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Black Box AC815A Manual

Black Box AC815A Manual

4-port student hub
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4-Port Student Hub
CUSTOMER
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
SUPPORT
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
INFORMATION
Web site: www.blackbox.com • E-mail: info@blackbox.com
NOVEMBER 1998
AC815A
AC816A

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  • Page 1 Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 SUPPORT Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 INFORMATION Web site: www.blackbox.com • E-mail: info@blackbox.com...
  • Page 2 4-PORT STUDENT HUBS 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 J of Part 15 of FCC rules, which are designed to provide reasonable protection against such interference when the equipment is...
  • Page 3 4-PORT STUDENT HUBS 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 4-PORT STUDENT HUBS 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.
  • Page 5 4-PORT STUDENT HUBS TRADEMARKS AT and PS/2 are registered trademarks of IBM Corporation. The trademarks mentioned in this manual are the sole property of their owners.

  • Page 6: Table Of Contents

    4-PORT STUDENT HUBS CONTENTS 1. Specifications..........7 1.1 Video .
  • Page 7 4-PORT STUDENT HUBS 6.3.4 Connecting the Com Cable ......31 6.3.5 Connecting the KVM Adapter Cable ....32 6.3.6 Connecting the CPU Adapter Cable .

  • Page 8: Specifications

    4-PORT STUDENT HUBS 1. Specifications 1.1 Video Bandwidth — Not less than 100 MHz High resolution screen — Transfer of up to 1280 x 1024 pixels and full-motion video 1.2 System Keyboard — AT or PS/2 Mouse — Serial or PS/2 1.3 4-Port Student Hub Size —...

  • Page 9: Introduction

    4-PORT STUDENT HUBS 2. Introduction The ClassWork Plus 4-Port Student Hub (4SIU) connects up to four student positions and their CPUs to a single Interface Unit. Compared to the ClassWork Plus Student Interface Unit, the 4SIU solution reduces your need for hardware units by 75%. For example, in a classroom of sixteen students you need just four 4SIUs with one Teacher Interface Unit (TIU).

  • Page 10: Summary Of Abbreviations

    4-PORT STUDENT HUBS 2.2 Summary of Abbreviations • 4SIU: 4-Port Student Hub • TCU: Teacher Control Unit • TIU: Teacher Interface Unit 2.3 How to Use this Manual This manual is divided into four sections: 1. Specifications (Chapter 1). This section contains reference material on technical specifications.

  • Page 11: Overview

    4-PORT STUDENT HUBS 3. Overview This chapter deals with configuring the ClassWork Plus 4-Port Student Hub classroom and summarizing its operation. 3.1 4-Port Student Hub Configuration This section discusses: • What you need for a ClassWork Plus 4-Port Student Hub Classroom. •...

  • Page 12: Sequential Numbering

    Minimize cabling likely to clutter the areas where students walk. • Using Line Boosters—Black Box can preview your sketches, providing general advice and further tips where required. Call Technical Support at 724-746-5500.
  • Page 13 4-PORT STUDENT HUBS Figure 3-1. Sequential Numbering Example.
  • Page 14 4-PORT STUDENT HUBS Sometimes the solution to your layout is met by combining 4-Port Student Hubs with the ClassWork Plus Student Interface Units or the ClassWork Plus Board Version. Call Technical Support for details. Figures 3-2 and 3-3 illustrate two ways to configure a classroom of forty students. Figure 3-2 uses ten 4-Port Student Hubs.
  • Page 15 4-PORT STUDENT HUBS Figure 3-2. ClassWork Plus 4-Port Student Hub Configuration #1.
  • Page 16 4-PORT STUDENT HUBS Figure 3-3. ClassWork Plus 4-Port Student Hub Configuration #2.

  • Page 17: The Stages Of The Installation

    4-PORT STUDENT HUBS 3.5 The Stages of the Installation The order in which you install your ClassWork Plus system depends on common sense and convenience. Every person has his or her way of doing the same thing. Nevertheless, we do recommend the following guidelines: •...

