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TLZ09 Cassette Tape DriveOwner’s ManualOrder Number: EK-TLZ09-OM. C01

Digital Equipment CorporationMaynard, Massachusetts

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October 1996

Digi ta l Equipment Corporat ion makes no representa t ions that the use of i t s products in themanner described in this publication will not infringe on existing or future patent rights, nor dothe descriptions contained in this publication imply the granting of l icenses to make, use, or sellequipment or software in accordance with the description.

© Digital E quipment Corporation 1996. All rights reserved.Pr inted in the U.S.A.

FCC NOTICE: The equipment descr ibed in t h is ma nual has been cer t ied to comply wi ththe l imi ts for a Class B comput ing device , pursuant to Subpar t J of Par t 15 of FCC Rules .Only peripherals (computer input/output devices, termina ls, printers, et cetera) certi ed t ocomply wi th the Class B l imits ma y be a t tached to th is computer. Operat ion w i th noncer t iedperipherals m ay result in int erference to ra dio and television r eception. This equipmentgenerates and uses r adio f requency energy and i f not ins ta l led and used proper ly, tha t i s , ins t r ict accordance w i th the manufacturer ’s ins t ruct ions , ma y cause in terference to r adio a ndte levision recept ion. I t has been type tes ted a nd found to comply w i th t he l imi ts for a Class Bcomput ing device in accordance wi th the specicat ions in Subpar t J of Pa r t 15 of FC C Rules ,which are designed to provide reasonable protection against such interference in a residentialins ta l la t ion. However, there is no gua rantee tha t in terference wi l l not occur in a par t icularinstalla tion. If th is equipment does cause interference to radio or t elevision r eception, w hich canbe determined by turning the equipment off and on, the user i s encouraged to t ry to correct theinterference by one or more of the following measures:

• Reor i en t t he r eceiving an tenna .

• Move the compute r away f rom the rece iver.

• Plug the computer in to a d i fferent out le t so computer and receiver are on di fferent branchcircuits.

The following a re t ra demarks of Digi ta l E quipment C orporat ion: DEC direct , DE Cmailer,DECservice, DECstation, Q–bus, SERVICenter, StorageWorks, ULTRIX, VAXstation, VMS, andthe DIG ITAL logo.

Novell and NetWare are registered t radema rks of Novell, Inc.Microsoft is a registered trademark and Windows NT is a trademark of Microsoft Corporation.Sony is a regis tered t rademark of Sony Corporat ion.Sun and Solar is are regis tered t rademarks and SunOS is a t rademark of Sun Microsystems, Inc .IBM and AIX a re regis tered t ra demarks and RS/6000 is a t rademark of Internat ional BusinessMachines Corporation.Hewlet t -Pa ckard and HP -UX are regis tered t rademarks of Hewlet t -Pa ckard Company.

S3384

This document wa s prepared using VAX D OCU MENT Version 2.1.

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Für Bundesrepublik Deutschland

For Federal Republic of Germany

Pour la République féderal d’Allemagne

BE SCHE INIGU NG DE S HERSTELLE RS/IMPORTEURS

Dieses Gerä t ist in Übereinstimmung mit den B estimmungen der BMP T Vfg.243/1991 undVfg.46/1992 in Verbin dun g mit EN 55022:1987 (DIN VDE 0878-3:11.89), oder Vfg.1046/1984mit Vfg. 483/1986, funkentstört. Es t rägt als Na chweis der EMV-Konformität entweder eineKonformitätskennzeichnung oder das VDE-Funkschutzzeichen.

Der vorschriftsmäßige Betrieb mancher Geräte (z.B. Meßsender) kann allerdings gewissenEinschrän kungen unterliegen. Bea chten Sie deshalb die unten aufgeführten Hinweise.

Für Geräte die nicht mit dem VDE-Funkschutzzeichen versehen sind wurde dem Bundesamt fürZulassungen in der Telekommunikation (BZT) das Inverkehrbringen dieses G erätes angezeigtund die B erecht igung zur Überprüfung der Ser ie auf Einhal tung der Best immungen e ingeräumt.

Betreiberhinweis

Wir sind verpichtet, S ie a uf folgende Fa kten hinzuweisen (BMP T-Amtsblattverfügung 243/91bzw. 1046/84 §2, Abschn itt 5):

Dieses Gerät w urde funktechnisch sorgfältig entstört und geprüft. Wird dieses Gerä t innerha lbeiner Anlage zusammen mit anderen Geräten bet r ieben, muß bei Inanspruchnahme der"Allgemeinen B etriebsgenehmig ung" na ch B MP T-AmtsblVfg. 243/91 bzw. 1046/84 die gesamt eAnlage den unter §2, Abschnitt 1, genannten Voraussetzungen entsprechen.

Externe Da tenkabel

Sol lte e in Austausch der von Digi ta l spezier ten Dat enkabel nöt ig werden, muß der B etreiberfür eine einwandfreie Funkentstörung sicherstellen, daß Austauschkabel im Aufbau undAbschirmqualität dem Digital Originalkabel entsprechen.

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Contents1 TLZ09/9L Cassette Tape Device Product Description

1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–11.1.1 System Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–21.2 Design Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–21.2.1 Wha t is Digita l Audio Tape (DAT)? . . . . . . . . . . . . . . . . . . . . 1–21.2.2 What is Digital Data Storage (DDS )? . . . . . . . . . . . . . . . . . . . 1–21.2.3 Wha t is the Media Recognition System (MRS)? . . . . . . . . . . . 1–31.3 TLZ09/9L Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–31.3.1 Checking Your Sh ipment for Model TLZ09-DA/DB . . . . . . . . 1–8

1.3.2 Checking your Shipment for Model TLZ9L-DA/DB . . . . . . . . 1–81.3.3 Ordering Additional Cassettes . . . . . . . . . . . . . . . . . . . . . . . . 1–9

2 Installing the Tabletop Drive or Autoloader (TLZ09-DA/DB orTLZ9L-DA/DB)

2.1 G eneral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–12.2 Shut D own, Ha lt , and P ower Off the System . . . . . . . . . . . . . . . . 2–12.3 Select ing the SCSI Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–22.4 Connecting a SCS I Signal Cable — Device to System . . . . . . . . . 2–32.5 Adding Another Ta bletop Device — Device to Device . . . . . . . . . . 2–42.6 Connecting the Power Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–5

