Exabyte EXB-8500 Installation And Operation Manual
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Exabyte EXB-8500 Installation And Operation Manual

8mm cartridge tape subsystems
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  • Page 1 (;% DQG (;%F PP &DUWULGJH 7DSH 6XEV\VWHPV ,QVWDOODWLRQ DQG 2SHUDWLRQ 306216-000...
  • Page 2 Copyright Copyright 1993 by Exabyte Corporation. All rights reserved. This item and the information contained herein are the property of Exabyte Corporation. No part of this document may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into...
  • Page 3 When properly installed with a shielded enclosure, shielded cable, and adequate grounding the of the SCSI bus and the input power, the EXB-8500 and EXB-8500c meet the following safety standards: UL Standard 1950, 1st Edition, Information Technology Equipment; CAN/CSA Standard C22.2 No. 950-M-89, Safety of Information Technology Equipment;...
  • Page 4 Exabyte. Repair by other than Exabyte’s personnel or agent in a manner contrary to the maintenance instructions provided by Exabyte. Removal of the Exabyte serial number tag.

  • Page 5: Table Of Contents

    Appendix B Tape Drive Specifications ..42 Index ......43 December 1993 EXB-8500/EXB-8500c...
  • Page 6 EXB-8500/EXB-8500c 306261...

  • Page 7: Welcome

    “c” on the EXB-8500c’s front panel unload button. The EXB-8500 provides up to 5.0 GBytes of data storage capacity on a single, standard 112m EXATAPE™ 8mm Data Cartridge. Using an average data compression ratio of 2:1, the EXB-8500c can store up to 10.0 GBytes of data...

  • Page 8: About This Guide

    For More Information For tape drive specifications, refer to the EXB-8500 and EXB-8500c 8mm Cartridge Tape Subsystems Product Specification (510200). For information about programming SCSI commands for the tape drive, refer to the EXB-8500 8mm Cartridge Tape Subsystem User’s Manual...

  • Page 9: Installing The Tape Drive

    Depending on your installation requirements, or brackets, four can be used to mount the tape drive. #6-32 screws, screwdriver Flat-nose Can be used to remove the R-packs from a wiring pliers single-ended tape drive. See page 15. December 1993 EXB-8500/EXB-8500c...

  • Page 10: Unpacking The Tape Drive

    Follow these procedures to protect the tape drive from electrostatic discharge (ESD): Leave the tape drive in its antistatic bag until you are ready to install it. Use an antistatic mat and grounded static protection wristband. If a mat and wristband are unavailable, EXB-8500/EXB-8500c 306261...

  • Page 11: Setting The Scsi Id

    OR of the two settings. For example, if the remote switch is set for SCSI ID 1 and the DIP switches are set for SCSI ID 2, the actual SCSI ID will be 3. December 1993 EXB-8500/EXB-8500c...
  • Page 12 ID for your configuration. Figure 2 shows the settings for SCSI IDs 0 through 7. Make sure that the remote switch or jumpers are set to SCSI ID 0. Figure 1 SCSI ID DIP switches and jumper block EXB-8500/EXB-8500c 306261...
  • Page 13 SCSI ID for your configuration. Figure 3 shows how to position the jumpers for SCSI IDs 0 through 7. Make sure that the DIP switches are set to SCSI ID 0. Figure 3 Jumper settings for the tape drive’s SCSI ID December 1993 EXB-8500/EXB-8500c...

  • Page 14: Preparing The Tape Drive For The Scsi Bus

    Figure 3. Note: For specific information about pin assignments for the SCSI ID jumper block, refer to the EXB-8500 and EXB-8500c Product Specification. Preparing the Tape Drive for the SCSI Bus The SCSI bus that you attach the tape drive to must be terminated correctly to ensure proper operation.
  • Page 15 Optional External Termination If desired, you can terminate the single-ended tape drive externally by removing the R-packs from the back of the tape drive and installing an external terminator. Exabyte recommends a Methode Electronics, Inc. dataMate DM103-02-0 single-ended external terminator.
  • Page 16 The tape drive uses two 10-pin, 9-resistor R-pack terminators, rated at 110 ohms. Replacement R-packs are available from Exabyte (part number 002228). Terminating a Differential Tape Drive The differential tape drive does not include internal terminators.