  • Page 18: Additional Guidelines

    4-PORT STUDENT HUBS 3.6 Additional Guidelines • Unpack and then position all the specialized ClassWork Plus equipment at its place of installation. • Affix each 4-Port Student Hub firmly to the top of the desk or table, or ideally to the desk’s underside using brackets. Insert a piece of rubber between the 4-Port Student Hub and the brackets to keep the Hub in place.

  • Page 19: The 4-Port Student Hub (4Siu)

    4-PORT STUDENT HUBS 4. The 4-Port Student Hub (4SIU) This Chapter describes the front and the rear panels of the 4-Port Student Hub. 4.1 The Front Panel Figure 4-1 illustrates the connectors, the indicators, and the DIP switches on the 4-Port Student Hub’s front panel. Table 4-1 describes them. COM Port Active CPU Indicators (DB9 female)

  • Page 20: The Rear-Panel Connections

    4-PORT STUDENT HUBS 4.2 The Rear-Panel Connections Figure 4-2 illustrates the rear panel of the 4-Port Student Hub. Table 4-2 describes the basic hardware connections. STATION 1 STATION 2 STATION 3 STATION 4 COMPUTER 1 COMPUTER 2 COMPUTER 3 COMPUTER 4 Power Connector Figure 4-2.

  • Page 21: Setting The Student Unit Number

    4-PORT STUDENT HUBS ID NUMBER Figure 4-3. The DIP Switches on the 4-Port Student Hub. DIP switches 1 to 6 set the ID Number (see the ClassWork Plus User’s Manual). 4.3.1 S ETTING TUDENT UMBER The Student Unit number is set via a DIP switch, located at the bottom of the box. Use Table 4-3 to set the number.
  • Page 22 4-PORT STUDENT HUBS Table 4-3. DIP-Switch Settings for Student Unit Number. SERIAL MOUSE PS/2 MOUSE...
  • Page 23 4-PORT STUDENT HUBS Table 4-3. DIP-Switch Settings for Student Unit Number (continued). Address Switch Setting...
  • Page 24 4-PORT STUDENT HUBS Table 4-3. DIP-Switch Settings for Student Unit Number (continued). Address Switch Setting You set the ID number on the 4-Port Student Hub using the DIP switches 1 to 6, as follows: AT or PC/AT ID Number Ignore PS/2 or PS/2 PC/AT...

  • Page 25: Setting The Dip Switch For At Or Ps/2

    4-PORT STUDENT HUBS 4.3.2 S DIP S PS/2 ETTING THE WITCH FOR DIP switch 7 is not connected. Ignore it. DIP switch 8 sets the 4-Port Student Hub as follows: • AT: push downwards, or • PS/2: push upwards.

  • Page 26: The Teacher Interface Unit (Tiu)

    4-PORT STUDENT HUBS 5. The Teacher Interface Unit (TIU) This chapter describes the front and the rear panels of the TIU (also called the Instructor Interface Unit). 5.1 The TIU Front Panel Figure 5-1 illustrates the TIU’s front-panel indicators; Table 5-1 describes them. W A IT H E L P P R IN T E R...

  • Page 27: The Rear-Panel Connections

    4-PORT STUDENT HUBS 5.2 The Rear-Panel Connections Figure 5-2 illustrates the TIU’s rear panel. Table 5-2 describes the rear-panel connections. 9VAC POWER AUDIO/PRINT COM. MOUSE SCREEN OUT SCREEN IN SYSTEM SYSTEM CONTROL Figure 5-2. Rear Panel of the Teacher Interface Unit. Table 5-2.

  • Page 28: Setting The Id Number

    4-PORT STUDENT HUBS 5.3.1 S ID N ETTING THE UMBER Always leave the TIU ID number set to 0. Make sure that DIP switches 1 to 6 are all in the up position. ID NUMBER Figure 5-3. Setting the TIU’s ID Numbers 1 to 6. 5.3.2 S DIP S PS/2...
  • Page 29 4-PORT STUDENT HUBS Figure 5-3c. ID Number DIP Switch Figure 5-3d. PS DIP Switch ON.