3 Installing the TLZ09-AA/AB, -BA/BB Cassette Tape Drive3.1 G eneral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–13.2 Shut D own, Ha lt , and P ower Off the System . . . . . . . . . . . . . . . . 3–13.3 Selecting the J umper an d Switch Con gurat ion for the

TLZ09-AA/AB , -B A/B B Dr ive . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–23.3.1 SCS I ID Address J umpers . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–23.3.2 Other Optional J umper Set t ings . . . . . . . . . . . . . . . . . . . . . . 3–43.3.3 Drive Sw itch Sett ings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–43.4 Connecting a SC SI S ignal Cable — Drive to System . . . . . . . . . . 3–6

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3.5 Connecting the Power Cable and Mounting . . . . . . . . . . . . . . . . . 3–6

4 Verifying TLZ09 Cassette Tape Drive Installation4.1 G eneral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–14.1.1 Execute POST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1

5 Using the TLZ09 Cassette Tape Drive5.1 G eneral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–15.2 P ower Sw itch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–15.3 Unload But ton . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–15.4 Tape Drive LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–15.4.1 S ta t us LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–25.4.2 Tape LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–25.4.3 Busy LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–25.5 Using the Casset te Tape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–55.5.1 P roper Ha ndling of Casset te Tapes . . . . . . . . . . . . . . . . . . . . 5–55.5.2 Set ting t he Write-P rotect Ta b on the Ca ssette Ta pe . . . . . . . . 5–65.5.3 Insert ing a Ca sset te Tape into the Drive . . . . . . . . . . . . . . . . 5–7

6 Preventive Maintenance and Problem Solving6.1 Cleaning the Heads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–16.2 P roblem S olving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–36.2.1 System-Ba sed Diagnost ics . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–46.3 Repair Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–46.3.1 On-Site Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–46.3.2 B ASIC Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–56.3.3 DE Cservice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–56.3.4 Ca rry-In Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–56.3.5 DE Cma iler Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–5

6.3.6 P er Call Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–5

7 Using the TLZ9L Cassette Tape Autoloader7.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–17.2 LED Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–27.3 LCD P anel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–57.3.1 Warning Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–67.3.2 Write Protect Indicat or . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–77.3.3 Error Indicat or . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–87.3.4 7-Segment Numeric Display . . . . . . . . . . . . . . . . . . . . . . . . . . 7–8

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7.3.5 Cart r idge Number Indicat ors . . . . . . . . . . . . . . . . . . . . . . . . . 7–87.4 TLZ9L Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–97.4.1 Automat ic Operat ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–97.4.2 Manual Operat ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–97.4.3 Magazine Operat ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–107.4.3.1 Eight Cart r idge Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–107.4.3.2 Seven Cart r idge Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–117.4.3.3 Single Cart r idge Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–127.4.3.4 Loading Cartr idges Into the Maga zine . . . . . . . . . . . . . . . 7–137.4.3.5 Loading the Magazine Into the TLZ9L . . . . . . . . . . . . . . 7–147.4.3.6 Eject ing the Maga zine . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–157.4.3.7 Unloading Cart r idges From the Magazine . . . . . . . . . . . . 7–167.5 Sw itch Sett ings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–177.5.1 Switchpack Sett ings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–177.5.2 SC SI I D S elect Sw itch (TLZ9L-DA/DB Only) . . . . . . . . . . . . . 7–177.6 Cleaning Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–18

A Cassette Tape Drive and Autoloader Specications

B Enabling/Disabling Data Compression Under Digital UNIXand OpenVMS

B.1 Digit a l U NIX TLZ09 Compression a nd NoncompressionModes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–1

B.2 Dig ita l UNIX DUMP Ut i l ity . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–1B.3 OpenVMS TLZ09 Compression a nd Noncompression Modes . . . . B–2

C Product Notes for Non-Digital PlatformsC.1 P roduct Notes for Novell NetWa re and Microsoft Windows

NT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–1C.1.1 Host SC SI Int erface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–1C.2 P roduct Notes for Sun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–3C.2.1 General Informat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–3C.2.2 Modi cat ions Required for SunOS 4.1.x . . . . . . . . . . . . . . . . . C–4C.2.2.1 Instal lat ion Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . C–4C.2.2.2 System Modication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–4C.2.2.3 Rebuilding of Kernel . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–5C.2.2.4 Instal lat ion of Tape Drive . . . . . . . . . . . . . . . . . . . . . . . . C–6C.2.2.5 Rebooting of Syst em . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–6C.2.2.6 Testing the Tape Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . C–6C.2.2.7 Verication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–7

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C.2.2.8 Dump Para meters for the Tape Drive . . . . . . . . . . . . . . . C–7C.2.3 Modi cations Required for Solar is 2.3 (or lat er) . . . . . . . . . . . C–7C.2.3.1 Instal lat ion Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . C–7C.2.3.2 System Modication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–8C.2.3.3 System Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–9C.2.3.4 Instal lat ion of the Tape Drive . . . . . . . . . . . . . . . . . . . . . C–9C.2.3.5 Rebooting of System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–10C.2.3.6 Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–11C.2.3.7 Verication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–11C.2.3.8 Dump Para meters for the Tape Drive . . . . . . . . . . . . . . . C–11C.3 P roduct Notes for IB M RS/6000 . . . . . . . . . . . . . . . . . . . . . . . . . . C–12C.3.1 Modi cations Required to Opera te the Tape Drive with AIX

3.2.5 (or la ter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–12C.3.1.1 Instal l ing the Tape Drive Using the SMIT Command . . . C–12C.3.1.2 Insta lling the Tape Drive Using Comman d-Line

Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–13C.3.2 Using the Tape Drive to Instal l AIX . . . . . . . . . . . . . . . . . . . C–14C.4 P roduct Notes for Hewlet t-P ackard . . . . . . . . . . . . . . . . . . . . . . . C–15C.4.1 G eneral Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–15C.4.2 Modications Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–15C.4.2.1 Instal lat ion Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . C–16C.4.2.2 Instal lat ion of Tape Drive . . . . . . . . . . . . . . . . . . . . . . . . C–16C.4.2.3 System Modication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–16C.4.2.4 System Device Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–16C.4.2.5 HP -UX 9.05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–17C.4.2.6 HP -UX 10.x . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–18C.4.3 Testing the Tape Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–19C.4.3.1 Veri cat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–19C.4.3.2 Dump Para meters for the Tape Drive . . . . . . . . . . . . . . . C–20

