Quantum DLT-V4 User's Manual
Contents
1. once in each direction in each axis once in each direction Table 17 table 18 and table 19 list the vibration specifications for the tape drive in its shipping package non operating Factor Criteria Comments Frequency 5 to 200 Hz Range Acceleration 1 46 Gims Level Application X Y and Z axis 30 minutes per axis 21 Table 18 Random Overstress Non operating Vibration Specifications PSD Spectrum Table 19 Impact Drop Non operating Packaged Shock Drop Specifications DLT V4 Product Specification Chapter 6 Shock and Vibration Specifications Non operating Shock and Vibration Specifications Power Spectral Density PSD Spectrum Frequency PSD Hz G Hz 3 0 0144717 100 0 0144717 200 0 0036662 Factor Criteria Test Type Drop Shock Drop Height Internal Single Pack 42 in External Single Pack 36 in Application 10 drops total 1 each side 3 edges 1 corner 22 Non operating Unpackaged Vibration Specifications Table 20 Random Non operating Unpackaged Vibration Specifications Table 21 Standalone Random Non operating Unpackaged Vibration Specifications PSD Spectrum Table 22 Sweep Dwell Non operating Unpackaged Vibration Specifications DLT V4 Product Specification Chapter 6 Shock and Vibration Specifications Non operating Shock and Vibration Specifications Table 20 table 21 and table 22 lists the2. Physical Specifications Internal Tape Drive Mounting Hole Dimensions Ls 52 373 381 l 2 062 015 218 8 max 11 8 61416 max 3 79 38 254 I 15 5 41 610 999 3 125 010 i l l 20 5 41 807 939 Ti 25 57411 0037 239 liri Standard Distance 41 5 MAX ILU rT 1 039 1 633 MAX 1 l 29 5 3 1 161_ 44g u e 1 21 79 254 i 13 381 12 858 010 p Data cartridge 5124015 10 254 12X M3 Max Screw 394 4 010 Insertion 10 MM Notes The following is additional information for figure 2 e The dimension referenced in boxed note 1 is from the front of the base plate e The dimension referenced in boxed note 2 is from the bottom tape drive mounting plane to the interior guiding surface of the media opening e Boxed note 3 states that the data cartridge is shown in the ejected position e The tape drive width and length are standard 5 inch form factor measurements e Dimensions are identical on left side and right sides Dimensions are in millimeters The dimensions in brackets x x are in inches DLT V4 Product Specification Chapter 2 Functional Specifications This chapter contains the functional specifications of the DLT V4 tape drive including the LED functions Table 4 lists the key functional specifications of the DLT V4 tape drive
3. Random Overstress Operating Vibration Specifications 19 Random Overstress Operating Vibration Specifications PSD Specht u MM ke a codes en 20 Sweep Dwell Operating Vibration Specifications 0 0 0 0 cee 20 Non operating Unpackaged Shock Specifications 0 0 0 0 mm 21 vii Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 23 Table 24 Table 25 Table 26 Table 27 Table 28 Table 29 Table 30 Table 31 Table 32 Table 33 Table 34 Table 35 Table 36 DLT V4 Product Specification Tables Random Survival Non operating Packaged Vibration Specitieations nun sun gov sees Masta based salon L et tennis 21 Random Overstress Non operating Vibration Specifications PSD Spectrum a 2 22 a a 22 Impact Drop Non operating Packaged Shock Drop Specifications 1 23 El tials ane 22 Random Non operating Unpackaged Vibration Specifications 23 Standalone Random Non operating Unpackaged Vibration Specifications PSD Spectrum se ennnenznnenzznennnennnnnnannzntna 23 Sweep Dwell Non operating Unpackaged Vibration Spe iti atiotis 21 5 5s ita efa cazusssssescdeesssdaleavsdeacadedescsseaitbesssesdedesveasoisesedss 23 Radiated Emissions Limits ss meeneenenznenenenzanennnnnn nee 25 Conducted Emissions Limits mm enenen en nz ena nenann ern 25 Odd Harmonic Limits for Class A Equipment Limits 26 Even Harmonic Limits for Class A Equipment ssemmi 26 Acoustic Noise Emission
4. a bottom view for the internal tape drive DLT V4 Product Specification 4 Figure 1 Internal Tape Drive Mounting Hole Dimensions Bottom View 79 38 0 25 3 125 010 48 52 0 254 1 910 010 139 7 0 381 5 500 015 oO o o o e o o e 6 eo o e e O O Chapter 1 Physical Specifications Internal Tape Drive Mounting Hole Dimensions Data cartridge 127 99 04 2 15 124 84 4 92 3 L 22 58 0 55 889 4 021 19 43 40 7 1 765 027 Notes The following is additional information for figure 1 e The dimension referenced in boxed note 1 is from the front of the base plate e The dimension referenced in boxed note 2 is from the right side tape drive mounting plane to the interior guiding surface of the media opening e The dimension referenced in boxed note 3 is from the bottom tape drive mounting hole to the interior guiding surface of the media opening e The tape drive width and length are standard 5 4 inch form factor measurements e Dimensions are identical on left side and right sides Dimensions are in millimeters The dimensions in brackets x x are in inches DLT V4 Product Specification Figure 2 shows the mounting holes and dimensions in a side view for the internal tape drive Figure 2 Mounting Hole Dimensions Side View Chapter 1
5. for the system and the interface from the system to the host computer library or autoloader DLT V4 Product Specification 40 Glossary EMC Electromagnetic Compatibility EMI Electromagnetic Interference EN EN standards are voluntary technical standards of the European Union and European Economic Area Encoding n Characters or bytes of information converted to magnetic patterns on the media v The process of converting to the desired pattern EOD End of Data Location on media where the last session stopped EOM or EOT End of Media or End of Tape Logical EOM allows space to complete a write operation physical EOM signifies that the media is completely used Erase The removal of data from media Error A message that occurs when there is a loss of abilitv to interpret recorded data usually because of magnetic issues or defects in or on the media ESD An Electrostatic Discharge is a sudden flow of electric current through a material that is normally an insulator EU European Union F F Fahrenheit is a temperature scale where a degree Fahrenheit F is 5 9ths of a kelvin or of a degree Celsius FCC Federal Communications Commission United States Fibre Channel A high speed serial architecture that allows either optical or electrical connections at data rates from 265 MB to 2 Gb per second Fibre Channel is sometimes abbreviated FC Firmware Permanent or semi permanent instructions and data programmed