  • Page 17: Installing The Tape Drive In A Pc Drive Bay

    Remove the cover plate(s) from the drive bay(s) you intend to use. Refer to your computer owner’s manual for instructions. Note: For some computers you may need to use two half-high drive bays to accommodate the tape drive. December 1993 EXB-8500/EXB-8500c...
  • Page 18 Use #6 32 screws to attach two slide rails to the sides of the tape drive (see Figure 6). The tapered end of each rail should point toward the rear of the tape drive. Figure 6 Attaching the slide rails to the tape drive EXB-8500/EXB-8500c 306261...
  • Page 19 Or, use an M3-0.5 6 mm self-tapping screw to connect the wire to the grounding hole. The ground tab and grounding hole are shown in Figure 8. December 1993 EXB-8500/EXB-8500c...

  • Page 20: Performing The Initial Power On

    Tape Drive Stored for Less Than Six Months If the tape drive has been stored for less than six months, the only step you need to perform for the initial power-on is to apply power to the tape drive. EXB-8500/EXB-8500c 306261...
  • Page 21 Set the write-protect switch to write enabled (see page 26). Press the unload button on the front of the tape drive. Insert the data cartridge with the label side up and the write-protect switch facing you. December 1993 EXB-8500/EXB-8500c...
  • Page 22 (whichever is greater). Note: If errors occur, reset the tape drive and repeat steps 5 though 7 as appropriate. If the error recurs, contact your vendor. When you have completed step 7, the tape drive is ready for normal operation. EXB-8500/EXB-8500c 306261...

  • Page 23: Operating The Tape Drive

    Setting the write-protect switch on the data cartridge Loading and unloading a data cartridge Figure 9 shows the controls and indicators on the front panel of the EXB-8500c. (The front panel of the EXB-8500 is the same except that it has no “c” on the unload button.)
  • Page 24 Refer to page 27 for information about clearing servo errors. CRC failures occur only within the first two seconds after a power-on reset. An unrecoverable fault can occur anytime during operation. EXB-8500/EXB-8500c 306261...

  • Page 25: Selecting Data Cartridges

    Choosing High-Quality Data Cartridges Available from Exabyte, EXATAPE™ 8mm Data Cartridges are formulated specifically for use in Exabyte products. EXATAPE data cartridges reduce head and tape path wear and have a shelf life exceeding 30 years when used according to recommendations.

  • Page 26: Setting The Write-Protect Switch

    If the red tab is not visible, the data cartridge is write enabled and can be written to or erased. Figure 10 Write-protect switch on an EXATAPE 8mm data cartridge EXB-8500/EXB-8500c 306261...

  • Page 27: Loading A Data Cartridge

    It is used to unload the tape from the tape drive. The unload button can also be used to clear servo and other errors. If a servo or hardware error occurs, press the unload button to reset the tape drive. Then, if necessary, December 1993 EXB-8500/EXB-8500c...
  • Page 28 Note: Some tape drives are configured to eject the tape immediately when the unload button is pressed. Refer to the EXB-8500 and EXB-8500c Product Specification if you have a tape drive configured in this way. Error During Unload Procedure...

  • Page 29: Preventive Maintenance

    The only routine maintenance required by the tape drive is regular cleaning of the tape drive heads and tape path. Use only an Exabyte or Exabyte-approved 8mm Cleaning Cartridge. Proper storage and maintenance of your data cartridges will maximize the shelf life of your tapes and assure data integrity.

  • Page 30: Using The 8Mm Cleaning Cartridge

    (see Figure 11). If there are no cleaning cycles remaining, discard the cleaning cartridge and use a new one. Figure 11 Exabyte 8mm Cleaning Cartridge with label showing cleaning cycles left EXB-8500/EXB-8500c 306261...