Index

Figures

1–1 Model TLZ09-DA/DB (Ta bletop) . . . . . . . . . . . . . . . . . . . . . . . 1–41–2 Model TLZ09-AA/AB (3.5-inch Ch a ssis) . . . . . . . . . . . . . . . . . 1–51–3 Model TLZ09-B A/B B (5.25-Inch Ch a ssis) . . . . . . . . . . . . . . . . 1–61–4 TLZ09 Cha ssis–Un derside with Sw itch P ack . . . . . . . . . . . . . 1–73–1 Congurat ion J umper Block . . . . . . . . . . . . . . . . . . . . . . . . . 3–33–2 Drive Switch Sett ings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–55–1 TLZ09 Cassette Tape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–6

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7–1 Model TLZ9L-AA (Front a nd B ottom View) . . . . . . . . . . . . . . 7–37–2 Model TLZ9L-DA/DB (Front a nd Rear View ) . . . . . . . . . . . . . 7–47–3 TLZ9L LCD P anel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–57–4 TLZ9L Ca sset te Magazine . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–77–5 Eight Cart r idge Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–107–6 Seven Ca rtr idge Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–117–7 Single Ca rtr idge Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–127–8 Loading Cartr idges Into the Magazine . . . . . . . . . . . . . . . . . . 7–137–9 Loading the Maga zine Into the TLZ9L-DA/DB . . . . . . . . . . . 7–147–10 Unloading Ca rtr idges From the Maga zine . . . . . . . . . . . . . . . 7–16

Tables

3–1 SCS I ID J umper Settings (0= Removed, 1= Insta lled) . . . . . . . 3–35–1 TLZ09 LED St atus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–26–1 P roblem Solving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–37–1 BU SY and TAP E LE Ds Sta tus . . . . . . . . . . . . . . . . . . . . . . . . 7–2

7–2 Warn ing Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–67–3 Error Indicat ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–87–4 Switchpack Sett ings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–17A–1 TLZ09 Ca ssette Tape Drive Specicat ions . . . . . . . . . . . . . . . A–1A–2 TLZ09 Ca ssette Tape Drive Dimensions . . . . . . . . . . . . . . . . A–2A–3 TLZ09-DA Noise Declar at ion . . . . . . . . . . . . . . . . . . . . . . . . . A–3A–4 TLZ9L Ca ssette Ta pe Autoloader Speci cations . . . . . . . . . . . A–4A–5 TLZ9L Ca ssette Tape Autoloader Dimensions . . . . . . . . . . . . A–5A–6 TLZ9L-DA/DB Noise Declara tion . . . . . . . . . . . . . . . . . . . . . . A–6

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1TLZ09/9L Cassette Tape Device ProductDescription

1.1 OverviewThe TLZ09/9L D igit a l Audio Ta pe (DAT) device provides you w ith highcapacity, off-line data storage. Depending on the 4 mm da ta cassette ta pe used,the unit can typically store the following amount of data on each tape:

Tape Type (NOTES 1 and 2) No Compression Compression

TLZ04-CA (60 m, DDS-1) 1.3 G B 2.6 G B (see Note 3.)

TLZ06-CA (90 m, DDS-1) 2.0 G B 4.0 G B (see Note 3.)TLZ07-C A (120 m, D DS -2) 4.0 G B 8.0 G B (see Not e 3.)

NOTE

1. The TLZ09/9L is compa tible w ith 60 m cassett e ta pes writ ten on t heTLZ04 in the noncompressed mode only.2. The TLZ09/9L is compa tib le w ith th e TLZ06/6L us ing 60 m a nd 90m t a pes only, and wit h t he TLZ07/7L using 60 m, 90 m, a nd 120 mtapes.

3. The compression measurements are typical for a 2-to-1 da tacompression ratio, but the actual ratio is dependent on the data.

The ma ximum time t o back up (read or w rite) on a TLZ09/9L cassett e ta pein a continual (stream ing) mode is syst em dependent. The efcient use ofstream ing mode is determined by your operating system. P lease refer to yoursystem softwa re documenta tion.

TLZ09/9L Cassette Tape Device Product Description 1–1

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1.1.1 System SupportAs of this printin g, t he TLZ09/9L device is supported by a var iety of D igita lsystems. Consult your Digita l Sa les Support representa tive for a list ofsupported systems. Your part icular system must ha ve an available s tanda rdSCSI (Small Computer System Interconnect) port in order to connect theTLZ09 or TLZ9L.

1.2 Design FeaturesThe TLZ09/9L cass ette ta pe device uses s ta te of the a rt technology. Thedevice’s design incorporat es the D igital Da ta St orage (DD S) recording forma ta nd D igita l Audio Ta pe (DAT) recording t echnologies. It is a lso designed toprovide a t ransfer ra te tha t is tw ice tha t of s ta ndard DDS -2 DAT drives whilestill maintaining full DDS compatibility.

1.2.1 What is Digital Audio Tape (DAT)?DAT technology provides a high recording density with a very low error ra tethrough t he helical scan recording method. With this m ethod of recording,both t he ta pe and th e recording head move simultaneously. The read a nd w rite

heads a re locat ed on a rapidly rotat ing cylinder, or drum t hat is t i l ted a t anan gle in relation to the vertical a xis of the t ape. This causes the tra cks to berecorded dia gonally a cross th e ta pe, resulting in an extremely high recordingdensity, far higher than what is achievable with stationary-head devices.

1.2.2 What is Digital Data Storage (DDS)?DDS uses a recording format tha t supports t he use of digi tal a udio tapefor computer applicat ions. The objectives of DDS ar e to ma ximize storagecapacity and performance, facilitate data interchange, and provide very fastra ndom a ccess. In addit ion, t his format ha s th ree levels of error correction,which ensures high data integrity. The DDS-DC format, which is a supersetof the basic DDS DAT format, allows you to back up 8 gigabytes of data inapproximat ely 1.5 hours minimum w ith n o opera tor intervention, a ssuming 2:1compression ra tio.

