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33

Chapter 4 - Troubleshooting

Diagnostic Tests

The SBC operates much like any stand-alone PC, and the MultiArray will run almost any diskette-
based off-the-shelf diagnostic program. These programs are available at any software re-seller,
and can quickly help isolate component failures.

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 5

 of this manual).

Содержание MultiArrayIII MA3a

Страница 1: ...Server Farm Model MA3a User Guide ...

Страница 2: ...is 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 Record of Revisions Revision Description A Manual Released All pages at revision A 12 7 98 Patents This Product is covered by one or more of the following U S Patent Numbers 5 301 274 5 309 562 5 355 365 5 355 653 ...

Страница 3: ...ardware Installation Procedure 14 Installing PC Boards 14 Internal SBC Cabling 16 Disk Drive Installation 18 8 Bay Disk Drive Cabling 20 Installing a Disk Drive into Horizontal Chassis 22 Replacing Cover 25 Mounting Optional Rails MARAIL 25 External Cabling 26 SBC Board Cabling 26 NIC Cabling 26 ISI Board Cabling 26 Powering Up 27 Chapter 3 Software Loading Introduction 30 Configuring Multiple SBC...

Страница 4: ...pport Introduction 36 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 iv ...

Страница 5: ...Chapter 1 Introduction and Description ...

Страница 6: ...ing disk drives can be independently powered on or off these features will be discussed in more detail later in this guide and in the MultiArray User Guide In addition the muxing feature provides access to the CD ROM and floppy drives via the Binary Coded Decimal BCD display and muxing switch C allowing for smooth software loading on all segments The horizontal drive chassis D contains a 3 floppy ...

Страница 7: ...s with a description of its hardware features The chapter ends with a list of technical specifications Chapter 2 Installation Quick Start Chapter 2 provides the PC board and or disk drive installation procedure rack mounting procedure and cable connections for your MultiArray Chapter 3 Software Loading Chapter 3 discusses some software options available for the MultiArrayIII Chapter 4 Troubleshoot...

Страница 8: ... supplies Frequency 47 63 Hz Current 6A 115V 3A 230 V Fuse 5A 115V 60 Hz 2 5A 230V 50 Hz Efficiency 80 DC Output Output 5V 60A 70A peak 12V 28A 5V 1A 12V 1A Load Regulation 5 5 12 10 5 12 Line Regulation 1 5 12 2 5 12 Transient Time 50ms max Ripple 1 p p Hold Time 16ms min PG Delay 100 500ms after 5V output Safety Over Voltage Protection 120 5 Over Current Protection 130 Environmental Temperature ...

Страница 9: ...Chapter 2 Installation Quick Start ...

Страница 10: ...flat stable surface to begin installation and configuration Save the packing material for possible future use e g return or relocation Safety Warnings 1 Both power cords must be unplugged to remove all power from the chassis Each redundant power supply has it s own power cord and supplies power to various components in the chassis Therefore both power supplies must be powered on for the system to ...

Страница 11: ...y can be configured to meet your particular site requirements The number and type of PC boards and or hard and floppy disk drives CD ROM or tape drive installed in the MultiArray rack varies depending on your site requirements Several configuration considerations should be resolved before the MultiArray is installed Power requirements for each component should be added together to ensure that the ...

Страница 12: ...el 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 The 9 pin connector can then be bolted to the chassis Figure 2 1 shows the 9 pin openings on the back panel of the MA3a 9 Pin DSUB Openings Figure 2 1 9 Pin DSUB Openings ...

Страница 13: ...U CPU CPU CPU NIC NIC NIC NIC NIC NIC NIC NIC NIC P1 P5 P2 P3 P4 1 2 3 4 5 6 7 8 9 Figure 2 2 User Configurable Backplane The four pin molex connectors on the front end of the backplane labeled 1 9 are used to connect power to the drive in the horizontal disk drive chassis 1 and the drives in the 8 bay disk drive chassis 2 9 The associated power cables pre attached are Y cables that allow for conn...

