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Multitech MultiArrayIII MA3a User Manual

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  • Page 1 Server Farm Model MA3a User Guide...
  • Page 2 Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of Multi-Tech Systems, Inc. to notify any person or organization of such revisions or changes.

  • Page 3: Table Of Contents

    Chapter 1 - Introduction and Description Introduction ... 6 Manual Organization ... 7 Technical Specifications ... 8 Dimensions ... 8 Power Supply ... 8 Safety ... 8 Environmental ... 8 Chapter 2 - Installation Quick Start Unpacking ... 10 Safety Warnings ... 10 Pre-Installation Notes ...
  • Page 4 Limited Warranty ... 36 On-line Warranty Registration ... 36 Tech Support ... 37 Recording MultiArray Information ... 37 Service ... 38 The Multi-Tech BBS ... 39 About CompuServe ... 40 About the Internet ... 40 About the Multi-Tech Fax-Back Service ... 40...

  • Page 5: Chapter 1 - Introduction And Description

    Chapter 1 - Introduction and Description...

  • Page 6: Introduction

    For example, combining the first two segments into a 6-slot arrangement allows for a 32-port asynchronous data/fax communications server. The front of the MA3a is shown in Figure 1-1, below.

  • Page 7: Manual Organization

    Manual Organization This manual tells you how to install your MultiArray hardware. For information on the Multi-Tech or third party Pentium Intelligent Serial Interface (ISI) Boards, etc., refer to the user documentation shipped with the board. For information on running software on the MultiArray, refer to the applicable software user documentation, shipped with your software package.

  • Page 8: Technical Specifications

    MultiArray User Guide Technical Specifications The MultiArray conforms to the following specifications: Dimensions Height: 10.75" (27 cm) Width: 19" Depth: 25" Weight: 100 lbs. (45.35 kg) Power Supply AC Input Operating Range: 115-230 VAC 180-270 VAC switch (switch must change on all four power supplies) Frequency: 47-63 Hz Current:...

  • Page 9: Chapter 2 - Installation Quick Start

    Chapter 2 - Installation Quick Start...

  • Page 10: Unpacking

    Unpack and inspect the MultiArray rack for visible shipping damage. If damage is observed, do not power-on the rack; contact Multi-Tech's Tech Support for advice (refer to information on service and support). If no damage is observed, place the rack on a flat, stable surface to begin installation and configuration.

  • Page 11: Pre-Installation Notes

    • If an MS9E is used with the MA3a, it is recommended that a 9-pin serial mouse be used instead of a PS/2 mouse. The PS/2 mouse may exhibit lock-up problems where it needs to be unplugged and plugged back in to work again.

  • Page 12: 9-Pin Dsub Openings

    MultiArray User Guide 9-Pin DSUB Openings If the 9-pin DSUB openings will be used on the upper back panel of the MA3a chassis, the coverplates need to be removed. Use a screwdriver (or similar tool) to punch the metal insert out from the inside.

  • Page 13: Backplane Board

    Chapter 2 - Installation Quick Start Backplane Board The user configurable backplane shown in Figure 2-2 allows you to combine subsegments (2- card slots, i.e., SUB 1 NIC and CPU with SUB2 NIC and CPU) into a 4-slot segment. The first two segments can be combined into a 6-slot segment along with the second and remaining three segments being combined into 4-slot segments.

  • Page 14: Hardware Installation Procedure

    Remove the top cover by loosening the seven retaining screws on the top of the MA3a chassis. Slide the cover towards the back of the chassis until the holes in the cover align with the retaining screw heads.
  • Page 15 Note: Installing SBCs in a 4-slot segment requires an SBC to the left of the bus jumper. Installing SBC Boards Verify SBC board configuration; refer to the hardware configuration and installation section in the SBC user documentation. Remove the slot cover plate on an open slot marked “CPU,” depending on how the backplane is configured, and retain the cover plate mounting screw.

  • Page 16: Internal Sbc Cabling

    Internal SBC Cabling The internal cabling process involves the connection of each individual SBC to the mux card in the MA3a chassis. The mux board connectors are shown in Figure 2-5. Figure 2-5. MA3a Mux Board Connectors The connectors in Figure 2-4 have been labeled with acronyms that designate their segment number and connection type.
  • Page 17 SBC Connections Figure 2-6 shows the two connections between the mux card and the SBC. Figure 2-6. Ribbon Cable Connections In this example, connector SHDD6 (40-pin) connects to the 40-pin hard drive connector on the SBC board installed in segment 6. Connector SFDD6 (34-pin) connects to the 34-pin floppy drive connector on the SBC board (Figure 2-10 shows the connection between the mux card and a hard drive on the same segment).

  • Page 18: Disk Drive Installation

    MultiArray User Guide Disk Drive Installation Installing Drives in the 8-Bay Disk Drive Chassis Open the front door on the rack. Note: Although you can remove the front door for installation purposes, you must replace the door prior to applying power to the unit. Remove the two top front drive chassis mounting screws.
  • Page 19 Select the slot to install the disk drive and slide it into the slot. See Figure 2-8. Figure 2-8. Disk Drive Installation Align the disk drive with the mounting holes in the top of the chassis and secure the drive to the chassis with the four mounting screws provided with the drive.

