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Black Box IC500A Manual

Black Box IC500A Manual

Scsi fiber optic bus extenders
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IC500A
7/12/00
12:38 PM
SCSI Fiber Optic Bus Extenders
CUSTOMER
SUPPORT
INFORMATION
Page 901
E R
N D
X T E
C E
P T I
R O
I B E
S I F
S C
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
DECEMBER 1998
IC500A
IC501A
X
C O A
R
F IB E
E R
K
L IN
P O W
T
T E S
F
S E L
E
C T IV
T
K A
T E S
L IN
IV E
A C T
B U S
R O R
K E R
L IN

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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 SUPPORT FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 INFORMATION Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...
  • Page 2 IC500A 7/12/00 12:38 PM Page 1 TRADEMARKS TRADEMARKS USED IN THIS MANUAL Windows NT is a trademark, and Windows is a registered trademark, of Microsoft Corporation. UL is a registered trademark of Underwriters Laboratories Incorporated. Any trademarks mentioned in this manual are acknowledged to be the property of...
  • Page 3 IC500A 7/12/00 12:38 PM Page 2 SCSI FIBER OPTIC BUS EXTENDERS FEDERAL COMMUNICATIONS COMMISSION CANADIAN DEPARTMENT OF COMMUNICATIONS 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.
  • Page 4 IC500A 7/12/00 12:38 PM Page 3 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.
  • Page 5 IC500A 7/12/00 12:38 PM Page 4 SCSI FIBER OPTIC BUS EXTENDERS 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...

  • Page 6: Table Of Contents

    IC500A 7/12/00 12:38 PM Page 5 TABLE OF CONTENTS Contents Chapter Page 1. Specifications ..........................6 2. Introduction ..........................8 Description........................8 Features ..........................8 3. Installation ..........................11 Unpacking Your Extender ..................11 AC Line Voltage......................11 Placement........................11 Cable Recommendations ....................11 Connecting the SCSI Fiber Optic Bus Extender to the SCSI Bus ......12 Ensuring Proper SCSI Bus Termination ..............12...

  • Page 7: Specifications

    Asynchronous and synchronous compatible Conforms to ANSI X3.131 and X3T9.2 specifications SCSI 1, 2, and SCSI 3 compatible Resettable internal TERMPWR fuse IC500A..............Single-ended SCSI Maximum Cable Length......19.7 feet (6 meters) Maximum Slew Rate ........3 ns Active Internal Bus Termination IC501A..............Differential SCSI Maximum Cable Length......82 feet (25 meters)
  • Page 8 IC500A 7/12/00 12:38 PM Page 7 CHAPTER 1: Specifications Serial-Port Interface—SCSI Fiber Optic Bus Extender Control Data Rate ..............9600/19200 baud Mode ..............No parity, 8 bits, 1 stop bit Maximum Cable Length ........50 feet (15 meters) Rear-Panel Connector ..........DB9 female Serial-Port Interface—Extension Data Rate ..............1200 bps to 112 kbps...

  • Page 9: Introduction

    IC500A 7/12/00 12:38 PM Page 8 SCSI FIBER OPTIC BUS EXTENDERS 2. Introduction 2.1 Description The SCSI Fiber Optic Bus Extender lets you surpass the distance limitation of the single-ended and differential SCSI bus. The SCSI bus is one of the most popular interfaces used to connect additional devices to a computer system.
  • Page 10 IC500A 7/12/00 12:38 PM Page 9 CHAPTER 2: Introduction • Fiber-channel-compatible optical link • Standard SC connectors • Internal bus termination • No additional software required • Advanced SCSI Fiber Optic Bus Extender Control software for remote control • Transparent to the SCSI system •...
  • Page 11 IC500A 7/12/00 12:38 PM Page 10 SCSI FIBER OPTIC BUS EXTENDERS The SCSI Fiber Optic Bus Extender also contains a universal power-cord receptacle, and it auto-switches any AC input voltage between 100 and 240 VAC.

  • Page 12: Installation

    The Extender can be externally connected to any AC input voltage between 100 and 240 volts. Unless otherwise specified, the Extender will be shipped with a 110- volt power cord. Black Box offers a complete source of replacement power cords for most countries and appropriate voltages.

  • Page 13: Connecting The Scsi Fiber Optic Bus Extender To The Scsi Bus

    SCSI Fiber Optic Bus Extender. You may install the SCSI Fiber Optic Bus Extender at any point on the SCSI bus. The IC501A can be operated with another IC501A or an IC500A. 3.6 Ensuring Proper SCSI Bus Termination SCSI buses require proper termination to ensure reliable operation.

