTS  
3. The Converter derives power from the RS-232/423 and IEEE 1284 interfaces.  
IMPORTANT  
For the Converter to operate as an interface-powered device, the IEEE  
1284 B interface must support the optional 5V on pin 18, and IEEE 1284  
C must support interface pin 36 (peripheral logic high). If the IEEE 1284  
interface does not meet these requirements, you must supply power to  
the Converter using the optional wallmount AC power supply (PS095).  
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IEEE 1284 SERIAL TO PARALLEL CONVERTER  
5. Operation  
Once the Converter is properly configured and installed, it should operate  
transparently—as if it were a standard cable connection. There is no ON/OFF  
switch.  
LED Status Monitors  
The Converter features two easy-to-read status LEDs. The green LED glows when  
optional AC power (from the optional PS095 power supply) is applied to the unit.  
The red LED indicator blinks to show data activity. Since there is only one  
indicator, it uses different LED codes to demonstrate various messages. The  
following chart describes these codes.  
LED Codes  
ꢀ ꢀ ——— ꢀ ꢀ ———  
——— ——— ———  
Computer is sending data.  
Serial device is connected; computer is not  
sending data.  
ꢀ ꢀ ——— ꢀ ꢀ ———  
Both serial and parallel devices are connected;  
computer not sending data.  
——— ————  
ꢀ ꢀ ꢀ ꢀ ———ꢀ ꢀ ꢀ ꢀ  
Printer not ready, data held in buffer.  
Computer ignoring flow control, data lost.  
Key  
Blink  
Short pause  
Long pause  
———  
12  
 
IEEE 1284 SERIAL TO PARALLEL CONVERTER  
Appendix: Interface Connections  
36-Pin Centronics Parallel Port Connections  
Pin  
1
Description  
Strobe  
Direction  
Output  
2
Data bit 0  
Data bit 1  
Data bit 2  
Data bit 3  
Data bit 4  
Data bit 5  
Data bit 6  
Data bit 7  
Acknowledge  
Busy  
3
4
5
I/O  
6
7
}
8
9
10  
11  
12  
13  
16  
17  
18  
Input (active low)  
Input (active high)  
Paper end  
Select  
Logic Ground  
Chassis Ground  
+5 volts  
(19, 20, 21, 22, 23, 24,  
25, 26, 27, 28, 29, 30)  
Init  
Ground  
}
31  
32  
36  
Error  
nSelectIn  
Note: All other pins are unconnected.  
13  
 
© Copyright 1999. Black Box Corporation. All rights reserved.  
1000 Park Drive  
Lawrence, PA 15055-1018  
724-746-5500  
Fax 724-746-0746  
 

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