  • Page 20: 8-Bay Disk Drive Cabling

    (data) cables, and between each drive and the power connectors on the backplane via the Y cables. The mux board connectors are shown in Figure 2-9. Figure 2-9. MA3a Mux Board Connectors The connectors in Figure 2-8 have been labeled with acronyms that designate their segment number and connection type (see the Internal SBC Cabling section for a description).
  • Page 21 If the drive has an IDE interface, connect the other end of the ribbon cable to its associated Mux connector, insuring that pin 1 of the cable mates with pin 1 of the Mux connector. See Figure 2-10. Connect the power cable associated with the SBC to the disk drive ensuring that pin 1 of the cable mates with pin 1 of the drive connector.

  • Page 22: Installing A Disk Drive Into Horizontal Chassis

    MultiArray User Guide Installing a Disk Drive into Horizontal Chassis Your MA3a comes pre-configured with a floppy and CD-ROM drive installed in the combination horizontal drive chassis. The data and power cables from these drives have already been connected. If you wish to add a disk drive, proceed with the following procedure.
  • Page 23 To mount a half height drive in the combination horizontal chassis, the drive has to first be attached to the half height disk drive mounting bracket. To mount the drive to the bracket, place the drive in the bracket and secure it to the four side tabs or the four bottom tabs on the bracket.
  • Page 24 MultiArray User Guide Connect the power cable to the disk drive ensuring that pin 1 of the cable mates with pin 1 of the drive connector. The power cables are a Y-cable with a small connector for a floppy disk drive and large connector for a hard disk drive. See Figure 2-15. Figure 2-15.

  • Page 25: Replacing Cover

    Replacing Cover Align the holes in the cover with the retaining screws on the MA3a chassis. Replace the top cover and slide towards the front of the chassis. Tighten the seven retaining screws.

  • Page 26: External Cabling

    Note 1: Prior to making the external connections, make sure that the chassis cover has been replaced and all retaining screws tightened. Note 2: If you are using the MultiArray in tandem with the Multi-Tech Video/Keyboard/Mouse Switch (model MS9E), refer to the MS9E Owner’s Manual for additional cabling instructions.

  • Page 27: Powering Up

    Powering Up Before powering-on the MultiArray verify the following information: • Verify that both power cords are attached to the unit and to a live AC outlet. Both of the power cords must be plugged in for the system to operate properly. •...
  • Page 28 MultiArray User Guide...

  • Page 29: Chapter 3 - Software Loading

    Chapter 3 - Software Loading...

  • Page 30: Introduction

    MultiArray User Guide Introduction This chapter discusses software options available on the MultiArray. The hardware installation procedures in Chapter 2 of this manual must be performed before starting any software loading or operating procedures. Configuring Multiple SBCs When configuring multiple SBCs from a single floppy disk drive, ensure that the diskette is write- protected or remove the diskette from the disk drive before toggling the BCD display to another segment.
  • Page 31 Chapter 4 - Troubleshooting...

  • Page 32: Troubleshooting

    MultiArray User Guide Troubleshooting The recommended troubleshooting process for the MultiArray is to determine the following results: • Is the rack plugged in and does the wall plug have power. • If power supply ALARM sounds: 1) Check to see if power supply LEDs are ON and fans are running. 2) If power supply LED is OFF, check that power supply is turned on.

  • Page 33: Diagnostic Tests

    Before Calling Technical Support For immediate help in finding and fixing MultiArrayIII problems, record the error condition and call Multi-Tech’s Technical Support Department (refer to Chapter 4 - Troubleshooting Chapter 5 of this manual).
  • Page 34 MultiArray User Guide...

  • Page 35: Chapter 5 - Warranty, Service And Technical Support

    Chapter 5 - Warranty, Service and Technical Support...

  • Page 36: Introduction

    CompuServe and the Internet. Limited Warranty Multi-Tech Systems, Inc. (“MTS”) warrants that its products will be free from defects in material or workmanship for a period of two years from the date of purchase, or if proof of purchase is not provided, two years from date of shipment.

  • Page 37: Tech Support

    Multi-Tech has an excellent staff of technical support personnel available to help you get the most out of your Multi-Tech product. If you have any questions about the operation of this unit, call 1- 800-972-2439. Please fill out the MultiArray information (below), and have it available when you call.

  • Page 38: Service

    MultiArray User Guide Service If your tech support specialist decides that service is required, your MultiArray may be sent (freight prepaid) to our factory. Return shipping charges will be paid by Multi-Tech Systems. Include the following with your MultiArray: •...

  • Page 39: The Multi-Tech Bbs

    The Multi-Tech BBS For customers who do not have Internet access, Multi-Tech maintains a bulletin board system (BBS) that mirrors its FTP site. Information available from the BBS includes new product information, product upgrade files, and problem-solving tips. The phone number for the Multi- Tech BBS is (800) 392-2432 (USA and Canada) or (612) 785-3702 (international and local).

  • Page 40: About Compuserve

    About the Internet Multi-Tech is a commercial user on the Internet, and we retrieve messages from our customers on a periodic basis. If you prefer to receive technical support via the Internet, you can contact Tech Support at the following address: http://www.multitech.com/_forms/email_tech_support.htm...

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