Страница 14: ...ign with the retaining screw heads Lift the cover straight up and set it aside 2 If you are installing boards using the factory default segment configuration shown in Figure 2 4 then proceed to Step 1 of the SBC installation procedure Or To change from 2 slot segments to 4 slot segments Locate a bus jumper circuit board Figure 2 3 and insert it into connector P1 P2 P3 or P4 depending on the segmen...

Страница 15: ...on in the appropriate NIC Owner s Manual 2 Remove the slot cover plate on an open slot marked NIC depending on how the backplane is configured and retain the cover plate mounting screw 3 Install the NIC into the open slot securing it to the chassis with the screw you removed in step 2 See Figure 2 4 4 If you are installing multiple NICs repeat steps 1 3 until all NIC boards have been installed If ...

Страница 16: ... type The three types of connector labels are SHDDn SFDDn and HDDn where n is the segment slot in which the corresponding SBC is installed The S indicates that the connection is between the mux board and the SBC The designation of FDD and HDD relate to the Floppy Disk Drive and Hard Disk Drive connectors accordingly For example SFDD3 would indicate the connector is used to connect the floppy disk ...

Страница 17: ...Pin 1 40 pin Ribbon Cable 13 34 pin Ribbon Cable 15 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 Make all nec...

Страница 18: ...ee Figure 2 7 3 Loosen but do not remove the two rear drive chassis mounting screws See Figure 2 7 Front Drive Chassis Mounting Screw Rear Drive Chassis Mounting Screw Figure 2 7 8 Bay Drive Chassis Mounting Screws 4 Slide the chassis out the front of the MultiArray to the end of the slide travel 5 If any disk drives are installed in the 8 bay disk drive chassis remove the ribbon data and power ca...

Страница 19: ...sis with the four mounting screws provided with the drive Two mounting screws in the top of the disk drive and two in the bottom 9 Continue installing disk drives until complete 10 Slide the 8 bay disk drive chassis partially into the MultiArray while guiding the bottom of the chassis frame into the two plastic guides on the floor of the chassis area Secure the chassis slides with the two rear cha...

Страница 20: ...te their segment number and connection type see the Internal SBC Cabling section for a description The information in this section details the disk drive connections For information on the SBC connections refer to the SBC Cabling section of this guide Hard Drive Connections 1 Connect the ribbon data cable supplied with the MultiArray to the data connector on the hard drive ensuring that pin 1 of t...

Страница 21: ...led on the backplane The power cable for segment 1 is labeled 1 The two power cables associated with segment 3 are labeled as subsegment 1 power cable being labeled as 4 and subsegment 2 power cable being labeled as 5 12V 5V 5V 12V 12V 5V 5V 12V Segment 5 Segment 4 Segment 3 Segment 2 Segment 1 CPU CPU CPU CPU CPU CPU CPU CPU CPU NIC NIC NIC NIC NIC NIC NIC NIC NIC P1 P5 P2 P3 P4 1 2 3 4 5 6 7 8 9...

Страница 22: ...2 Loosen but do not remove the two top rear chassis mounting screws See Figure 2 12 3 Slide the chassis out the front of the MultiArray to the end of the slide travel Front Drive Chassis Mounting Screw Rear Drive Chassis Mounting Screw Figure 2 12 Combination Horizontal Chassis Mounting Screws 4 Remove the ribbon data and power cables from the installed disk drives 5 Remove the two rear chassis mo...

Страница 23: ...he two rear chassis mounting screws Keep the chassis extended as far out of the MultiArray as possible for ease of connecting cables to the devices 9 Connect one end of the 9 ribbon data cable supplied with the MultiArray to the data connector on the device ensuring that pin 1 of the cable mates with pin 1 of the device See Figure 2 14 Caution Disk drives with IDE interfaces can be connected to th...