NOTE

Use of non-DDS media may result in degraded drive performance andis not recommended by D igital Eq uipment Corpora tion.

1–2 TLZ09/9L Cassette Tape Device Product Description

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1.2.3 What is the Media Recognition System (MRS)?MRS refers to a series of alternate opaque and clear stripes at the beginningof a ta pe. This s tr iping is used to classify the media as data grade rat her thanaudio grade media. Use of MRS helps to ensure that only data grade ta pes areused in computer applications. All 120-meter cartridges support MRS. Shortermedia are available in both MRS and non-MRS types.

1.3 TLZ09/9L ModelsThe TLZ09 drive is available in several congurations:

• Model TLZ09-DA/DB (ta bletop) — a compact external unit with a built-inpower supply and fan (Figure 1–1).

• Model TLZ09-AA/AB — a 3 1/2-inch, ha lf-height drive th a t m ountsinternally (Figure 1–2 and Figure 1–4).

• Model TLZ09-B A/B B — a 3 1/2-inch dr ive in a 5 1/4-inch, h a lf-heigh tform factor allowing t he drive to be mounted interna lly (Figure 1–3 andFigure 1–4).

• Model TLZ09-VA — a TLZ09-AA mount ed in a 3 1/2-inch S tora geWorksS B B .

• Model TLZ09-AX — a eld spar e unit tha t is con gura ble to an -AA, -AB ,-B A, or -B B model. Includes bezel and ra il insta llation procedures.

NOTE

All the models have a drive buffer size of 1 MB of memory.

The TLZ9L aut oload er is ava ilable in several congura tions:

• Model TLZ9L-AA — a 5 1/4-inch, full-height a utoloader th at mountsinterna lly (Figure 7–1). This unit comes w ith a light gra y (DE C 217) bezelinstalled and a dark gray (DEC 277) bezel in the shipping carton, alongw ith bezel removal/mountin g procedures.

• Model TLZ9L-DA/DB (ta bletop) — an externa l unit wit h a built-in powersupply and fan (Figure 7–2).

• Model TLZ9L-VA/VB — a TLZ9L-AA mount ed in a 5 1/4-inch S tora geWorksS B B .


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Figure 1–1 Model TLZ09-DA/DB (Tabletop)

SCSI CONNECTOR AC IN

SCSI ID GND

0

MLO-011795

On/OffSwitch

Power OnLED

BusyLED

TapeLED

StatusLED

Eject/UnloadButton

SCSI Connectors AC PowerRecepticle

SCSI IDIndicator/Switch

+-


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Figure 1–2 Model TLZ09-AA/AB (3.5-inch Chassis)

MLO-011796

BusyLED

TapeLED

StatusLED

Eject/UnloadButton

ConfigurationJumper Block

SCSIConnector

DC PowerConnector


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Figure 1–3 Model TLZ09-BA/BB (5.25-Inch Chassis)

MLO-011797

BusyLED

TapeLED

StatusLED

Eject/UnloadButton

ConfigurationJumper Block

SCSIConnector

DC PowerConnector

5.25" SideMounting Rails

5.25" SideMounting Rails


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Figure 1–4 TLZ09 Chassis–Underside with Switch Pack

Drive Mode TLZ09 (Off)

MRS Detect Disabled (Off)Self Test Enabled (Off)Reserved (Off)

1 2 3 4

On

Off

MLO-011799


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1.3.1 Checking Your Shipment for Model TLZ09-DA/DBIn addit ion t o this manua l , ma ke sure that your shipment includes thefollowing:

• One TLZ09-DA/DB ta bletop cassette ta pe drive

• One 50-pin to 50-pin (low density to high density connector) SCS I signal

cable for drive t o system connections. P N 17-04356-01 is frost w hitean d is packaged with the TLZ09-DB , w hile P N 17-03742-09 is gra y an dis packaged with the TLZ09-DA. In the future, black cables may besubstituted for both of these varia tions.

• AC power cab le

• One blank cassette ta pe (4 mm x 120 m), (P N TLZ07-CA)

• One head cleaning cassette (P N TLZ04-HA)

• Active SC SI t ermina tor [P N 12-44026-01 (frost wh ite) or PN 12-41807-01(gray)]. In the future, black terminators may be substituted.

If y our shipment is incomplete, please conta ct your D igital sales representa tive.

1.3.2 Checking your Shipment for Model TLZ9L-DA/DBIn addit ion t o this manua l , ma ke sure that your shipment includes thefollowing:

• One TLZ9L-DA/DB ta bletop aut oloader

• One 50-pin to 50-pin (low density to high density) SCS I signal cable fordrive t o system connections. P N 17-04356-01 is shipped a t present , butmay be replaced with a black cable in the future.

• AC power cab le

• Eight bla nk cassett e tapes (4 mm x 120 m, P N TLZ07-CA) preload ed in aneight-slot tape cassette magazine (PN TLZ9L-08)

• One head cleaning cassette ta pe (P N TLZ04-HA)

• Active SC SI t erminator. P N 12-44026-01 is shipped at present, but may bereplaced with a black terminator in the future.

If y our shipment is incomplete, please conta ct your D igital sales representa tive.


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1.3.3 Ordering Additional CassettesTo order a dditional blank cassette ta pes a nd h ead cleaning cassettes, conta ctyour Digital sa les representat ive or DE Cdirect. Refer to the following partnumbers.

• Five blank casset te tapes (4 mm x 60 m) (P N TLZ04-CB )

• Five blank cassett e ta pes (4 mm x 90m) (P N TLZ06-CB )• Five blank cassett e ta pes (4 mm x 120m) (P N TLZ07-CB )

• One head cleaning cassette (P N TLZ04-HA)


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2Installing the Tabletop Drive or Autoloader(TLZ09-DA/DB or TLZ9L-DA/DB)

2.1 GeneralThis cha pter sh ows you h ow t o insta ll th e TLZ09-DA/DB ta bletop ca ssetteta pe drive or TLZ9L-DA/DB ta bletop cas sette t a pe aut oloa der on syst emswit h a n external SC SI connector. Read the following sections to complete th einstallation.

