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Black Box SW981A manual

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Table of contents for the manual

  • Page 1

    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, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com MARCH 200[...]

  • Page 2

    1 FCC/IC/CE ST A TEMENTS FEDERAL COMMUNICA TIONS COMMISSION AND INDUSTR Y CANADA RADIO-FREQUENCY INTERFERENCE ST A TEMENTS 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.[...]

  • Page 3

    2 LOCAL/REMOTE ELECTRONIC SWITCHES NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY ST A TEMENT 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 [...]

  • Page 4

    3 NOM ST A TEMENT , TRADEMARKS 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 receptá[...]

  • Page 5

    4 LOCAL/REMOTE ELECTRONIC SWITCHES Contents Chapter Page 1. Specifications ............................................................................................. 5 2. Introduction ............................................................................................... 7 3. Installation and Configuration ...............................[...]

  • Page 6

    5 CHAPTER 1: Specifications 1. Specifications Compliance — FCC Part 15 Subpart J Class A, IC Class/classe A Data Rate — Up to 256 kbps typical; higher speeds possible with careful consideration of cabling and equipment requirements User Controls — All models: Remote switching either through TTL, RS-232, RS-422/485, or other active drivers or [...]

  • Page 7

    6 LOCAL/REMOTE ELECTRONIC SWITCHES Remote Input Logic Levels — V IH greater than 2.5 volts, maximum +15 volts; V IL less than 0.5 volts, minimum –15 volts NOTE For dry-contact operation, the total external- connection DC resistance must be less than 240 ohms when the dry contact is closed for the Local/Remote Electronic Switch to correctly read[...]

  • Page 8

    7 CHAPTER 2: Introduction 2. Introduction Switching between data lines manually can often damage the connected equipment, because this relatively slow and imprecise action can cause data-line surges and spikes large enough to damage today’s sensitive circuitry. With the Local/Remote Electronic Switches, you can eliminate this potential hazard. Th[...]

  • Page 9

    8 LOCAL/REMOTE ELECTRONIC SWITCHES 3. Installation and Configuration 3.1 Before Y ou Install Check the box and its contents before you begin installing your Local/Remote Electronic Switch. You should have received one Switch unit, one AC power supply, and one copy of this manual. If you didn’t receive all of these items, or if they have sustained[...]

  • Page 10

    9 CHAPTER 3: Installation and Configuration 3.2 The Setup Procedure Installing and configuring a Local/Remote Electronic Switch is relatively quick and easy, and will vary only slightly depending on which model you’ve chosen. Follow these steps: (Steps 1 through 4 are for remotely switched applications only:) 1. Make sure that the Switch is unplu[...]

  • Page 11

    10 LOCAL/REMOTE ELECTRONIC SWITCHES Figure 3-1. PCB layout of the SW980 models. W1 A B C REAR FRONT TB1[...]

  • Page 12

    11 CHAPTER 3: Installation and Configuration Figure 3-2. PCB layout of the SW981 models. W1 A B C REAR FRONT TB1[...]

  • Page 13

    12 LOCAL/REMOTE ELECTRONIC SWITCHES Figure 3-3. PCB layout of the SW982 models. W3 TB1 W2 A B C A B C FRONT REAR[...]

  • Page 14

    13 CHAPTER 3: Installation and Configuration (text continued from page 9) 3. If you will be performing remote switching using a cable that is unterminated at the Switch end, attach the cable’s wires to the appropriate positions of the 4-position terminal block labeled “TB1” (refer to Figures 3-1 through 3-3 on pages 10 through 12 and to Table[...]

  • Page 15

    14 LOCAL/REMOTE ELECTRONIC SWITCHES Figure 3-5. Rear panel of the SW981 models. Figure 3-6. Rear panel of the SW982 models. D E A B C REMOTE SERIAL P ARALLEL AA BB A B SERIAL P ARALLEL REMOTE[...]

  • Page 16

    15 CHAPTER 3: Installation and Configuration 6. Set the DIP switch(es) as appropriate for your application. Refer to Table 3-1 and Figure 3-7 below, and keep in mind that OFF = UP and ON = DOWN. T able 3-1. Possible Settings for Switches S2 and S3 All 25 leads of the Local/Remote Electronic Switch’s DB25 connectors are straight- through and are i[...]

  • Page 17

    16 LOCAL/REMOTE ELECTRONIC SWITCHES 7. Put the Switch in the site you’ve selected. 8. Shut off the equipment you plan to connect to the Switch. 9A. SW980 and SW982 units only: Connect the cable from the “common” device (the one that’s going to access — or be shared by — the other devices) to the common connector (marked “C”) on the [...]

  • Page 18

    17 CHAPTER 4: Operation 4. Operation 4.1 Local Switching 4.1.1 ABC AND ABCDE S WITCHES (SW980 AND SW982 U NITS ) Refer to Figure 4-1 below: Test your Local/Remote Electronic Switch system by having the common device send data to, or receive data from, branch devices “A” and “B” (and, for SW982 units, “D” and “E”), one after the othe[...]

  • Page 19

    18 LOCAL/REMOTE ELECTRONIC SWITCHES 4.1.2 X S WITCHES (SW981 U NITS ) Refer to Figure 4-2 below: Test your Local/Remote Electronic Switch system by having each source device (“A” and “B”) send data to each destination device (“AA” and “BB”), one after the other. Switch between data pathways by manually turning the knob on the Switch[...]

  • Page 20

    19 CHAPTER 4: Operation 4.2 Remote Switching When you do remote switching, keep these things in mind: • The knob on the Switch’s front panel must be in the “REMOTE” position. • The Switch interprets any voltage more negative than approximately 1.4 volts as a “low” and any voltage more positive than approximately 1.4 volts as a “high[...]

  • Page 21

    20 LOCAL/REMOTE ELECTRONIC SWITCHES T able 4-1. Connector Pinouts and Signal Levels for Port Selection with the ABC Switch (SW980 Models) or Path Selection with the X Switch (SW981 Models) Pinout of the RJ-45 Connector 1N / C 2N / C 3N / C 4 Remote input 5 +5 VDC output 6 Signal ground 7N / C 8N / C Pinout of the 4-Position Terminal Block 1 Signal [...]

  • Page 22

    21 CHAPTER 4: Operation T able 4-2. Connector Pinouts and Signal Levels for Port Selection with the ABCDE Switch (SW982 Models) Pinout of the RJ-45 Connector 1N / C 2 Reserved for future use 3 Remote input B 4 Remote input A 5 +5 VDC output 6 Signal ground 7N / C 8N / C Pinout of the 4-Position Terminal Block 1 Signal ground 2 Remote input B 3 Remo[...]

  • Page 23

    22 LOCAL/REMOTE ELECTRONIC SWITCHES 4.3 T est Results If data doesn’t seem to be getting through when a device on one side of the Switch is connected to a device on the other side of the Switch, make sure that: • Both devices are turned on and receiving power. • The Switch is receiving power (its “POWER” LED should be lit). • The Switch[...]

  • Page 24

    23 CHAPTER 5: T roubleshooting 5. T roubleshooting 5.1 Calling Black Box If you determine that your Local/Remote Electronic Switch is malfunctioning, do not attempt to alter or repair the unit . It contains no user-serviceable parts. Call Black Box Technical Support at 724-746-5500. Before you do, make a record of the history of the problem. We wil[...]

  • Page 25

    NOTES[...]

  • Page 26

    1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746 © Copyright 2000. Black Box Corporation. All rights reserved.[...]