Страница 24: ...U CPU CPU NIC NIC NIC NIC NIC NIC NIC NIC NIC P1 P5 P2 P3 P4 1 2 3 4 5 6 7 8 9 Hard or Floppy Drive Drive Figure 2 15 Y Power Cable Note The Y cables are labeled from one to nine on all three connectors on each cable The power cables are associated with the subsegments of the five segments labeled on the backplane The power cable for segment 1 is labeled 1 12 Reconnect the data cables to the flopp...

Страница 25: ...wards the front of the chassis Tighten the seven retaining screws Mounting Optional Rails MARAIL If you are installing the MultiArray in a standard rack enclosure perform the following steps to install the optional mounting rails prior to cabling and power up 1 Attach the left hand rail Figure 2 18 to the left side of the rack using the five 10x32 mounting screws 2 Attach the right hand rail to th...

Страница 26: ...eo connector COM 1 connector Keyboard connector Refer to the Pentium SBC Owner s Manual for more information on the SBC board connectors and cabling NIC Cabling Since there are a number of network protocols e g Ethernet as well as various NIC media supported UTP coax etc the list of connections may vary A typical set of bracket side connectors for an Ethernet connection are Coax BNC connector UTP ...

Страница 27: ...een powered refer to the Power Up Notes that follow prior to loading any software Power Up Notes Note 1 For the CD ROM and Floppy drives to be initialized on each SBC toggle the BCD display to match the segment Power on that segment Once it has booted change the BCD display to the next segment and power it on Continue this process until all populated segments are on Note 2 If the disk is changed i...

Страница 28: ...28 MultiArray User Guide ...

Страница 29: ...Chapter 3 Software Loading ...

Страница 30: ...le 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 If the diskette is not write protected or removed from the disk drive the diskette may get corrupted when the BCD display is toggled from one segment to the other Software Documentation Operating procedures consist of load...

Страница 31: ...Chapter 4 Troubleshooting ...

Страница 32: ...ct Tech Support for assistance in returning unit refer to Chapter 5 If intermittent problems with SBCs SBC will not power up correctly or fans seem to be slowing down check the following 1 Check that the disk drive cables are connected correctly pin 1 to pin 1 red line on all cables from SBC to mux board 2 Check that other SBC cables are connected correctly 3 If cabled correctly and a problem stil...

Страница 33: ...d off the shelf diagnostic program These programs are available at any software re seller and can quickly help isolate component failures 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 5 of this manual ...

Страница 34: ...34 MultiArray User Guide ...

Страница 35: ...Chapter 5 Warranty Service and Technical Support ...

Страница 36: ...ED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED This warranty does not apply to any products which have been damaged by lightning storms water or power surges or which have been neglected altered abused used for a purpose other than the one for which they were manufactured repaired by the customer or any party without MTS s written authorization or used ...

Страница 37: ...nal link device that is connected to your ProxyServer before calling tech support Also note the status of your MultiArray including screen messages diagnostic test results problems with a specific application etc Use the space below to note the MultiArray status ________________________________________________________________________________________________________ ________________________________...

Страница 38: ...the MultiArray is out of warranty Check with your technical support specialist for the standard repair charge for your MultiArray if possible note the name of the technical support specialist with whom you spoke If you need to inquire about the status of the returned product be prepared to provide the serial number of the product sent Send your MultiArray to this address MULTI TECH SYSTEMS INC 220...

Страница 39: ...ews For help on menu commands type To Download a file If you know the file name 1 From the Main Menu type F to access the Files Menu then type D 2 Enter the name of the file you wish to download from the BBS 3 If a password is required enter the password 4 Answer Y or N to the automatic logoff question 5 Select a file transfer protocol by typing the indicated letter such as Z for Zmodem the recomm...

Страница 40: ...ernet 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 Multi Tech s presence includes a Web site at http www multitech com and an ftp site at ftp ftp multitech com About ...

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