2.2 Shut Down, Halt, and Power Off the SystemIf you a re inst a lling a TLZ09-DA/DB ta bletop ca ssette t a pe drive or a TLZ9L-DA/DB ta bletop cassett e ta pe autoloader on a running syst em, ha ve yoursystem ma na ger perform the following steps:

1. Shut down the operat ing system.

2. Hal t the system.

3. Set al l system power switches off .

Installing the Tabletop Drive or Autoloader (TLZ09-DA/DB or TLZ9L-DA/DB) 2–1

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2.3 Selecting the SCSI AddressTo familia rize yourself wit h t he TLZ09 drive and TLZ9L a utoloader:

1. Refer t o Figure 1–1 for t he locat ion of the butt ons, switches, an d connectorson the tabletop drive and to Figure 7–2 for the location of the buttons,switches, an d connectors on t he t abletop aut oloader.

2. Note tha t a ll connections are made a t th e rear of the tabletop enclosure.Your system uses a SC SI ID switch to identify, or address, the drive. The SCS IID is factory set at 0. I f you a re insta l ling the drive on a system tha t is alreadyusing SCSI ID 0, use any ava ilable SCS I ID. (You ma y ha ve to consult yoursystem manager.)

To set/chan ge th e S CS I a ddress:

1. Locat e the SCSI address switch a t t he rear of the tabletop enclosure.

2. Select the SCS I a ddress for the drive or aut oloader. P ress the + or -button unt il the desired a ddress (0 through 7) appears in t he window. SeeFigure 1–1 for t he drive a nd F igure 7–2 for the a utoload er.

NOTE

If you a re instal l ing a ny other drive variant , refer to Cha pter 3.Turn off all power before connecting th e ca bles and th e termina tor.

The drive must be turned off and then on for switch settings to takeeffect, or a SC SI bus reset must be received.

2–2 Installing the Tabletop Drive or Autoloader (TLZ09-DA/DB or TLZ9L-DA/DB)

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The ta bletop devices provide tw o SC SI connectors to a llow daisy cha ining.Eith er connector can connect to the host computer or a ny SCS I device in adaisy chain.

• If the tabletop is the last device in the chain an interface cable is at t achedto one connector and an active SCSI terminator is installed in the otherconnector.

• If the device is within the chain, the interface cable from the precedingdevice is connected in one connector; an interface cable is also connectedfrom the other connector to the following device.

NOTE

Make sure that the last SCSI device on the bus is terminated correctlyan d is jumpered t o supply t erminat ion power

2.4 Connecting a SCSI Signal Cable — Device to System

If you are connecting a TL Z09-DA/DB drive or TL Z9L-DA/DBautoloader directly to your system, you should use the SCSI signalcable supplied as part of your system installation ki t.

If you do not ha ve this cable, contact your D igital sa les representa tive. Youshould use a cable supplied by Digital Equipment Corporation. Failure to doso can result in degraded performance of your tabletop device.

To connect a SC SI cable — device to syst em — perform th e following:

1. Connect one end of the cable to the system SCS I connector.

2. Connect th e other end of the SCS I signal cable to either SCSI connector onth e rea r of t he TLZ09-DA/DB driv e or TLZ9L-DA/D B a ut oloa der.

3. Secure the SC SI cable by sna pping the w ire cable clamps (on either side ofthe SC SI connector) into place.

4. Connect t he SCSI terminator to the other SC SI connector on the rear ofthe TLZ09-D A/D B dr ive or TLZ9L-DA/DB a ut oload er.

5. Secure the termina tor by snapping the wire cable clamps (on either side ofthe SC SI connector) into place.


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2.5 Adding Another Tabletop Device — Device to DeviceIf you ha ve one SC SI ta bletop device a lready connected t o your syst em, youcan conn ect th e TLZ09-DA/DB dr ive or th e TLZ9L-DA/DB a ut oloa der t o tha tdevice. For device t o device connections, use a 50-pin low density to 50-pin low densi ty SC S I s igna l cab le [P N 17-03926-02 (gra y), 17-04370-01 (frost w hit e), orequivalent].

Care should be ta ken t o ensure that total SC SI cable length is w ell within t heSC SI speci cation limit of 6 meters for 5 MB /s tr a nsfer speeds (including cablelength w ithin the syst em enclosure). When opera ting a t FAST SC SI (10 MB /s)transfer speeds, the total cable length must not exceed 3 meters. It is alsoimportant to ensure that the drive is congured to supply terminator power tothe bus (default con gurat ion). See Cha pter 3 or C ha pter 7 for jumper/switchcongurations.

1. If present , remove the SCSI t erminat or from the exist ing SCSI drive.

2. Connect one end of the SCS I signal cable (see part numbers above) tothe existing SC SI device, observing t he correct orientat ion of t he cableconnector.


4. Connect th e other end of the SCS I signal cable to either SCSI connector onth e TLZ09-D A/D B dri ve or TLZ9L-DA/DB a ut oloa der, observin g t he correctorientation of the cable connector.


6. Connect th e SCS I termina tor to the other SC SI connector on the TLZ09-D A/D B driv e or TLZ9L-D A/D B a ut oloa der, observing t he correct orient a tionof th e cable connector.

2–4 Installing the Tabletop Drive or Autoloader (TLZ09-DA/DB or TLZ9L-DA/DB)

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2.6 Connecting the Power CableThe ta bletop devices ha ve an a utora nging power su pply. Refer to Ta ble A–1 orTa ble A–4 for volta ge specicat ions.

To connect t he power cable, pr oceed a s follows:

1. B e sure th a t t he TLZ09-DA/DB drive or TLZ9L-DA/DB a utoloader powerswitch is off (0).

2. Conn ect th e pow er cable t o the TLZ09-D A/D B drive or TLZ9L-D A/D Bautoloader power connector.

3. Connect th e other end of the power cable to a nea rby ac outlet.

NOTE

Multivendor C ustomer S ervices personnel: The power cable disconnectsthe d evice from the m ain ac power source.

P roceed t o Cha pter 4.