6. operate this equipment TESTED TO COMPLY WITH FCC STANDARDS FOR HOME OR OFFICE USE This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme a la norme NMB 003 du Canada 35 Appendix A Regulatory Statements Product Manual Statements for Class B Equipment Tabletop Tape Drive VCCI Notice Japan ner taf i ee ee ee e ER H ee OO mie SE OC ASAE TSE BCS COR BS FRR CHAS Seals SARIS LTS AS CON BACs Pease SL Elo Le SoHE RIDE LT Reis BAe sie ee OT Ce AY eS Bx 2 SHAR SE iat gt TIE LLB ELS LF ELS DEN AN Notice Japan TA CORMA FRA CERRY EATS CIO ECA Ain Toa BIA Pe EDR amp HICMOA LabTi RAW Ek RRA OR 1 Fe Quantumildh amp ICE ALA CC RAW HADEM FEDE G MD EJ EKU BEI VATA CHEBEL TO STR TO RIA KEMLTI REV Class B ITE Translation This is a Class B product based on the standard of the Voluntary Control Council for Interference from Information Technology Equipment VCCI If this product is used near a radio or television receiver in a domestic environment it may cause radio interference Install and use the equipment according to the instruction manual VCCI Class B ITE Regulatory Mark VCI DLT V4 Product Specification 36 Appendix A Regulatory Statements Product Manual Statements for Class B Equipment Tabletop Tape Drive Environmen
7. the basic central processing unit CPU such as a disk drive tape drive or printer Port In referring to a Fibre Channel network a port connects a node to the network DLT V4 Product Specification 43 Glossary Positive Engagement Buckling Mechanism A highly robust solidly engineered media leader buckling mechanism for heavy duty cycle automated environments POST Power on Self Test When power is applied to the tape drive it performs a POST PRML Partial Response Maximum Likelihood is a method for converting the weak analog signal from the head of a magnetic disk drive into a digital signal Also see Advanced PRML PWA Printed Wiring Assembly R Restore To replace data on the hard drive with data obtained from another media device RoHS Restrictions on Hazardous Substances is an EU directive that restricts and in some cases bans the use of certain compounds in the manufacture of electronic equipment RoHS mandates that new electrical and electronic equipment put on the market does not contain lead mercurv cadmium hexavalent chromium polv brominated biphenyls PBB or poly brominated diphenyl ethers PBDE S SAN Storage Area Network SATA Serial Advanced Technology Attachment A Serial ATA International Organization SATA IO standard for the interface between a computer and peripheral controllers SCSI Small Computer System Interface An American National Standards Institute ANSI standard for the interface bet
8. the following conventions Note Notes emphasize important information related to the main topic Caution Cautions indicate potential hazards to equipment and are included to prevent damage to equipment Warning Warnings indicate potential hazards to personal safety and are included to prevent injury This document uses the following Tape Drive System Refers to the complete system including the cartridge Tape Drive Refers to just the tape drive and does not include the cartridge Right side of the tape drive Refers to the right side as you face the component being described Typographical Conventions DLT V4 Product Specification Preface e Left side of the tape drive Refers to the left side as you face the component being described e b All binary numbers are succeeded by b e h All hexadecimal numbers are succeeded by h e Error or attention conditions are represented in parenthesis that translate as follows SK S ASC AA ASCQ QQ where S hexadecimal sense key value AA hexadecimal additional sense code QQ hexadecimal additional sense code qualifier This document uses the following typographical conventions Element Convention Example Commands Uppercase unless FORMAT UNIT case sensitive Messages Uppercase INVALID PRODUCT NUMBER Hexadecimal Number followed by 25h Notation lowe
9. vibration specifications for the tape drive without its shipping package non operating Factor Criteria Comments Frequency 5 to 500 Hz Range Acceleration 2 41 Gims Level Application X Y and Z axis 30 minutes per axis min Power Spectral Density PSD Spectrum Frequency PSD Hz G H2 5 0 0201 100 0 0201 137 0 0107 350 0 0107 500 0 0052 Factor Criteria Comments Frequency 5 to 500 to 5 Hz 1 Upward and Downward Range Sweep Acceleration 1 0 Gyms 0 to Level Peak Application X Y and Z axis Sweep Rate 1 2 octave per minute Dwell on 4 lowest resonances per axis for 15 minutes each 23 Fi ie Chapter 7 Emission and Immunitv Specifications Qo TT This chapter describes the emission and immunity specifications of the DLT V4 tape drive Emissions The tape drive meets the following standards e FCC CFR Part 15 Class B ANSI C63 4 1992 IEC CISPR 22 1997 A1 2000 A2 2003 Class B EMC Directive 89 336 EEC e EN 55022 1998 A1 2000 A2 2003 Class B TEC CISPR 22 1997 A1 2000 A2 2003 Class B VCCI 03 2004 Class B CNS 13438 AS NZS 3548 ICES 0003 DLT V4 Product Specification 24 Radiated Emissions Table 23 Radiated Emissions Limits Conducted Emissions Table 24 Conducted Emissions Limits Harmonic Current Emissions DLT V4 Product Specification Chapter 7 Emission and Immunity Specifications
10. write or update information on a storage medium such as magnetic media n The operation of reading writing or updating stored information Access Time The interval between the time a request for data is made by the system and the time the data is available from the tape drive Advanced PRML Advanced Partial Response Maximum Likelihood The advanced PRML channel technology provides high encoding efficiency recording densities for greater capacity and performance Allocation The process of assigning particular areas of the media to particular data or instructions Archiving The removal or copying of data from the computer system onto secondary storage media that is safely stored away ASIC Application Specific Integrated Circuit ASTM American Society for Testing and Materials Backup A copy of a file directory or volume on a separate storage device from the original for the purpose of retrieval in case the original is accidentally erased damaged or destroyed Bad Data Block A block that cannot reliably hold data because of a media flaw or damaged format markings DLT V4 Product Specification 38 Glossary Base Plate An aluminum die casting that acts as the support platform for the other modules and for the tape drive enclosure The base plate includes the precision mounting holes used to install tape drives into a server or tape library Bezel Also known as the faceplate A plastic panel that extends the face of a tap
11. 0 000 tape Continuous operation motion hours MTBF 250 000 hours Quantum Corporation does not warrant that predicted MTBF is representative of any particular unit installed for customer use Actual figures vary from unit to unit MTBF is measured at 100 duty cycle excluding head life Load Unload 50 000 cycles This excludes media errors DLT V4 Product Specification 11 DLT V4 Product Specification Chapter 4 Power Specifications This chapter describes the power specifications of the DLT V4 tape drive Current Specifications Chapter 4 Power Specifications Current Specifications Note The 5 Volt bus is 5 the 12 Volt bus is 10 5Vpc 5Vpc 12Vpc 12Vpc DC Pwr ACPwr AC Pur Mode Apk Arms Apk Arms W typ W typ W max Power Up 1 6 1 2 0 3 0 1 7 2 9 18 Load Tape 1 6 13 2 7 0 7 14 9 20 24 Unload Tape 1 6 1 3 2 6 0 8 16 1 20 24 Write Tape 1 9 1 6 1 4 0 5 14 20 21 Read Tape 1 9 1 4 1 3 0 5 13 19 21 Rewind 1 5 1 4 1 4 0 5 13 17 19 Idle tape 1 3 1 3 0 6 0 2 8 9 13 14 tensioned Idle tape 1 3 1 3 0 3 0 1 7 7 12 13 untensioned Idle no tape 1 3 1 3 0 1 0 1 7 7 12 13 DLT V4 Product Specification 13 Chapter 4 Power Specifications External Power Supply and Chassis Requirements External Power Supply and Chassis Requirements Table 9 Common Mode Noise Limitations DLT V4 Product Specification This section lists the common mode nois