  • Page 30: Installing The 4-Port Student Hub (4Siu)

    4-PORT STUDENT HUBS 6. Installing the 4-Port Student Hub 6.1 Pre-lnstallation Recommendations • Place cables away from fluorescent lights, air conditioners, and machines that generate electrical noise. • Switch off all CPUs before installing the system. • Switch on the 4-Port Student Hub and the Teacher Interface Unit before you switch on the CPU.

  • Page 31: Connecting The System Cable

    4-PORT STUDENT HUBS To connect the Audio Cable 1. Connect the audio cable’s 8-pin Mini-DIN male audio connector to one of the four 4-Port Student Hub’s 8-pin Mini-DIN female audio ports. 2. Connect the audio cable’s Ear connector to the headphones. 3.

  • Page 32: Connecting The Terminator

    4-PORT STUDENT HUBS To connect the System Cable: 1. Connect one of the system cable’s DB25 male connectors to the Hub #C’s DB25 female system port. 2. Connect the other system cable’s DB25 male connector to the Hub #D’s DB25 female system port. 4-Port Student Hub #D 4-Port Student Hub #C Connect to 4-Port...

  • Page 33: Connecting The Kvm Adapter Cable

    4-PORT STUDENT HUBS 3. Connect the Com 2 cable’s DB9 female connector to the DB9 male Com port on Student #2’s CPU. 4. Connect the Com 3 cable’s DB9 female connector to the DB9 male Com port on Student #3’s CPU. 5.
  • Page 34 4-PORT STUDENT HUBS following, as Figure 6-4 illustrates: 1. Connect the KVM Adapter Cable’s DB25 female station connector to the QIU’s DB25 male station port. 2. Connect the KVM Adapter Cable’s 5-pin DIN female keyboard connector to the keyboard’s 5-pin DIN male connector. 3.

  • Page 35: Connecting The Cpu Adapter Cable

    4-PORT STUDENT HUBS 3. Connect the KVM Adapter Cable’s HD DB15 female screen connector to the screen’s HD DB15 male connector. 4. Connect the KVM Adapter Cable’s 6-pin Mini-DIN female mouse connector to the mouse’s 6-pin Mini-DIN male connector. HD D15 female 6-pin Mini-DIN...
  • Page 36 4-PORT STUDENT HUBS HD D15 male 5-pin DIN DB25 male male female Figure 6-6. The 4-Port Student Hub’s AT CPU Adapter Cable. Connecting the PS/2 CPU Adapter Cable To connect each PS/2 CPU Adapter Cable to the 4-Port Student Hub, do the following, as Figure 6-7 illustrates: 1.

  • Page 37: Connecting The 4Siu To The Power Supply

    4-PORT STUDENT HUBS HD D15 male 6-pin DB25 Mini-DIN male male 6-pin Mini-DIN male Figure 6-7. The 4-Port Student Hub’s PS/2 CPU Adapter Cable. 6.3.7 C ONNECTING THE TUDENT UB TO THE OWER UPPLY There is no Power Switch on a 4-Port Student Hub; unlike the Teacher Interface Unit.
  • Page 38 4-PORT STUDENT HUBS Power Connector #A Power Connector #B Figure 6-8. The 4-Port Student Hub’s Power Supply for USA and Europe. You connect the Power Cord to the Power Supply’s Power Connector #A, which Figure 6-9 illustrates. 1. Connect the Switching Power Supply’s Power Connector #A to the Power Cord’s Power connector.
  • Page 39 4-PORT STUDENT HUBS Power Connector To Wall Socket Figure 6-9. The 4-Port Student Hub’s Power Cord for USA.
  • Page 40 4-PORT STUDENT HUBS Figure 6-10. The 4-Port Student Hub Cable Diagram for AT.
  • Page 41 4-PORT STUDENT HUBS Figure 6-11. The 4-Port Student Hub Cable Diagram for PS/2.

  • Page 42: Installing The Teacher Interface Unit (Tiu)

    4-PORT STUDENT HUBS 7. Installing the Teacher Interface Unit (TIU) This chapter describes connecting the Teacher Position, which includes two groups of items: • The basic computer equipment, including a CPU, a keyboard, a screen, a mouse, and accessories like headphones and speakers. •...

