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Manual Black Box SW178A

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Summary
  • Black Box SW178A - page 1

    SEPTEMBER 1998 SW178A SW179A Compact Bidir ectional Dual Bus Autoswitches 2 to 2 4 to 2 CUSTOMER SUPPORT INFORMATION 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 Mail order: Black Box Corporation , 1000 Park Drive, La ...

  • Black Box SW178A - page 2

    1 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES TRADEMARKS USED IN THIS MANUAL Centronics is a registered trademark of GENICOM Corporation. DeskJet is a registered trademark of Hewlett-Packard. Zip is a registered trademark of Iomega Corporation. Windows NT is a trademark, and Windows is a registered trademark, of Microsoft Corporation. Any trademark ...

  • Black Box SW178A - page 3

    2 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 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 rad ...

  • Black Box SW178A - page 4

    3 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 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. ...

  • Black Box SW178A - page 5

    4 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 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 ...

  • Black Box SW178A - page 6

    5 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 1. Specifications SW178A SW179A Autoswitch Device Output Ports 2 2 Autoswitch Computer Input Ports 2 4 Cable Type Required Computer to Autoswitch DB25 M/M Device to Autoswitch DB25 M/Centronics ® 36 M Maximum Cable Distance 5 meters Maximum Transfer Rate 2 megabytes/second Number of Device LEDs 2 Compu ...

  • Black Box SW178A - page 7

    6 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 2. Intr oduction 2.1 Description The IEEE 1284 standard interface is found on most printers today. It enables bidirectional communication between the PC and the printer, allowing the printer to send information back to the host PC using its built-in microprocessor. The Compact Bidirectional Dual Bus Aut ...

  • Black Box SW178A - page 8

    7 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 2.2 Function Descriptions 2.2.1 A UTO -L INK M ODE When powering the Autoswitch, you will see the LEDs of the Computer Input Port circularly scanned from LED A to D. The Printer Output Port LEDs will remain lit. Your Autoswitch constantly scans its computer input ports, looking for a job to send to one ...

  • Black Box SW178A - page 9

    8 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES you want to set up. You can press the Printer button several times to cycle through the three level of available choices (PA, PB, or File Transfer). Finish the cycle to go back to Auto-Link Mode. 2.2.3 F ILE T RANSFER M ODE Use the software selection utility to set up the Autoswitch to File Transfer Mod ...

  • Black Box SW178A - page 10

    9 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES two PCs send their jobs to the same output port, the first-come, first-serve rule will follow. 2.3.1 A N E XAMPLE OF S IMULTANEOUS O PERATION WITH THE SW178A NOTE PA is the print device on port PA. PB is the print device on port PB. Computer A sends a print job to PA and Computer B sends a print job to ...

  • Black Box SW178A - page 11

    10 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 3. Quic k Star t Listed below are four easy steps to set up your Autoswitch. 1. Be sure to turn off the power to your computers and printers. 2. Using an IEEE 1284 straight-through DB25 M/M cable, connect your computers to the Autoswitch. 3. Using an IEEE 1284 parallel cable, connect your printer to th ...

  • Black Box SW178A - page 12

    11 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 4. P eripheral-Sharing and File- T ransfer Setup DEVICE PA A Compact Bidirectional Dual Bus Autoswitch DEVICE PB BC PA PB DEVICE COMPUTER A D B C D DEVICE PA A Compact Bidirectional Dual Bus Autoswitch DEVICE PB BC PA PB DEVICE COMPUTER A D B C D DEVICE PA A Compact Bidirectional Dual Bus Autoswitch DE ...

  • Black Box SW178A - page 13

    12 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 4.1 Auto-Link Mode The Autoswitch will constantly scan its input ports and send the job to the selected attached parallel device. The cycle goes from Port A, B, C, D, then A again. 4.2 Manual Mode The Autoswitch has a Select button for manual port selection (Device or Computer). When the Autoswitch is ...

  • Black Box SW178A - page 14

    13 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES • One of the computers has been running parallel- device software that locks the port all the time. If you have any of these problems, try resetting the Autoswitch to default mode: 1. Turn off the Autoswitch. 2. Set DIP switch #1 to the ON position. 3. Turn on the Autoswitch, then turn it off again. ...

  • Black Box SW178A - page 15

    14 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 4.4 Device Out Ports LED Indicator PA & PB LED Remain Lit Auto-Link Mode PA & PB LED are Lit OFF File Transfer Mode 4.5 DIP-Switch Settings ...

  • Black Box SW178A - page 16

    15 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 5. T r oubleshooting 1. Check all the cables. Use IEEE 1284 rated cables. 2. Check the computer BIOS. Make sure that the BIOS parallel setup is set to EPP or EPP/SPP mode for faster data transfer and bidirectional communication. 3. If you’re working with portable drives, the Autoswitch must be in Man ...

  • Black Box SW178A - page 17

    16 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES timeout to a higher value. This is because as the computer processes complex files, it will pause more often. If the pause is longer than the time out window, the Autoswitch will assume that the transmission is over and prematurely finish the job. 5.1 Calling Black Box If you determine that your Autosw ...

  • Black Box SW178A - page 18

    17 COMPACT BIDIRECTIONAL DUAL BUS AUTOSWITCHES 5.2 Shipping and Packaging If you need to transport or ship your Autoswitch: • Package it carefully. We recommend that you use the original container. • If you are shipping the Autoswitch for repair, make sure you include everything that came in the original package. Before you ship, contact Black ...

  • Black Box SW178A - page 19

    1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746 © Copyright 1999. Black Box Corporation. All rights reserved. ...

Manufacturer Black Box Category Switch

Documents that we receive from a manufacturer of a Black Box SW178A can be divided into several groups. They are, among others:
- Black Box technical drawings
- SW178A manuals
- Black Box product data sheets
- information booklets
- or energy labels Black Box SW178A
All of them are important, but the most important information from the point of view of use of the device are in the user manual Black Box SW178A.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Black Box SW178A, service manual, brief instructions and user manuals Black Box SW178A. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Black Box SW178A.

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A complete manual for the device Black Box SW178A, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Black Box SW178A by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Black Box SW178A.

A complete Black Box manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Black Box SW178A - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Black Box SW178A, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Black Box SW178A, that we can find in the current document
3. Tips how to use the basic functions of the device Black Box SW178A - which should help us in our first steps of using Black Box SW178A
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Black Box SW178A
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Black Box SW178A in a specific country, if it was not possible to solve the problem on our own.

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