12. 0 30 8 lt n lt 40 0 23 x 8 n DLT V4 Product Specification 26 Chapter 7 Emission and Immunity Specifications Emissions Acoustic Noise Emissions Table 27 lists the acoustic noise emission levels both as noise power and sound pressure for the tape drive The table provides the preliminary declared values per ISO 9296 and 7779 EN27779 Table 27 Acoustic Noise Emissions Nominal Sound Pressure Level Noise Power Emission Level LpAm dBA Mode LwA B bystander positions Internal Tabletop Internal Tabletop Idle Not applicable Not applicable Not applicable Not applicable Streaming 5 8 5 8 54 54 Note Current values for specific configurations are available from Quantum representatives Table 28 lists the acoustic noise declaration for the German Noise Declaration Law Table 28 Acoustic Noise Declaration for German Noise Declaration Law Schallemissionswerte Werteangaben nach ISO 9296 und ISO 7779 DIN EN27779 Schalleistungspegel Schalldruckpegel LpAm dBA LwA B Zuschauerpositionen Ger t Leerlauf Betrieb Leerlauf Betrieb DLT V4 N A 5 8 N A 54 DLT V4 Product Specification Note Aktuelle Werte fiir spezielle Ausriistungsstufen sind tiber die Quantum Corporation Equipment Vertretungen erh ltlich 27 Immunities Electrostatic Discharge ESD Immunity Table 29 Electrostatic Discharge ESD Immunity Limits Rad
13. 2001 1st Edition European Standard Safety of Information Technology Equipment including Electrical Business Equipment Consumer Bulletin Scheme The tape drive meets this scheme CB Scheme The Scheme of the IECEE for Mutual Recognition of Test Certificates for Electrical Equipment DLT V4 Product Specification 32 A dix A f ppendix f Regulatorv Statements fi ee eee Statements for Class A Equipment Internal Tape Drive CE Notice European Marking by the symbol CE indicates compliance of this tape drive to the Union EMC Directive 89 336 EEC and Low Voltage Directive 73 23 EEC of the European Union Compliance with these directives implies conformity to the following European Norms the equivalent international standards and regulations are in parentheses e EN 60950 1 2001 1st Edition Safety of Information Technology Equipment including Electrical Business Equipment e EN 55024 1998 IEC 1000 4 2 1000 4 3 1000 4 4 1000 4 5 1000 4 6 1000 4 8 1000 4 11 Information technology equipment Immunity characteristics Limits and methods of measurement e Part 2 Electrostatic Discharge ESD Requirements e Part 3 Radiated Electromagnetic Field Requirements e Part 4 Electrical Fast Transient Burst EFT Requirements e Part 5 Surge Requirements DLT V4 Product Specification 33 FCC Notices U S Only Appendix A Regulatory Statements Product Manual Statements for Class B Equipment Tabletop Tap
14. Emissions The tape drive meets the radiated emissions limits per IEC CISPR 22 1997 A1 2000 A2 2003 Class B listed in table 23 Quasi peak limit decibel dB microVolt per meter V m 10m Frequency Range Megahertz MHz 30 to 230 30 230 to 1000 37 The tape drive meets the conducted emissions limits per IEC CISPR 22 1997 A1 2000 A2 2003 Class B listed in table 24 Limits dB uV Frequency Range MHz Quasi peak Average 0 15 to 0 50 66 to 562 56 to 462 0 50 to 5 56 46 5 to 30 60 50 a The limit decreases with the logarithm of the frequency The tape drive meets this standard EN 61000 3 3 2001 Limitation of voltage fluctuations and flicker in low voltage supply systems for equipment with rated current up to and including 16A Table 25 lists the odd harmonic limits for Class A equipment The harmonics of the input current do not exceed the maximum permissible values given in this table multiplied by a factor of 1 5 25 Chapter 7 Emission and Immunity Specifications Emissions Table 25 Odd Harmonie Limits Maximum Permissible i a Harmonic Order Harmonic Current n A 3 2 3 5 1 14 7 0 77 9 0 40 11 0 33 13 0 21 15 lt n lt 39 0 15 x 15 n Table 26 lists the even harmonic limits for Class A equipment Table 26 Even Harmonic Maximum Permissible jit ki a a Harmonic Order Harmonic Current n A 2 1 08 4 0 43 6
15. Quantum a 98 9 Product Specification Product Specification Product Specification Tape Drive 81 81349 02 A01 DLT V4 Product Specification 81 81349 02 A01 November 2005 Made in USA Quantum Corporation provides this publication as is without warranty of any kind either express or implied including but not limited to the implied warranties of merchantability or fitness for a particular purpose Quantum Corporation may revise this publication from time to time without notice COPYRIGHT STATEMENT Copyright 2005 by Quantum Corporation All rights reserved Your right to copy this document is limited by copyright law Making copies or adaptations without prior written authorization of Quantum Corporation is prohibited by law and constitutes a punishable violation of the law TRADEMARK STATEMENT Quantum the Quantum logo DLT DL Ttape the DLTtape logo and Super DLTtape logo are all registered trademarks of Quantum Corporation DLTIce DLTSage and Super DL Ttape are all trademarks of Quantum Corporation Other company and product names used in this document are trademarks registered trademarks or service marks of their respective owners Preface Chapter 1 Chapter 2 Chapter 3 Chapter 4 Physical Specifications Physical Description mnn Physical Dimensions and Weights Internal Tape Drive Mounting Hole Dimensions Functional Specifications Performance Specifications Timing Characte
16. Table 4 Functional Specifications DLT V4 Product Specification Specification Value Formatted Capacity 160 gigabytes GB Native Mode Formatted Capacity 320 GB Compressed Mode Interface Low Voltage Differential LVD Tape Drive Type DLT Derivative streaming 16 bit LVD Recording Type Partial Response Maximum Likelihood PRML Read Compatibility DLT V4 DLT VS160 DLT VS80 DLT1 Write Compatibility DLT V4 Form Factor 5 4 in Half height Sustained Transfer Rate Native Mode Up to 10 megabyte MB per second DLT V4 Product Specification Chapter 2 Functional Specifications Specification Value Sustained Transfer Up to 20 MB sec Rate Compressed Mode Transfer Rate Burst 160 MB sec Error Rate 1 in 101 bits non media error Unrecoverable a Compressed values use a nominal 2 1 compression ratio Actual compression ratios achieved depend on the redundancy of data files being recorded b Performance may vary when the tape drive reads data previously written to the DLT VS80 and DLTI formatted data cartridges Performance depends on the quality of the data cartridge you are reading not the DLT V4 tape drive DI G A Performance Specifications p E re This chapter describes the performance specifications of the DLT V4 tape drive including timing characteristics data cartridge and media characteristics and the reliability factors of th