  • Page 43: Preparing The Teacher Interface Unit (Tiu)

    4-PORT STUDENT HUBS You connect the TCU by connecting the control cable between the TCU and the TIU. The control cable is a single cable with two 5-pin DIN male connectors, as Figure 7-2 shows. 5-pin DIN male 5-pin DIN male connector connector Figure 7-2.

  • Page 44: Connecting The Cables To The Tiu

    4-PORT STUDENT HUBS W A IT H E L P P R IN T E R IN S T R U C T IN T E R F A C E U N IT Figure 7-3. The Teacher Interface Unit (TIU). Before connecting the cables to the TIU’s rear panel (see Figure 5-2), you need to set the DIP switches for AT or PS/2 as Section 5.3 describes.

  • Page 45: Connecting The Control Cable

    4-PORT STUDENT HUBS 7.3.1 C ONNECTING THE ONTROL ABLE Refer to the ClassWork Plus User’s Manual . 7.3.2 C ONNECTING THE OUSE ABLE You use the Mouse Cable to connect the TIU to the CPU and the Teacher’s mouse. There is a different Mouse Cable for AT or PS/2, as Figures 7-4 and 7-5 illustrate. To connect the Mouse Cable for AT: 1.

  • Page 46: Connecting The Keyboard Cable

    4-PORT STUDENT HUBS To connect the Mouse Cable for PS/2: 1. Connect the Mouse Cable’s DB9 female connector to the TIU’s DB9 male Mouse port. 2. Connect the Mouse Cable’s 6-pin Mini-DIN female short-portion connector to the mouse’s 6-pin Mini-DIN male connector. 3.
  • Page 47 4-PORT STUDENT HUBS To connect the Keyboard Cable for AT: 1. Connect the keyboard cable’s main DB9 male connector to the TIU’s DB9 female keyboard port. 2. Connect the keyboard cable’s 5-pin DIN female short-portion connector to the keyboard’s 5-pin DIN male connector. 3.

  • Page 48: Connecting The System Cable

    4-PORT STUDENT HUBS DB9 male 6-pin Mini-DIN male 6-pin Mini-DIN female Figure 7-7. The ClassWork Plus Keyboard Cable PS/2. 7.3.4 C ONNECTING THE YSTEM ABLE The system cable, as Figure 7-8 illustrates, consists of a DB25 coaxial cable. You use the same system cable for both AT and PS/2.

  • Page 49: Connecting The Terminator

    4-PORT STUDENT HUBS DB25 male DB25 male Figure 7-8. The System Cable. 7.3.5 C ONNECTING THE ERMINATOR A terminator, which Figure 7-9 illustrates, should be installed at both ends of the system line. A terminator is by definition a connector that includes 75-ohm resistors, which absorb any signals that reach the end of the cable and prevent them reflecting back into the cable and causing interference.

  • Page 50: Connecting The Monitor

    4-PORT STUDENT HUBS DB25 male Figure 7-9. The Terminator. 7.3.6 C ONNECTING THE ONITOR The monitor cable, as Figure 7-10 illustrates, consists of an HD DB15 male connector attached at one end, and an HD DB15 female connector attached at the other end. To connect the screen cable: 1.

  • Page 51: Connecting The Tiu To The Power Supply

    4-PORT STUDENT HUBS HD DB15 male HD DB15 female Figure 7-10. The Screen Cable. 7.4 Connecting the TIU to the Power Supply You connect all the ClassWork Plus 4-Port Student Hub classroom’s hardware items to the power supply, including the basic computer equipment and the specialized ClassWork Plus equipment, as Section 6.3.7 explains.
  • Page 52 4-PORT STUDENT HUBS Connector. For certain destinations, including Italy, Cyprus, and the UK, you require different Power Adapters. To connect the TIU to the Power Supply: 1. Connect the Power Adapter Cable’s plug to the TIU’s 9VAC connector. 2. Connect the Power Cord’s connector to the wall socket. This connects the TIU to the Power Supply.
  • Page 53 © Copyright 1998. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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