  • Page 31: Caring For Data Cartridges

    Store cartridges in a cool, non-magnetic environment. Follow the cartridge manufacturer’s specifications for storage temperature and other environmental requirements. Do not allow the temperature and humidity in the storage environment to fluctuate. December 1993 EXB-8500/EXB-8500c...
  • Page 32 For the same reason, never stack cartridges on top of each other or lean them at an angle for extended periods of time. Figure 12 Do not store a data cartridge on its side EXB-8500/EXB-8500c 306261...

  • Page 33: Replacing Data Cartridges

    If errors have increased significantly since the previous test or if they exceed a certain predetermined threshold, you should re-archive the data to a new tape and discard the old tape. December 1993 EXB-8500/EXB-8500c...
  • Page 34 Notes: EXB-8500/EXB-8500c 306261...

  • Page 35: Packing The Tape Drive

    To avoid damaging the tape drive and voiding your warranty, be sure to use the original shipping materials (or replacement materials obtained from Exabyte) when repacking and shipping the tape drive. To ensure that the packaging meets the required specifications, do not modify the packaging in any way.

  • Page 36: Packing The Tape Drive For Shipment

    Single-pack shipping carton (Figure 13): Place the tape drive into the fitted area in the packing cushion. Place the top packing cushion over the tape drive, with the cardboard side facing down. EXB-8500/EXB-8500c 306261...
  • Page 37 Place the top packing cushion over the tape drives. Close the carton and tape the top seam so that the carton is completely closed. December 1993 EXB-8500/EXB-8500c...

  • Page 38: Environmental Requirements For Shipment

    (2° F per minute up to a maximum of 36° F per hour) Rel. Humidity 10% to 90% non-condensing Wet Bulb 26° C max (79° F max) Altitude –304.8 m to +12,192 m (–1,000 ft to +40,000 ft) EXB-8500/EXB-8500c 306261...

  • Page 39: Appendix A Installation Requirements

    A characteristic impedance of 100 ohms ± 10% is recommended for unshielded flat or twisted-pair ribbon cable. A characteristic impedance greater than 90 ohms is recommended for shielded cables. December 1993 EXB-8500/EXB-8500c...

  • Page 40: Scsi Cable Connector

    SCSI connector pin assignments for differential and single-ended tape drives, refer to the EXB-8500 and EXB-8500c Product Specification. Attaching the Tape Drive to a Frame The main housing of the tape drive includes two sets of...
  • Page 41 When mounting the tape drive, follow these guidelines: The mounting location must meet the environmental requirements discussed in the EXB-8500 and EXB-8500c Product Specification. These requirements specify limits for operating temperature, humidity, airflow, particulate contamination, shock, and vibration.

  • Page 42: Chassis Grounding (Optional)

    -inch female spade connector to the ground tab at the rear of the tape drive. Or, connect an M3-0.5 6 mm self-tapping screw to the grounding hole. The ground tab and grounding hole are shown in Figure 8 on page 19. EXB-8500/EXB-8500c 306261...

  • Page 43: Power Cable Connector

    5.25-inch devices. To connect the tape drive to a power cable, use an AMP 1-480424-0 series or equivalent female connector. For information about the specific power connector pin assignments, refer to the EXB-8500 and EXB-8500c Product Specification. December 1993 EXB-8500/EXB-8500c...
  • Page 44 Notes: EXB-8500/EXB-8500c 306261...

  • Page 45: Appendix B Tape Drive Specifications

    10.45 watts at +5 VDC; consumption 9.1 watts at +12 VDC Mean time between failure 40,000 hours @ 10% duty cycle Assuming an average compression ratio of 2:1. The ripple voltage is included in the total voltage tolerance. December 1993 EXB-8500/EXB-8500c...
  • Page 46 Notes: EXB-8500/EXB-8500c 306261...

  • Page 47: Index

    SCSI ID 11 unload button jumpers for setting SCSI ID 13 location 23 operation 27 LEDs unload procedure 27 – 28 location 23 unpacking instructions 10 states indicated by 23 – 24 load procedure 27 write-protect switch 26 December 1993 EXB-8500/EXB-8500c...
  • Page 48 Exabyte Corporation 1685 38th Street Boulder, Colorado USA 80301...

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Exb-8500c

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