17. dio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged 34 FCC Label IC Notice Canada DLT V4 Product Specification Appendix A Regulatory Statements Product Manual Statements for Class B Equipment Tabletop Tape Drive to try to correct the interference by one or more of the following measures e Reorientorrelocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington D C 20402 Stock No 004 00398 5 All external I O cables connecting to this unit need to be shielded See the Product Manual or Quick Start Guide for cabling more options Caution Any changes or modifications made to this equipment may void the user s authority to
18. directly into the circuitry of a programmable read only memory or electronically erasable programmable read only memory chips Used for controlling the operation of the computer or tape drive Distinct from software which is stored in random access memory and can be altered with ease FPM The Front Panel Module also known as the bezel is a plastic panel that extends the face of a tape drive so that it covers a computer s tape drive bay opening FUP Firmware Update G GB Gigabyte SI 1 000 000 000 bytes or 10 This is the International System of Units SI definition commonly used by telecommunications and storage manufacturers GiB 1 073 741 824 bytes equal to 10245 or 250 This is the definition often used DLT V4 Product Specification 41 Glossary in computer science computer programming and in the majority of computer operating systems documentation This measurement can be abbreviated as GiB gibibyte to avoid ambiguity as defined in IEC 60027 2 Note For the purpose of this document we are using Sl GS German Safety H Head The tiny electromagnetic coil and metal pole used to create and read back the magnetic patterns on the media Also known as the read write head HiFN An ASIC Application Specific Integrated Circuit for the system that handles data compression HIM The Host Interface Module implements the interface between the host system and the tape drive HRE Hard Read Error HWE Hard Write Err
19. e Drive e Part6 Conducted disturbances induced by radio frequency fields Requirements e Part 8 Power frequency magnetic field Requirements e Part 11 Voltage dips short interruptions and voltage variations Requirements e EN 55022 1998 A1 2000 A2 2003 Class B CISPR 22 1997 A1 2000 A2 2003 Class B Limits and Methods of Measurement of Radio Disturbance Characteristics of Information Technology Equipment The following standards only apply to the tabletop tape drive e EN 61000 3 2 2000 Limits for harmonic current emissions equipment input current up to and including 16A per phase e EN 61000 3 3 2001 Limitation of voltage fluctuations and flicker in low voltage supply systems for equipment with rated current up to and including 16A This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Product Manual Statements for Class B Equipment Tabletop Tape Drive DLT V4 Product Specification This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in residential installation This equipment generates uses and can radiate ra
20. e drive operates normally in pressures from 500 feet to 30 000 feet Bi u Chapter 6 Shock and Vibration D 4 Specifications pr 00714010 QC This chapter describes the shock and vibration specifications of the DLT V4 tape drive All testing was done on both the internal and tabletop tape drives DLT V4 Product Specification Chapter 6 Shock and Vibration Specifications Operating Shock and Vibration Specifications Operating Shock and Vibration Specifications Operating Shock Specifications Table 12 Half Sine Wave Pulse Shock Operating Vibration Specifications Operating Vibration Specifications Table 13 Random Overstress Operating Vibration Specifications DLT V4 Product Specification Table 12 lists the shock specifications for the tape drive while it is operating Specification 5 G Shock 8 G Shock 62 G Shock Pulse Shape 12 Sine Pulse 12 Sine Pulse 12 Sine Pulse Peak 5G 8G 62G Acceleration Duration 11 millisecond 10 ms 2 ms ms Application X Y andZ X Y andZ X Y andZ axis 10 pulses per axis 60 total 1 pulse every 6 seconds axis 1 pulse axis 1 pulse per axis 6 per axis 6 total total Table 13 table 14 and table 15 list the vibration specifications for the tape drive while it is operating Factor Criteria Comments Frequency 5 to 800 Hz Range Acceleration 0 5 Gims Level Application X Y and Z axis Top to bottom 10 minu
21. e drive so that it covers a computer s tape drive bay opening BIOS Basic Input Output System A set of routines that work closely with the hardware to support the transfer of information between various elements of the system such as memory disks and peripheral devices Block A sector or group of sectors DLT V4 supports block sizes up 16 MB BOM or BOT Beginning of Media or Beginning of Tape The physical beginning of the media BRC Backward read Compatibility is the ability of a current tape drive product to read cartridges written on earlier model tape drives BSMI Bureau of Standards Metrology and Inspection Taiwan Buckling Mechanism The buckling mechanism engages the media leaders on cartridge load and disengages them on cartridge unload Buffer An area of RAM reserved for temporary storage of data that is waiting to be sent to a device The data is usually on its way to or from the tape drive or some other peripheral device Bus The part of achip printed circuit board or interface designed to send and receive data c C The degree Celsius C is a unit of temperature Cache Specialized RAM used as a buffer between a fast CPU or I O channel and storage which has a relativelv slow access time for example cartridge or diskette to avoid slowing down the former Cartridge Receiver At media insertion the cartridge receiver assemblv is responsible for guiding the media into its operating position opening the door unl
22. e limitations between enclosures The noise level cannot exceed the values listed in the following table All measurements must be administered with an active or differential probe to reduce oscilloscope ground loops Common Mode Noise Limit First Enclosure Second Enclosure Millivolt mV Enclosure Chassis DLT V4 Tape Drive lt 1 mV Host Server Chassis Peak to Peak Workstation or DLT V4 Tabletop Enclosure Enclosure Chassis Power Supply lt 300 mV Host Server Enclosure Ground Peak to Peak Workstation or DLT V 4 Tabletop Enclosure DLT V4 Product Specification Chapter 5 Environmental Specifications This chapter describes the environmental specifications of the DLT V4 tape drive The tape drive operates in environments that include general offices and workspaces that consist of e Conditioned and marginally conditioned areas with central or remote air conditioning e Complete temperature and humidity controls e Moderate control tolerances e Systems capable of maintaining consistent comfort levels The tape drive does not conform to environments that consist of e Marginal heating or cooling apparatus e No humidity conditioning e Uncontrolled tolerances e Systems inadequate to maintain constant comfort levels For long term trouble free operation we strongly recommend that you operate and store the tape drive in a clean smoke free environment The following tables provide the ope
