Black Box IC1020A User manual

CUSTOMER

SUPPORT

INFORMATION

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FREE technical s pport 24 ho rs a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746

Mailing address: Bla k Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018

Web site: www.bla kbox. om • E-mail: info@bla kbox. om

JULY 2002

IC1020A

IC1021A

IC1022A

Dual-Port USB Hub—RS-232/422/485

Quad-Port USB Hub—RS-422/485

Quad-Port USB Hub—RS-232/422/485

FCC AND IC RFI STATEMENTS

FEDERAL COMMUNICATIONS COMMISSION

and INDUSTRY CANADA

RADIO FREQUENCY INTERFERENCE STATEMENTS

Class B Digital Device. This equipment has been tested and found to comply with

the limits for a Class B computing device pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against harmful

interference in a residential installation. However, there is no guarantee that

interference will not occur in a particular installation. This equipment generates,

uses, and can radiate radio frequency energy, and, if not installed and used in

accordance with the instructions, may cause harmful interference to radio

communications. If this equipment does cause harmful interference to radio or

telephone reception, which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference by one of the following

measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which

the receiver is connected.

• Consult an experienced radio/TV technician for help.

Caution

Changes or modifications not expressly approved by the party

responsible for compliance co ld void the ser’s a thority to operate

the eq ipment.

To meet FCC requirements, shielded cables and power cords are required to

connect this device to a personal computer or other Class B certified device.

This digital apparatus does not exceed the Class B 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 B prescrites dans le Règlement sur le brouillage

radioélectrique publié par Industrie Canada.

DUAL- AND QUAD-PORT USB HUBS

EMC Directive Statement

Products bearing the CE Label fulfill the requirements of the EMC directive

(89/336/EEC) and of the low-voltage directive (73/23/EEC) issued by the

European Commission.

To obey these directives, the following European standards must be met:

• EN55022 Class B—Limits and methods of measurement of radio interference

characteristics of information technology equipment.

• EN55024—Information technology equipment immunity characteristics limits

and methods of measurements.

• EN60950 (IEC950)—Safety of information technology equipment, including

electrical business equipment.

Always use the cabling provided with this product if possible. If no cable is

provided or if an alternate cable is required, use high-quality shielded cabling to

maintain compliance with EMC directives.

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.

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.

DUAL- AND QUAD-PORT USB HUBS

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.

TRADEMARKS

TRADEMARKS USED IN THIS MANUAL

AT, IBM, and PS/2 are registered trademarks of International Business Machines

Corporation.

Windows is a registered trademark of Microsoft Corporation.

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

trademark owners.

DUAL- AND QUAD-PORT USB HUBS

Contents

Chapter Page

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

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

2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2 What’s Included . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.3 Technical Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.4 Connector Pin Assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1 Operating System Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.2 System Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4. Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.1 Original Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.2 Electrical Interface Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.2.1 Dual-Port USB Hub—RS-232/422/485 (IC1020A). . . . . . . . . . 12

4.2.2 Quad-Port USB Hub—RS-422/485 (IC1021A) . . . . . . . . . . . . . 15

4.2.3 Quad-Port USB Hub—RS-232/422/485 (IC1022A). . . . . . . . . 17

Appendix A. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

A.1 Troubleshooting Tips. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

A.2 Calling Black Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

A.3 Shipping and Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Appendix B. Electrical Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

B.1 RS-232 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

B.2 RS-422 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

B.3 RS-485 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Appendix C. Asynchronous Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

1. Specifications

Standards: USB version 1.1

Speed: RS-232: Up to 460.8 kbps; RS-422/485: Up to 921.6 kbps

Indicators: IC1020A: (5) Status LEDs: (3) USB Enabled; (2) Port Activity;

IC1021A, IC1022A: (9) Status LEDs: (5) USB Enabled; (4) Port Activity

Connectors: IC1020A: (1) USB Type B; (2) DB9 male;

IC1021A, IC1022A: (1) USB Type B, (4) DB9 male

Temperature Tolerance: Operating: 32 to 122°F (0 to 50°C); Storage: -4 to +158F

(-20 to +70°C)

Relative Humidity: 10 to 90% noncondensing

Mean Time Between Failures (MTBF): Greater than 150,000 hours (calculated)

Power: 500 mA per port supplied from the USB root hub or a self-powered hub

Size: 1.5"H x 5.3"W x 7.1"H (3.8 x 13.5 x 18 cm)

Weight: 1 lb. (0.5 kg)

CHAPTER 1: Specifications

DUAL- AND QUAD-PORT USB HUBS

2. Introduction

2.1 Overview

The USB Hub equips the PC with 2 or 4 USB to RS-232/422/485 or RS-422/485

asynchronous serial ports. It gives you a versatile interface for common serial

needs. Three models are available:

• The Dual-Port USB Hub (IC1020A) has 2 USB ports to RS-232/422/485 serial

ports.

• The Quad-Port USB Hub (IC1021A) has 4 USB ports to RS-422/485

serial ports.

• The Quad-Port USB Hub (IC1022A) has 4 USB ports to RS-232/422/485

serial ports.

Unlike more traditional products, the USB Hub does not require opening the

computer case, nor does it require resources such as I/O ports or IRQs.

It does require a system that supports USB both in terms of hardware and

operating system.

2.2 What’s Included

The USB Hub is shipped with the following items.

• (1) Dual-Port USB Hub RS-232/422/485, Quad-Port USB Hub RS-422/485, or

Quad-Port USB Hub RS-232/422/485.

• (1) USB cable for connecting to the upstream host/hub.

• (1) CD-ROM disk containing drivers and installation software.

• This users’ manual.

If anything is missing or damaged, contact Black Box at 724-746-5500.

2.3 Technical Description

The Dual-Port USB Hub (IC1020A) uses two chips. The Quad-Port USB Hubs

(IC1021A and IC1022A) use four chips. These chips feature programmable baud

rate, data format, 128-byte dual-port TX buffer, and 384-byte dual-port RX buffer.

The RS-232/422/485 and the RS-422/485 transceivers support data rates up to

921.6 kbps for RS-422/485 and 460.8 kbps for RS-232.

CHAPTER 2: Introduction

2.4 Connector Pin Assignments

The IC1020A has one USB Type B connector and two DB9 male connectors.

The IC1021A and IC1022A have one USB Type B connector and four DB9 male

connectors. The pinouts for the DB9 connectors are described in Tables 2-1

and 2-2.

Table 2-1. RS-422/485 DB9 male connector pin assignments.

Signal Name Pin # Mode

RX+ Receive Data Positive 1 Input

RX- Receive Data Negative 2 Input

TX- Transmit Data Negative 3 Output

TX + Transmit Data Positive 4 Output

GND Ground —

RTS+ Request To Send Positive 6 Output

RTS- Request To Send Negative 7 Output

CTS- Clear To Send Negative 8 Input

CTS+ Clear To Send Positive 9 Input

Table 2-2. RS-232 DB9 male connector pin assignments.

Signal Name Pin # Mode

DCD Data Carrier Detect 1 Input

RX Receive Data 2 Input

TX Transmit Data 3 Output

DTR Data Terminal Ready 4 Output

GND Ground —

DSR Data Set Ready 6 Input

RTS Request To Send 7 Output

CTS Clear To Send 8 Input

RI Ring Indicator 9 Input

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