Black Box IC1023A User Manual
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Black Box IC1023A User Manual

Black Box IC1023A User Manual

8-port usb hub
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CUSTOMER
SUPPORT
INFORMATION
8-Port USB Hub
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
Web site: www.blackbox.com • E-mail: info@blackbox.com
JUNE 2003
IC1023A
IC1024A
IC1025A

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  • Page 1 Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500) SUPPORT FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 INFORMATION Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...
  • Page 2 FCC AND IC RFI STATEMENTS FEDERAL COMMUNICATIONS COMMISSION 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 B of Part 15 of FCC rules, which are designed to provide reasonable protection against such interference when the equipment is...
  • Page 3 8-PORT USB HUB 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.
  • Page 4 NOM STATEMENT 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.
  • Page 5 8-PORT USB HUB TRADEMARKS USED IN THIS MANUAL IBM and PS/2 are registered trademarks of International Business Machines Corporation. Windows is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries. Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

  • Page 6: Table Of Contents

    5.1 Calling Black Box ........

  • Page 7: Specifications

    8-PORT USB HUB 1. Specifications Speed: RS-232: Up to 460.8 kbps; RS-422/485: Up to 921.6 kbps Standards: USB version 1.1 MTBF: Greater than 150,000 hours Connectors: (8) DB9 female, (1) USB Indicators: (9) LEDs: (8) Port activity, (1) Power Temperature Tolerance: Operating: 32 to 122°F (0 to 50°C); Storage: -4 to +158°F (-20 to +70°C) Relative Humidity: Up to 90%, noncondensing Power: From the USB interface...

  • Page 8: Introduction

    2.2 What the Package Includes • (1) 8-Port USB Hub • (1) USB cable for connecting to an upstream host/hub • (1) CD-ROM with installation software • This users’ manual If anything is missing or damaged, please contact Black Box at 724-746-5500.

  • Page 9: Installation

    8-PORT USB HUB 3. Installation 3.1 Installing the Software Insert the included CD-ROM into your PC. Choose Install Software, then install SeaCOM. 3.2 System Installation The screen captures in this manual are taken from a Windows 98 installation. ® Your particular operating system may differ slightly from what is shown based on your version of Windows.
  • Page 10 CHAPTER 3: Installation Figure 3-1. System Properties screen, Device Manager tab. You can access your new COM ports by using the assigned COM identifiers as shown above (in this case, COM12 through COM19). However, this assignment will vary from system to system. At this point, the hardware is recognized and ready to use.

  • Page 11: Configuration

    8-PORT USB HUB 4. Configuration The 8-Port USB Hub arrives with the following configuration: • IC1023A: Contains no user-configurable components. • IC1024A and IC1025A: RS-422 4-wire full-duplex mode selected. Transmitter always enabled. Receiver always enabled and terminated; biased as follows: 120-ohm terminator between RX+ and RX-.
  • Page 12 CHAPTER 4: Configuration Figure 4-1. DIP-switches SW1 through SW4 in default mode. The first two positions for each port (1 and 2 or 7 and 8) are used to select the electrical interface mode. In RS-422 mode, the transmitter and receiver are always enabled.
  • Page 13 8-PORT USB HUB The last four positions for each port (3–6 or 9–12) are used to select the line termination and bias settings. See Table 4-2 for specific switch settings of the three supported electrical interface modes. NOTE This chart also appears on the board’s silkscreen. 1-Kohm pull-down resistor connected to RX-.
  • Page 14 CHAPTER 4: Configuration NOTE There are no provisions for looping TX+ to RX+ and TX- to RX- for 2-wire RS-485 mode. These connections must be made inside the DB9 connector. Refer to the RS-422 pinout diagram in Appendix A for the appropriate pin numbers.

  • Page 15: Troubleshooting

    5.1 Calling Black Box If you determine that your 8-Port USB Hub is malfunctioning, do not attempt to alter or repair the unit. It contains no user-serviceable parts. Contact Black Box at 724-746-5500. Before you do, make a record of the history of the problem. We will be able to...

  • Page 16: Appendix A. Connector Pin Assignments

    APPENDIX A: Connector Pin Assignments Appendix A. Connector Pin Assignments RS-422/485 Table 5-1. RS-422/485 DB9 male. Signal Name Pin # Mode Ground — Transmit Data Positive Output Transmit Data Negative Output RTS+ Request to Send Positive Output RTS- Request to Send Negative Output Receive Data Positive Input...

  • Page 17: Appendix B. Electrical Interface

    8-PORT USB HUB Appendix B. Electrical Interface B.1 RS-232 Quite possibly the most widely used communication standard is RS-232. This implementation has been defined and revised several times and is often referred to as RS-232 or EIA/TIA-232. The IBM ® PC defined the RS-232 port on a DB9 connector and subsequently the EIA/TIA approved this implementation as the EIA/TIA-574 standard.

  • Page 18: B.3 Rs-485

    APPENDIX B: Electrical Interface B.3 RS-485 RS-485 is backwardly compatible with RS-422; however, it is optimized for party line or multi-drop applications. The output of the RS-422/485 driver is capable of being active (enabled) or tri-state (disabled). This capability allows multiple ports to be connected in a multi-drop bus and selectively polled.

  • Page 19: Appendix C. Asynchronous Communication

    8-PORT USB HUB Appendix C. Asynchronous Communication Serial data communication implies that individual bits of a character are transmitted consecutively to a receiver that assembles the bits back into a character. Data rate, error checking, handshaking, and character framing (start/stop bits) are pre-defined and must correspond at both the transmitting and receiving ends.
  • Page 20 APPENDIX C: Asynchronous Communication character. The data rate and communication parameters for asynchronous communication have to be the same at both the transmitting and receiving ends. The communication parameters are baud rate, parity, number of data bits per character, and stop bits (9600, N, 8, 1).
  • Page 21 © Copyright 2003. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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