23. e tape drive DLT V4 Product Specification 9 Chapter 3 Performance Specifications Timing Characteristics Table 5 Tape Drive Timing Characteristics DLT V4 Product Specification Timing Characteristics Table 5 lists the timing characteristics of the DLT V4 tape drive Specification Value Read Write Tape Speed 118 inches per second Rewind Tape Speed 160 inches per second Linear Search Tape Speed 118 inches per second Average Rewind Time 68 seconds Maximum Rewind Time 135 sec Average Access Time BOT 84 sec Maximum Access Time from BOT 168 sec Load to BOT previously recorded tape 90 sec Unload from BOT 22 sec no brush 61 sec brush 10 Chapter 3 Performance Specifications Data Cartridge and Media Characteristics Data Cartridge and Media Characteristics Table 6 lists the data cartridge and media characteristics Table 6 Data Cartridge and Media Characteristics Characteristic Specification Media Width 0 5 in Media Length 1 847 ft Media Tvpe Metal Particle Data Cartridge Dimensions 4 1 in x 4 1 in x 1 0 in Shelf Life 30 years minimum 20 C and 40 relative humidity non condensing Usage 600 hrs 150 full read write uses Reliability Factors Table 7 lists the reliability factors for the DLT V4 tape drive Table 7 Reliability Factors y Factor Hours Cycles Comments Head Life 3
24. ference across a conductor when a current of one ampere dissipates one watt of power VCCI Voluntary Control Council for Interference by Information Technology Equipment Japan DLT V4 Product Specification 45 Glossary w W The Watt is the SI derived unit of power WEEE Waste Electronic and Electrical Equipment is an EU directive that mandates that producers of electronic goods assume the responsibility of recycling WEEE and create sustainable development programs to design more easily reusable and recyclable products WORM Write Once Read Many is a functionality which provides secure archived records needed for government compliance DLT V4 Product Specification 46 Quantum 141 Innovation Irvine CA 92617 949 856 7800 800 284 5101 November 2005 81 81349 02 81 81349 02 A01
25. fined as one millionth of a metre 1 x 107 m equivalent to one thousandth of a millimeter MB Megabyte SI 1 000 000 bytes or 10 bytes This is the International System of Units SI definition used by telecommunications engineers and storage manufacturers 1 048 576 bytes 10247 or 2 This definition is often used in computer science and computer programming when talking about the size of files or computer memory The reason is that computers use the binary numeral system internally Note For the purpose of this document we are using SI MRC Heads Magneto Resistive Cluster Heads A cluster of small cost effective Magneto Resistive MR media heads packed densely together ms A Millisecond is equal to one thousandth of a second MSE Multi mode Single Ended is a signaling alternative for multi mode SCSI devices that allows multi mode SCSI devices to operate while SE SCSI devices are present on the bus MTBF Mean Time Between Failures N Native Capacity The capacity of a given media product in its basic recording format without the use of data compression Native Mode Refers to the uncompressed storage capacity of a media subsystem See Native Capacity Node In referring to a Fibre Channel network a node is any device attached to the network P Paritv A method of generating redundant information that can be used to detect errors in stored or transmitted data Peripheral A device added to a svstem as a complement to
26. iated Immunity DLT V4 Product Specification Chapter 7 Emission and Immunity Specifications Immunities The tape drive meets the following standards e EMC Directive 89 336 EEC e EN 55024 1998 Information Technology Equipment Immunity reference the basic standard IEC 61000 4 n e IEC CISPR 22 1997 A1 2000 A2 2003 Class B Information Technology Equipment Immunity The tape drive meets the ESD immunity limits per EN 61000 4 2 2001 listed in table 29 for operator access areas of the tape drive Specification Performance Criteria Contact discharge 8 kV No operator intervention Air discharge 10 kV soft recoverable errors allowed Air discharge stress 15 kV Survival 25 kV No physical damage Note The product meets the product reliability levels air discharge to 10 kV with 15 kV desired The tape drive meets the radiated immunity limits per EN 61000 4 3 2002 listed in table 30 28 Table 30 Radiated Limits Immunity Fast Transient Immunity Table 31 Fast Transient Immunity Limits Surge Immunity Table 32 Surge Immunity Limits Conducted Immunity Table 33 Conducted Immunity Limits Power Frequency Magnetic Field Immunity DLT V4 Product Specification Chapter 7 Emission and Immunity Specifications Immunities Specification Performance Criteria 80 to 1000 MHz 1 kHz 80 AM 900 MHz 200 Hz 3V m No errors allowed The tape dr
27. ive meets the fast transient immunity limits per EN 61000 4 4 2004 listed in table 31 Specification Performance Criteria AC Mains 1 kV Signal Port L 23m 500V No operator intervention soft recoverable errors allowed The tape drive meets the surge immunity limits per EN 61000 4 5 2001 listed in table 32 Specification Performance Criteria Common Differential Mode AC Mains 2 kV 1 kV No operator intervention soft recoverable errors allowed The tape drive meets the conducted immunity limits per EN 61000 4 6 2003 listed in table 33 Specification Performance Criteria 0 150 to 80 MHz 1 kHz 80 AM 3V No errors allowed The tape drive meets the magnetic field immunity limits per EN 61000 4 8 2001 listed in table 34 29 Table 34 Magnetic Field Immunity Limits Voltage Dips Short Interruptions and Variations Immunity Table 35 Voltage Dips Short Interruptions and Variations Immunity Limits DLT V4 Product Specification Chapter 7 Emission and Immunity Specifications Immunities Specification Performance Criteria 50 Hz 10 Amps per meter A m No errors allowed The tape drive meets the AC dips interruptions and variations immunity limits per EN 61000 4 11 2004 listed in table 35 Specification Performance Criteria 95 Vreduction 10 milliseconds per 0 5 periods Dips Soft recoverable erro