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3Installing the TLZ09-AA/AB, -BA/BBCassette Tape Drive

3.1 GeneralThis cha pter show s you h ow t o inst a ll t he TLZ09-AA/AB 3.5-inch a nd TLZ09-B A/B B 5.25-inch form fa ctor) cassett e ta pe drives in a syst em enclosureor external expan sion box. Read the following sections to complete theinstallation.

3.2 Shut Down, Halt, and Power Off the SystemIf you are installing a TLZ09 drive on a running system, have your systemma na ger perform the following steps:

1. Shut down the operat ing system.

2. Hal t the system.

3. Set al l system power switches off .

Installing the TLZ09-AA/AB, -BA/BB Cassette Tape Drive 3–1

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3.3 Selecting the Jumper and Switch Conguration for theTLZ09-AA/AB, -BA/BB Drive

To fam iliarize yourself w ith th e TLZ09 drive:

1. Refer to Figures 1–2 through 1–4 for t he location of the butt ons, switches,a nd connectors on t he TLZ09 drive.

2. Note that al l connections are made a t the rear of the drive.

3.3.1 SCSI ID Address JumpersYour system uses a SCS I ID jumper block t o identify, or a ddress, the TLZ09.The SCS I I D is fa ctory set a t 0. If you are installing the TLZ09 on a systemtha t is already using SCSI ID 0, use any ava ilable SCSI ID. (You ma y ha ve toconsult your system ma na ger.)

To set/chan ge th e SC SI a ddress, refer t o Figure 1–2 and Figur e 3–1 for jumperblock location, then:

1. Refer to Figure 3–1 for jumper congura tion.

2. Select a unique address number w ith the rst three jumpers on the left .

Table 3–1 shows the SCS I IDs (0 through 7) an d Figure 3–1 shows a close-upview of the jumpers.

NOTE

If you a re instal l ing t he ta bletop variant , refer t o Chapter 2.

Turn off all power before connecting th e cables.The drive must be power cycled for switch settings to take effect, or aSC SI bus reset m ust be received.

NOTEMake sure tha t both ends of the SC SI bus a re terminat ed correctly. Forthe drive, termina tion is enabled by insta lling a jumper on pins 13 and14 of th e jumper block.

3–2 Installing the TLZ09-AA/AB, -BA/BB Cassette Tape Drive

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Table 3–1 SCSI ID Jumper Settings (0=Removed, 1=Installed)

SCSI IDPins 1and 2

Pins 3and 4 Pins 5 and 6

0 0 0 0 (defa ult set t ing)

1 0 0 1

2 0 1 03 0 1 1

4 1 0 0

5 1 0 1

6 1 1 0

7 1 1 1

Figure 3–1 Conguration Jumper Block

SCSI ID 2SCSI ID 1SCSI ID 0Data Compression Enabled

Terminator Power EnabledTermination DisabledReservedSCSI Parity Enabled

MLO-011798

1 3 5 7 9 11 13 15

2 4 6 8 10 12 14 16

NOTEThe drive must be powered down an d t hen powered up for new jumpersettings t o ta ke effect.


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3.3.2 Other Optional Jumper SettingsThe rema ining jumpers a llow you to set up t he following con gurat ion options:

• P arit y ena ble/disable (jumper 9–10): Default = pa rity ena bled (jumperinstalled on pins 9–10)

• Compression enable/disable at power up (jumper 7–8): Default =

compression enabled at power up (jumper removed from pins 7–8)• Terminat ion enable/disable (jumper 13–14): Default = termina tion disabled

(jumper removed from pins 13–14)

• Terminat or power enable/disable (jumper 15–16): Default = termina torpower enabled (jumper installed on pins 15–16)

Figure 3–1 shows the default sett ings for these jumpers.

NOTE

The drive must be turned off and then on for switch settings to takeeffect, or a SC SI bus reset must be received.Although jumper 7–8 is removed by default (compression enabled),you may turn compression on and off with a software switch. ConsultAppendix B or Appendix C for the command format.

3.3.3 Drive Switch SettingsThe drive switch (see Figure 3–2) allows you to congure the following options:

• Drive Mode (S1): Sw itch defaults to off for TLZ09 mode (on indicatesgeneric mode)

• Media Recognition Syst em Detect Ena ble/Disa ble (S2): Sw itch defaults tooff for no MRS detection.

• Self-Test Ena ble/Disable (S3): Sw itch defaults to off to enable diagn osticself-test a power-up and reset.

• Reserved (S4): This switch is reserved and should be in the off position.


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Figure 3–2 Drive Switch Settings

Drive Mode TLZ09 (Off)MRS Detect Disabled (Off)Self Test Enabled (Off)Reserved (Off)

1 2 3 4

On

Off

MLO-011799


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3.4 Connecting a SCSI Signal Cable — Drive to SystemIf you are connecting a TL Z09 drive directly to your system, youshould use a SCSI signal cable supplied as part of your systeminstallation kit.

If you do not ha ve this cable, conta ct your Digita l sales representat ive. Youshould use a cable supplied by Digita l. Fa ilure to do so can result in degradedperforma nce of your TLZ09 drive.

To connect a SC SI cable — drive to system — perform th e following:

1. Connect one end of the cable to the system SCS I connector.

2. Connect t he other end of the SC SI signal cable to the SCSI connector onthe rear of the TLZ09 drive (Figure 1–2 and Figure 1–3).

3.5 Connecting the Power Cable and MountingConnect the system internal power cable located at the rear of the drive(Figure 1–2 and Figure 1–3).

NOTE

Multivendor C ustomer S ervices personnel: The power cable disconnectsthe drive from dc power genera ted by the m ain ac power source.


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4Verifying TLZ09 Cassette Tape DriveInstallation

4.1 GeneralTo verify successful inst a llat ion of t he TLZ09 drive, execute t he power-onself-test (POST).

4.1.1 Execute POSTTo execut e P OS T:

1. For a ta bletop unit , press the power switch to the on or | posi t ion(Figure 1–1).For a drive in a system enclosure, turn the system power source to the onposition.

2. Observe that af ter a two second delay, with no casset te in the drive, theLED s w ill ash off and on t wice, fol lowed by each LE D l ighting in asequence from left to right until the completion of self-tests.With a cassett e in th e drive, th e Tape a nd B usy indicators will continueashing (approximately 20 seconds) after completion of the above sequenceuntil the cassette is loaded.