  • Page 14: Connecting A Db9 Coax Cable

    IC500A 7/12/00 12:38 PM Page 13 CHAPTER 3: Installation Figure 3-1. Installing SC Fiberoptic Plugs. SCSI F EMOTE IBER PTIC XTENDER For proper operation, the fiberoptic transmitter (XMT) on the local unit must be connected to the remote fiberoptic receiver (RCV), and the local fiberoptic receiver (RCV) must be connected to the remote fiberoptic transmitter (XMT).

  • Page 15: Verify Communications

    IC500A 7/12/00 12:38 PM Page 14 SCSI FIBER OPTIC BUS EXTENDERS NOTE Make sure that the connector is installed in the Coax Interface and not the Serial Interface. Damage to the internal circuitry may result from an improper connection. 3.9 Verify Communications Turn on AC power to both SCSI Fiber Optic Bus Extenders and verify that the Link Active indicators are lit.

  • Page 16: Operator Controls And Indicators

    IC500A 7/12/00 12:38 PM Page 15 CHAPTER 4: Operator Controls and Indicators 4. Operator Controls and Indicators 4.1 AC Switch The Extender’s power switch is located on the rear panel. NOTE Always turn on the SCSI Fiber Optic Bus Extender before turning on SCSI devices and computers.

  • Page 17: Front-Panel Keypad

    IC500A 7/12/00 12:38 PM Page 16 SCSI FIBER OPTIC BUS EXTENDERS 4.3 Front-Panel Keypad The front-panel keypad selects the SCSI Fiber Optic Bus Extender interface and test modes. Fiber—Selects the fiberoptic link as the communications interface. Coax—Selects the coaxial link as the communications interface.

  • Page 18: Interfacing Requirements

    NDED IBER PTIC XTENDER The IC500A supports a maximum cable length of 19.7 feet (6 meters) at standard SCSI data rates (5 Mbps, narrow), or 9 feet (2.7 meters) at “Fast” SCSI data rates (10 Mbps). 5.1.2 D SCSI F...

  • Page 19: Internal/External Terminator Options

    IC500A 7/12/00 12:38 PM Page 18 SCSI FIBER OPTIC BUS EXTENDERS 5.2 Internal/External Terminator Options The SCSI Fiber Optic Bus Extender contains internal SCSI bus termination to improve the cable-matching characteristics between multiple SCSI devices. Each SCSI Fiber Optic Bus Extender requires a terminator either internally selected or externally connected.

  • Page 20: Selecting Internal Terminator Power

    IC500A 7/12/00 12:38 PM Page 19 CHAPTER 5: Interfacing Requirements 5.4 Selecting Internal Terminator Power Internal SCSI Fiber Optic Bus Extender termination can be powered by internal 5- volt power or externally from the SCSI bus TERMPWR line. Depending on system applications, it may be advantageous to power the internal terminators by the SCSI peripheral or computer.

  • Page 21: Internal Rs-232 Jumper Block

    IC500A 7/12/00 12:38 PM Page 20 SCSI FIBER OPTIC BUS EXTENDERS 5.6 Internal RS-232 Jumper Block NOTE To access jumper options, remove the two rear-panel screws and slide the top cover off the Extender. Jumper block E7 through E10 configures the RS-232 interface for normal and null- modem serial cables.

  • Page 22: Rs-232 Remote Operation Commands

    IC500A 7/12/00 12:38 PM Page 21 CHAPTER 5: Interfacing Requirements Table 5-2. SCSI Fiber Optic Bus Extender Box Selection Sel 2 Sel 1 Sel 0 Box No: Sel 2 Sel 1 Sel 0 Box No: 5.8 RS-232 Remote Operation Commands The SCSI Fiber Optic Bus Extender can be controlled via the RS-232 interface using simple ASCII control characters.
  • Page 23 IC500A 7/12/00 12:38 PM Page 22 SCSI FIBER OPTIC BUS EXTENDERS Table 5-3. List of Commands Command Command Example Response Character Select Coax <CR>//|C<CR> Select Fiber <CR>//|F<CR> Lock Front Panel <CR>//|L<CR> Unlock Front Panel <CR>//|U<CR> Zero self-test and link test statistics <CR>//|Z<CR>...

  • Page 24: Ascii Character Reference For Scsi Fiber Optic Bus Extender Box Selection

    IC500A 7/12/00 12:38 PM Page 23 CHAPTER 5: Interfacing Requirements d. Report Test Statistics command: <CR>//|T<abcdefgh><CR> report: ab: # of link tests performed cd: # of link tests failed ef: # of self-tests performed gh: # of self-tests failed e. Report Status command: <CR>//|S<abcdefgh><CR>...

  • Page 25: Windows Software

    IC500A 7/12/00 12:38 PM Page 24 SCSI FIBER OPTIC BUS EXTENDERS 5.10 Windows Software Your SCSI Fiber Optic Bus Extender is supplied with Windows ® 3.1, Windows 95, and Windows NT™ compatible software to allow remote control of the SCSI Fiber Optic Bus Extender.