28. ocking the cartridge brakes and securing the media for operation At media ejection the cartridge receiver assemblv reverses the process and automaticallv ejects the cartridge a fixed distance from the front of the tape drive CE Councilof Europe Compressed Capacity Capacity after data has been processed using either software or hardware to reduce storage space while maintaining data integrity See also Data Compression CFR Code of Federal Regulations United States CSA Canadian Standards Association also known as CSA International CUP Code Update a firmware update DLT V4 Product Specification 39 Glossary D Data Compression A process that reduces the amount of storage space required to hold a particular block of data Data transfer speed and total media capacity are affected by the data compression achieved In accordance with industry practice a typical compression ratio is 2 1 of data storage Actual compression ratios achieved depend on the redundancy of data files being written dB A Decibel is a logarithmic unit of sound intensity 10 times the logarithm of the ratio of the sound intensity to some reference intensity DC Direct Current is the continuous flow of electricity through a conductor such as a wire from high to low potential DCM The Data Control Module provides the path and guides for all media motion inside the tape drive and to write data to and read data from the media Device According to the SCSI s
29. on Physical Dimensions and Chapter 1 Physical Specifications Physical Description Internal Tape Drive Tabletop Tape Drive 1 656 in 42 05 mm with the bezel 1 618 in 41 10 mm without the bezel 2 608 in 66 24 mm Weights Table 1 Physical Dimensions Specification Height Width Length 5 748 in 146 00 mm behind the bezel 5 807 in 147 50 mm with the bezel 8 614 in 218 80 mm measured from the rear of the front bezel 8 874 in 225 40 mm including the bezel 8 352 in 212 13 mm 10 728 in 272 49 mm Table 2 Weight Specifications poe ai Specification Internal Tape Drive Tabletop Tape Drive Unit Weight 3 00 Ib 1 36 kg 8 00 Ib 3 63 kg Shipping Weight 4 39 Ib 1 99 kg depending on the configuration 11 81 Ib 5 36 kg depending on the configuration Table 3 shows the acceptable operating orientation for the DLT V4 tape drive DLT V4 Product Specification Chapter 1 Physical Specifications Physical Description Table 3 Proper and Acceptable DLT V4 Tape Drive Orientation Orientation Internal Tape Drive Tabletop Tape Drive Top Side Up typical Left Side Down Right Side Down DLT V4 Product Specification 3 Chapter 1 Physical Specifications Internal Tape Drive Mounting Hole Dimensions Internal Tape Drive Mounting Hole Dimensions Figure 1 shows the mounting holes and dimensions in
30. or I ICM The Integrated Controller Module contains the main controller and servo microprocessor the custom designed ASICs and the cache memory IEC The International Electrotechnical Commission is a standards organization that prepares and publishes international standards for all electrical electronic and related technologies IEEE Institute of Electrical and Electronics Engineers Interface A hardware or software protocol contained in the electronics of the media controller and tape drive that manages the exchange of data between the tape drive and computer The most common interfaces for small computer systems are AT IDE and SCSI ISO The International Organization for Standardization is an international non governmental standard setting body made up of representatives from national standards bodies ISV Independent Software Vendor J Jumper A tiny connector box that slips over two pins that protrude from a circuit board While in place the jumper connects the pins electrically The jumper can be moved to change electrical connections K KB A kilobyte is a unit of measure equal to 1 thousand 1024 bytes DLT V4 Product Specification 42 Glossary L LED Light Emitting Diode LGMR Laser Guided Magnetic Recording LVD Low Voltage Differential signalling is an electrical signalling system that can run at high speeds over cheap twisted pair copper cables M uM A Micrometer is an SI unit of length It is de
31. pecification multiple SCSI devices can be connected to a single SCSI bus Each SCSI device contains a SCSI ID number that can be set in the range 0 to 15 Device Driver A low level usually kernel mode operating system component that enables a PC to communicate with peripheral devices such as printers CD ROMs and tape drives Each kind of device requires a different driver Differential A term referring to the electrical characteristics of the signal used on the SCSI bus interface Differential signals minimize the effect of common mode signal noise and allow the SCSI bus to operate reliably over greater distances at a higher speed DLT Digital Linear Tape DLTice Quantum s firmware compliance management function of DLTSage which provides secure archival functionality to the tape drive and tape cartridge DLTSage Quantum s suite of preventative maintenance diagnostic software tools that enables users to more simply mange tape storage environments DLZ Digital Lempel Ziv 1 Algorithm is named after Abraham Lempel and Jacob Ziv It is a data compression technique used in all tape drives E EEC European Economic Community EEPROM Electronically Erasable Programmable Read Only Memory An integrated circuit memory chip that can store programs and data in a non volatile state These devices store firmware in tape drives and can be erased and reprogrammed with new data EIM The Electronic Interface Module provides the main control function
32. quired to buckle and unbuckle the media and control the media motion Termination A physical requirement of the SCSI bus A terminator is a device that attaches to both ends of an electrical bus and prevents reflection or echoes of signals that reach the end of the bus Track A linear or angled pattern of data written on a media surface SDLT tape drives write information on multiple tracks simultaneously Transfer Rate The speed at which the data moves between a host that is tape drive and a recorded device Usually expressed as bytes sec or bits sec TTL Transistor to Transistor Logic is a class of digital circuits built from bipolar junction transistors BJT diodes and resistors It is the base for the semiconductor integrated circuit IC technology TUR Test Unit Ready see also Take up Reel U UL Underwriters Laboratories is a testing laboratory which develops standards for consumer products chiefly dealing with product safety Unformatted Capacity The total number of usable byes on the media including the space that will be required later to record location boundary definitions and timing information See also Native Capacity Ultra 320 A tape drive SCSI interface that provides a low voltage differential LVD mode running up to 160 MB sec and a single ended SE mode running up to 40 MB sec USB Universal Serial Bus is a serial bus standard for connecting devices to a computer V V A Volt is the potential dif