3. After successful completion of POS T, all LE Ds w ill be extinguished. If

a casset te is loaded, the Tape LED wil l remain on. If the casset te iswrite-protected, the Status LED will also remain on.

4. If the Sta tus LED a shes twice every 1.25 seconds with the a shesoccuring close together followed by some delay, then POST failed. Attemptto clear the failure by re-executing P OST. (Power off a nd power on thedrive.) If t he failure repeats itself, call Multivendor Customer Services.

Verifying TLZ09 Cassette Tape Drive Installation 4–1

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After successful execution of POS T, ha ve your system m an ager restart thesystem a nd assign a device name to your TLZ09 drive if necessary. Optiona lly,you can run a full system or SCS I bus test . See your system owner ’s ma nualfor specic instructions.

NOTE

If a ta pe is loaded, the Tape indicat or s ta ys on. If the ta pe is w ri te-protected, the Status indicator will also remain on.

4–2 Verifying TLZ09 Cassette Tape Drive Installation

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5Using the TLZ09 Cassette Tape Drive

5.1 GeneralThis chapter shows you how to use t he TLZ09 drives, buttons, a nd indicat ors(Figures 1–1 through 1–3). It also shows you how t o use cassette ta pes.

5.2 Power SwitchFor a ta bletop unit, press the power switch t o turn the TLZ09 drive on or off.If you are not using the TLZ09 drive for prolonged periods of time, check withyour system ma na ger for t he correct procedure to shut down your system orpower off the drive.

5.3 Unload ButtonP ress and hold t he unload but ton for 1 to 2 seconds to eject the cassette t ape.

CAUTION

P ressing the unload button during normal t ape operat ions may hal t thetape operation in progress.

5.4 Tape Drive LEDsThe B usy, Tape, a nd S ta tus LE Ds provide information on a variety ofopera tiona l condit ions on t he drive. Ta ble 5–1 describes th ese indica tors. TheLE D color is a mber for a ll three LED s. See Figure 1–1 or Figure 1–2 for LE Dlocations on the bezel.

Using the TLZ09 Cassette Tape Drive 5–1

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5.4.1 Status LEDThis indicator comes on solid w hen t he cassette is w rite-protected. It also ha sother indica tions a s documented in Ta ble 5–1.

5.4.2 Tape LEDThis indicat or comes on solid when a cassett e is loaded. It ashes during

loading and unloading. I t a lso has other indicat ions a s documented inTable 5–1.

5.4.3 Busy LEDThis indica tor comes on during SC SI , or drive activity. See a lso Ta ble 5–1.

Table 5–1 TLZ09 LED Status

Condition Busy LED Tape LED Status LED

No t a pe loa ded Off Off Off

Ta pe loaded,write-enabled

Off On Off

Ta pe loaded,write-protected Off On On

No SC SI /Dr iveactivity

Off Ta pe loa d st a tus Write-prot ect st a tus

SC SI /Dr iveactivity

On during SCSIactivity, a shestwice per second ondrive activity

Tape load s ta tus Wri te-protect s ta tus

Load /U nloadsequence

Flashes twice persecond dur ingsequence, thenindicates activity

Flashes tw iceper second, thenindicates eithertape loaded (on) orunloaded (off)

Write-protect status

Reset sequence Flashes on for 1second Off, then indicatestape load status. Off, then indicateswrite-protect status.

(continued on next page)

5–2 Using the TLZ09 Cassette Tape Drive

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Table 5–1 (Cont.) TLZ09 LED Status


Power-on withP OST ena bled

Off for tw o seconds,then ashes twicein one second.Then ashes insequence withTape and Sta tusLEDs left to r ight.This repeats untilself-test s complete.

Off for tw o seconds,then ashes twicein one second.Then ashes insequence withBusy and S ta tusLEDs, left to r ight.This repeats untilself-test s complete.

Off for two seconds,then ashes twicein one second. Thenashes in sequencewith B usy and TapeLEDs, left to r ight.This repeats untilself-test s complete.

Test s Com plete,No Fa ilure

Norma l opera t ion Norma l opera t ion Norma l opera t ion

S elf -Tes t f a ilu re N ot a p plica b le N ot a p plica b le F la s h es t w ice ev er y1.25 seconds wit h thea shes occurring closetogether, then somedelay.

Power-On withP OST disabled

Off for tw o seconds,then ashes twicein one second

Sa me a s B usy Sa me a s B usy

Error RateWarning

N ot a pplica ble On e lon g a s hevery four seconds.Media may needchanging or driveneeds to be cleaned.

Not applicable

Drive mecha-nism failure

N ot a pplica ble N ot a pplica ble F la sh es on ce ever y1.25 seconds

Drive cleaningrequest (timerexpired)

Not a pplica ble Not a pplica ble On e lon g a sh ever yfour seconds. Cleandrive.

Cleaning tapeinserted (goodtape)

Flashes twice persecond dur ingcleaning cycle,then indicatesactivity. On duringsubsequent unloadsequence.

On On if dr ive w a s notrequesting a cleaning.One long ash everyfour seconds if drivewas requesting acleaning cycle. Onduring subsequentunload sequence.



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Table 5–1 (Cont.) TLZ09 LED Status


Cleaningtape inserted(expired tape)

Off On Fla shes tw ice persecond. Continuesuntil eject button ispushed, at which t imea normal unload cycleis initiated.


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5.5 Using the Cassette TapeDigital Equipment Corporation recommends that you use only DDS certiedtapes. The following sections describe how to:

• Ha ndle and store ta pe (Sect ion 5.5.1)

• Write-protect tape (Section 5.5.2)

• Insert and remove ta pe (Sect ion 5.5.3)

WARNING

Always place the tape label in the recessed area on the cassette. Neverplace one la bel on top of an other label.

NOTE

Use of non-DD S media m ay result in degrad ed drive performa nce. Werecommend t he use of Digital Eq uipment Corpora tion media.

5.5.1 Proper Handling of Cassette TapesTo ensure optim a l performa nce from your cassett e ta pes, observe the followin gguidelines when handling them.

• Avoid placing the casset te tapes near sources of electromagneticinterference, such a s termina ls, and video or X-ra y equipment. Em issionsfrom such equipment can erase data on the tape.