  • Page 26: Rack Mount Installation

    IC500A 7/12/00 12:38 PM Page 25 CHAPTER 5: Interfacing Requirements 5.11.2 U SCSI F RS-232 S SING THE IBER PTIC XTENDER ERIAL NTERFACE To operate in this configuration, external modems must be used to convert the each RS-232 serial port into a RS-485 interface. This RS-485 interface is then daisychained to each SCSI Fiber Optic Bus Extender.

  • Page 27: Fiberoptic Cable Requirements

    IC500A 7/12/00 12:38 PM Page 26 SCSI FIBER OPTIC BUS EXTENDERS 3. Make sure that mounting the SCSI Fiber Optic Bus Extender in a rack does not cause a hazardous condition due to uneven mechanical loading. 4. Make sure that adding the Extender doesn’t overload the rack’s power circuit.

  • Page 28: Operation

    IC500A 7/12/00 12:38 PM Page 27 CHAPTER 6: Operation 6. Operation 6.1 SCSI Fiber Optic Bus Extender Operation The SCSI Fiber Optic Bus Extender converts SCSI data and command information into a high-speed (1.06-GHz) serial data stream which is transmitted over a fiberoptic interface to another remote SCSI Fiber Optic Bus Extender.
  • Page 29 IC500A 7/12/00 12:38 PM Page 28 SCSI FIBER OPTIC BUS EXTENDERS Computer 30 to 10,000' Fiberoptic Link SCSI Channel A Disk Drive Extender Extender SCSI Channel B CD-ROM Tower Disk Drives Tape Drive Figure 6-1. Alternate System Configuration.

  • Page 30: Scsi Technical Information

    IC500A 7/12/00 12:38 PM Page 29 CHAPTER 7: SCSI Technical Information 7. SCSI Technical Information 7.1 SCSI Basics SCSI-1 The original specification supports data transfers up to 5 MB per second on an 8- bit wide parallel data bus. SCSI 1 standards had some incompatibility problems between host adapters and peripheral devices.

  • Page 31: Scsi Installation Tips

    IC500A 7/12/00 12:38 PM Page 30 SCSI FIBER OPTIC BUS EXTENDERS by varying manufacturers’ peripheral devices. SCSI terminators compensate for these inherent impedance mismatches on a SCSI bus where peripheral devices such as hard drives, CD-ROM drives, scanners, or printers are used.

  • Page 32: Scsi Interface Signal Descriptions

    IC500A 7/12/00 12:38 PM Page 31 CHAPTER 7: SCSI Technical Information Turn on your SCSI devices before you turn on the computer. Some SCSI devices will not mount if they are not running when you power up your computer. Shutting down your computer first and then the attached SCSI devices allows your system to completely “flush”...
  • Page 33 IC500A 7/12/00 12:38 PM Page 32 SCSI FIBER OPTIC BUS EXTENDERS Table 7-1. IC500A SCSI Connector Assignments Single-Ended/8-Bit SCSI (Narrow) Connector Pin Number Connector Pin Number Signal Name Shielded Signal Name Shielded -DB(0) GROUND -DB(1) GROUND -DB(2) GROUND -DB(3) GROUND...
  • Page 34 IC500A 7/12/00 12:38 PM Page 33 CHAPTER 7: SCSI Technical Information Table 7-2. IC500A SCSI Connector Assignments Single-Ended/16-Bit SCSI (Wide) Signal Name Pin Number Signal Name Pin Number GROUND -DB12 GROUND -DB13 GROUND -DB14 GROUND -DB15 GROUND -DBP1 GROUND -DB0...
  • Page 35 IC500A 7/12/00 12:38 PM Page 34 SCSI FIBER OPTIC BUS EXTENDERS Table 7-3. IC501A. SCSI Connector Assignments Differential/8-Bit SCSI (Narrow) Connector Pin Number Connector Pin Number Signal Name Shielded Signal Name Shielded GROUND GROUND -DB(0) +DB(0) -DB(1) +DB(1) -DB(2) +DB(2)
  • Page 36 IC500A 7/12/00 12:38 PM Page 35 CHAPTER 7: SCSI Technical Information Table 7-4. IC501A. SCSI Connector Assignments Differential/16-Bit SCSI (Wide) Signal Name Shielded Signal Name Shielded -DB(12) +DB(12) -DB(13) +DB(13) -DB(14) +DB(14) -DB(15) +DB(15) -DB(P1) +DB(P1) GROUND GROUND -DB(0) +DB(0)
  • Page 37 IC500A 7/12/00 12:38 PM Page 900 © 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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