33. raries and other equipment This document is organized as follows e Chapter 1 Physical Specifications contains the physical description of the DLT V4 tape drive including the internal and tabletop tape drives and the environmental temperature and humidity specifications e Chapter 2 Functional Specifications contains the functional specifications of the DLT V4 tape drive including the LED functions Notational Conventions DLT V4 Product Specification Preface Chapter 3 Performance Specifications describes the performance specifications of the DLT V4 tape drive including timing characteristics data cartridge and media characteristics and the reliability factors of the tape drive Chapter 4 Power Specifications describes the power specifications of the DLT V4 tape drive Chapter 5 Environmental Specifications describes the environmental specifications of the DLT V4 tape drive Chapter 6 Shock and Vibration Specifications describes the shock and vibration specifications of the DLT V4 tape drive All testing was done on both the internal and tabletop tape drives Chapter 7 Emission and Immunity Specifications describes the emission and immunity specifications of the DLT V4 tape drive Chapter 8 Safety Specifications describes the safety specifications of the DLT V4 tape drive Appendix A Regulatory Statements provides the regulatory statements of the DLT V4 tape drive This document uses
34. rating non operating storage and shipping environmental specifications for the DLT V4 tape drive systems both the internal and the tabletop configurations Temperature and Humidity Ranges Table 10 Operating Ranges Table 11 Non Operating Ranges Packed or Unpacked DLT V4 Product Specification Chapter 5 Environmental Specifications Temperature and Humidity Ranges Table 10 lists the operating temperature and humidity ranges of the tape drive Specification Value Temperature Range 10 C to 40 C 50 F to 104 F Airflow 3 0 CFM min Wet Bulb Temperature 25 C 77 F Temperature Gradient 11 C 19 8 F per hour across range Temperature Shock 10 C 18 F over two minutes Relative Humidity 20 to 80 non condensing Humidity Gradient 10 per hour Table 11 lists the non operating storage and shipment temperature and humidity ranges of the tape drive Specification Value Dry Bulb Temperature Wet Bulb Temperature 40 C to 66 C 40 F to 150 8 F 46 C 114 8 F Temperature Gradient 20 C 36 F per hour with 5 margin across the range Temperature Shock Relative Humidity 15 C 27 F with 5 margin over two minutes 10 to 95 non condensing Humidity Gradient 10 per hour Altitude DLT V4 Product Specification Chapter 5 Environmental Specifications Altitude The tap
35. rcase h Binary Notation Number followed by 101b lowercase b Decimal Notation Number without suffix 512 Acronyms Uppercase POST Abbreviations Lowercase except Mb megabits where standard usage requires uppercase MB megabytes Dimensions in Figures No units specified Inches understood unless otherwise specified 0 57 EJECT DISTANCE xi Preface Related Documents The following documents are related to the DLT V4 tape drive Document No Document Title Document Description 81 81252 xx Bezel Replacement Guide Provides bezel replacement instructions 81 81422 xx DLT V4 Product Manual Provides detailed product information for the tape drive 81 81355 xx DLT V4 Quick Start Guide Provides basic tape drive installation instructions Current SCSI standards documents available from www t10 org e SCSI Architecture Model SAM 3 e SCSI Primary Commands SPC 3 e SCSI Parallel Interface SPI 5 e SCSI Stream Commands SSC 3 Current SATA standards documents available from www serialata org e Serial ATA 1 0a Specification SCSI Standards Copies of the approved version of the SCSI standards may be obtained from Global Engineering Documents 15 Inverness Way East Englewood CO 80112 800 854 7179 or 303 397 2740 DLT V4 Product Specification xii Contacts DLT V4 Product Specification Preface Quantum company contacts are lis
36. ristics Power Specifications Current Specifications sen External Power Supply and Chassis Requirements DLT V4 Product Specification Data Cartridge and Media Characteristics Reliability Factors cee seeseneseeeeeees Contents Chapter 5 Environmental Specifications Temperature and Humidity Ranges Altit der ii e e aeg Chapter 6 Shock and Vibration Specifications Operating Shock and Vibration Specifications m sse Operating Shock Specifications ssemmi Operating Vibration Specifications mm Non operating Shock and Vibration Specifications Non operating Shock Specifications mm Non operating Packaged Vibration Specifications Non operating Unpackaged Vibration Specifications Chapter 7 Emission and Immunity Specifications EmISSIONS ii p e Radi ted EMISSIONS niena pn a a Conducted Emissions eee nee ens Harmonic Current Emissions eee Acoustic Noise Emissions eee nee eee laqa qbil Electrostatic Discharge ESD Immunity sem mmmnnn Radiated Immunitv eee Fast Transient Immunitv ssemma Surge IMNON enden iksi ei Cond cted Imm nity aneenesenunersensssunesunsanen Power Frequency Magnetic Field Immunity men Voltage Dips Short Interruptions and Variations Immunity Voltage Fluctuations and Flicker Limits Direct Current DC Magnetic Field Interference nn Chapter 8 Safety Specifications Safety Regl remen
37. rs allowed 30 Vreduction 500 ms per 25 periods Dips Operator intervention allowed 95 Vreduction 5 sec per 250 periods Interruptions Operator intervention allowed 30 Chapter 7 Emission and Immunity Specifications Voltage Fluctuations and Flicker Limits Voltage Fluctuations and Flicker Limits The tape drive meets this standard EN 61000 3 3 2001 Limitation of voltage fluctuations and flicker in low voltage supply systems for equipment with rated current up to and including 16A Table 36 lists the EN 61000 3 3 2001 Fluctuation and Flickers limits Table 36 Voltage Fluctuations and Flicker Limits Pst Pit d dmax d t ms lt 1 0 lt 0 65 lt 3 0 lt 4 0 lt 200 Direct Current DC Magnetic Field Interference The tape drive meets the following standards e IATA Dangerous Goods Regulations 30th Edition 1989 01 01 e US CFR 49 paragraph 173 1020 rev date 1983 11 01 DLT V4 Product Specification 31 Chapter 8 A Safety Specifications J E Be A This chapter describes the safety specifications of the DLT V4 tape drive Safety Requirement The tape drive meets the following standards e Low Voltage Directive 73 23 EEC e UL 60950 US Standard Safety of Information Technology Equipment including Electrical Business Equipment e CSA C22 2 950 Canadian Standard Safety of Information Technology Equipment including Electrical Business Equipment e EN 60950 1
38. s Nominal ss eseenenennezzoneenzzznsenenznzzn 27 Acoustic Noise Declaration for German Noise Declaration Law 27 Electrostatic Discharge ESD Immunity Limits sms 28 Radiated Immunity Limits eeeessssennensnenenenenenenenenenenenns 29 Fast Transient Immunity Limits sse mmennsenznsnterezzzznneseza 29 Surge Immunity Limits ses mnenzennenknnzmiensenznzezzznnnaznzjnntzsnrazenza 29 Conducted Immunity Limits ssemma 29 Magnetic Field Immunity Limits eeeessnennennenenenenns 30 Voltage Dips Short Interruptions and Variations Immunity WEAN e ss Ses een EEEE 30 Voltage Fluctuations and Flicker Limits ueeen 31 vili Purpose Audience Document Organization DLT V4 Product Specification Preface This document serves as an easy to use information source to familiarize Quantum customers and systems professionals with the DLT V4 tape drive system The DLT V4 tape drive is an extension of Quantum s Digital Linear Tape DLT product family This chapter describes the purpose scope and audience of this document It also lists the typographical conventions used in this document This document describes the tape drive listing its physical functional and performance specifications and describing the standards that the tape drive meets The primary audience for this document consists of engineers and technicians interested in integrating the tape drive into tape lib
39. t n nennen e e e ES Consumer Bulletin Scheme enennnennznnsnnennnennnn en en nn DLT V4 Product Specification Contents Contents Appendix A Regulatory Statements 33 Environmental Compliance u naunsenkersenenssssitenpenssiehensen 37 Disposal of Electrical and Electronic Equipment uneensenenesennnenenenenenennennn 37 Glossary 38 DLT V4 Product Specification Figure 1 Figure 2 DLT V4 Product Specification Figures Internal Tape Drive Mounting Hole Dimensions Bottom View 5 Mounting Hole Dimensions Side View sse 6 vi Table1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 DLT V4 Product Specification Tables Physical Dimensions wi sies eee a e 2 Weight Specifications a uuuu ie Sai tes nen 2 Proper and Acceptable DLT V4 Tape Drive Orientation 3 Functional Specifications uunsesesennseenenenesnenenenennnennenenenoneenen nennen nenne 7 Tape Drive Timing Characteristics men 10 Data Cartridge and Media Characteristics seen 11 Reliability Factors ein een nee 11 Cutfent Specifications ne annieaniinetkitaknesemenen 13 Common Mode Noise Limitations s sse eee nn ennenenn nn 14 Operating Ranges is sessi farka sirevi ien eta ee 16 Non Operating Ranges Packed or Unpacked semen 16 Half Sine Wave Pulse Shock Operating Vibration Specifications 19
40. tal Compliance Quantum is committed to providing quality products in an environmentally sound manner and to comply with all applicable environmental laws rules and regulations This product was designed manufactured and made available with consideration to worldwide laws rules and regulations applicable to the product and the electronics industry including the European Union Directives 2002 95 EC amp 2002 96 EC RoHS and WEEE For further information on Quantum s Environmental Compliance and Global Citizenship please consult the following Web site at http qcare quantum com Disposal of Electrical and Electronic Equipment This svmbol on the product or on its packaging indicates that this product should not be disposed of with vour other waste Instead it should be handed over to a designated collection point for the recycling of electrical and electronic equipment The separate collection and recycling of your waste equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment For more information about where you can drop off your waste equipment for recycling please visit our Web site at http qcare quantum com or contact your local government authority your household waste disposal service or the business from which you purchased the product DLT V4 Product Specification 37 Glossary Access v To read
41. ted below Quantum Corporate Headquarters To order documentation on this or other Quantum products contact Quantum Corporation 141 Innovation Drive Irvine CA 92617 949 856 7800 800 284 5101 Technical Publications To comment on existing documentation send e mail to doc comments uantum com Quantum Home Page Visit the Quantum home page at http www quantum com Customer Support The Quantum Customer Support Department provides a 24 hour help desk that can be reached at North South America 949 725 2100 or 800 284 5101 Asia Pacific Rim International Code 61 7 3839 0988 Europe Middle East Africa International Code 44 0 1256 848748 Send faxes for the Customer Support Department to North South America 949 725 2176 Asia Pacific Rim International Code 61 7 3839 0955 Europe Middle East Africa International Code 44 0 1256 848777 xiii Preface Send e mail for the Customer Support Department to North South America http www quantum com am service_support Index aspx Asia Pacific Rim apachelp quantum com Europe Middle East Africa eurohelo quantum com DLT V4 Product Specification xiv Chapter 1 m Physical Specifications D Se ees This chapter contains the physical description of the DLT V4 tape drive including the internal and tabletop tape drives and the environmental temperature and humidity specifications DLT V4 Product Specification 1 Physical Descripti
42. tes per axis min 19 Table 14 Random Overstress Operating Vibration Specifications PSD Spectrum Table 15 Sweep Dwell Operating Vibration Specifications DLT V4 Product Specification Chapter 6 Shock and Vibration Specifications Operating Shock and Vibration Specifications Power Spectral Density PSD Spectrum Frequency PSD Hz G Hz 5 0 0002113 20 0 0004225 200 0 0004225 800 0 0002113 Factor Criteria Comments Frequencv 5 to 500 to 5 Hz 1 Upward and Downward Range Sweep Acceleration 0 5 G 0 to Peak Level Application X Y and Z axis Sweep Rate 1 2 octave per minute Dwell on 4 lowest resonances per axis for 15 minutes each 20 Chapter 6 Shock and Vibration Specifications Non operating Shock and Vibration Specifications Non operating Shock and Vibration Specifications Non operating Shock Specifications Table 16 Non operating Unpackaged Shock Specifications Non operating Packaged Vibration Specifications Table 17 Random Survival Non operating Packaged Vibration Specifications DLT V4 Product Specification Table 16 lists the shock specifications for the tape drive without its shipping package non operating Specification 40 G Shock 142 G Shock Pulse Shape Square Wave 12 Sine Pulse Peak Acceleration 40 G 142 G Duration 10 ms 2 ms Application X Y and Z axis twice X Y and Z axis twice in each axis
43. ween a computer and peripheral controllers SDLT Super Digital Linear Tape SE Single ended SCSI Mode A term referring to the electrical characteristics of the signal used on the SCSI bus interface For each signal that needs to be sent across the bus there exists a wire to carry it SE SCSI uses one line for each signal with all lines using a common ground reference Seek The movement of a read write head to a specific data track Server A powerful computer system with a large tape drive capacity that serves the information access and communication needs of multiple users Shelf Life The length of time that media can be stored without losing its magnetic strength For VS1 media this period is 30 years or more SI The International System of Units SRAM Static RAM A memory chip that requires power to hold its content DLT V4 Product Specification 44 Glossary T Take up Reel The reel inside every tape drive onto which DL Ttape or Super DLTtape media is wound The in the tape drive take up reel enables DLTtape and Super DLTtape systems to operate using a single reel cartridge and thereby pack more media and data into every cartridge TapeAlert A firmware feature that monitors and returns the results of the tape drive s on going self diagnosis activity Tape Path The path through which media moves from the cartridge past the read write head and onto the take up reel TCM The Tape Control Module implements the functions re
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