• Keep casset te tapes out of direct sunlight and awa y from heat ers and othersources of heat.

• Store casset te tapes (and cleaning casset te) where the room temperatures

are between 5 and 32°C (40 and 90°F).• Store casset te tapes in a dust-free environment where the relat ive humidity

is 20 to 60%RH .


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5.5.2 Setting the Write-Protect Tab on the Cassette TapeIf you are using the tape to read or are copying from the tape, we recommendtha t you set the w rite-protect ta b to w rite-protected. This disables wr itingto ta pe, a nd ensures tha t data wil l not be accidenta l ly overwri t ten. Thewrit e-protect ta b contra sts in color t o the cart ridge body. Use a pen (NOT AP ENC IL) to set the writ e-protect ta b (Figure 5–1) to t he desired position.

NOTE

The ta b is not visible when t he cassette ta pe is loaded in th e TLZ09drive.

Figure 5–1 TLZ09 Cassette Tape

TAB

PROTECTED ENABLED

WRITE WRITE

WRITE-PROTECT

Observe th e following guidelines w hen setting the writ e-protect ta b.

• If you are reading data (copying from the tape), set the wri te-protect ta b towrit e-protected by sliding t he ta b to t he left.

• If you are wri t ing data , set the wri te-protect ta b to wri te-enabled by slidingthe ta b to the r ight .

• The write-protect ta b position is shown on the front pa nel Write-P rotectindicator.


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5.5.3 Inserting a Cassette Tape into the DriveInsert the TLZ09 cassette t ape int o the drive with the cassette’s w rite-protectta b on the right, facing you. Remove the ta pe by depressing th e ta pe ejectbutton.

CAUTION

The drive should never be tra nsported w ith a ta pe load ed in th e drive.Tape da ma ge and possible loss of data ma y result. Alwa ys unload thetape prior to transporting the drive.


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6Preventive Maintenance and ProblemSolving

This chapter describes preventive ma intenan ce and problem solving for t heTLZ09 cassette t ape dr ive. P reventive ma intenan ce involves periodic headclea ning. P roblem solving is described in Ta ble 6–1.

St at istics show t ha t over 90%of drive-related problems ar e associated w ith t hemedia. Therefore, D igital E quipment Corpora tion strongly recommends tha tyou follow the instr uctions for ha ndling cassette ta pes a nd clean ing the h eadsof the d rive.

6.1 Cleaning the HeadsThis section show s you how t o perform TLZ09 hea d clea ning. The hea ds a rethe components tha t physical ly read and wri te da ta to and from t he media (inthis case, a cassette ta pe).

Digital Equipment Corporation recommends that you perform thehead cleaning procedure after the rst four hours of tape movementwith a new cartridge and thereafter once every 2 weeks, or after every24 hours of drive usage, whichever comes rst .

Under normal conditions, it should not be necessary to exceed thiscleaning schedule. If a particular data cassette causes problems, try

changing to another data cassette .

Preventive Maintenance and Problem Solving 6–1

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CAUTION

Never attempt to clean the heads in a manner other than described.Doing so will void the product w ar ra nty.

To clean t he heads, use the h ead cleaning cassette as follows:

1. Apply power t o the drive by pressing th e power sw itch to the on position onthe system external storage expander box, the tabletop drive unit, or thesystem enclosure for embedded drives.

2. Insert t he head clean ing cassette (P N TLZ04-HA) into the drive.

3. With t he head cleaning casset te inserted, the drive aut omat ical lyexecutes hea d cleaning. The drive ejects the h ead cleaning cassetteafter approximately 30 seconds if head cleaning is successful.

4. On the card enclosed with th e head cleaning cassette, record every timeyou use the cassette.Under normal conditions, the head cleaning cassette is used for about25 cleanings. Additional cassettes are available from your Digital salesrepresentat ive or D EC direct.If t he number of cleaning cycles of a part icular head cleaning cassette ha sexpired, the drive wil l s ignal t he user by ashing the S ta tus LE D while theB usy LE D is off a nd t he Tape LE D is on (See Table 5–1). P ress the ejectbutton to remove the cleaning cassette, as the drive will not automaticallyeject an expired clean ing cart ridge. No cleaning action w ill ha ve occurred.

6–2 Preventive Maintenance and Problem Solving

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6.2 Problem SolvingTa ble 6–1 describes dr ive problems a nd possible solutions. See a lso Ta ble 5–1.

Table 6–1 Problem Solving

Symptom Probable Cause Possible Solution

Unable to back up or copydata to cassette tape.

Cassette write-protected.

1. Set write-protect tab oncassette t o wr ite-enabled.

No t a pe in dr ive. 2. I nser t t a pe.

Dirty head or badmedia.

3. Clean head or replacemedia.

Tape LE D ash es twice per1.25 seconds with ashesoccurring close together.

E r ror r a t e w a r n in g P e rf or m h ea d clea n in gprocedure (see S ection 6.1).If error repeat s, try anothertape.

Sta t us LED a shes onceevery four seconds.

Cleaning intervaltimer expired.

Eject tape. Perform headcleaning procedure (seeSection 6.1).

Sta tus LED a shes onceevery 1.25 seconds. Drive mechanismfailure Eject tape. Power off andpower on the drive. If errorrepeats, call MultivendorCust omer Services.

After applying power andself-test has completedsuccessfully, t he Ta pe LE D isnot lit.

No t ape loa ded. Loa d t ape.

Drive not avai lable to sys tem. Drive not plugged in . 1. Make sure power cable i splugged in an d check power.

SCSI ID jumpers set toincorrect a ddress.

2. Check SCSI ID jumpers.

Defect ive SCSI cab le. 3. Be sure SCSI cab leconnections are secure.

Incorrect termination,or no term power

4. Verify termination andtha t term power is beingsupplied to both ends of thebus.

Poor performance or low capacity.

Dirty head or wornmedia.

1. Clean heads or replacemedia.



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Table 6–1 (Cont.) Problem Solving

Symptom Probable Cause Possible Solution

Operat ing in non-buffered mode.

2. Host is putt ing the drivein non-buffered mode. U seSCSI Mode Select commandwith buffered mode enabledin host software.

Drive not being keptstreaming.

3. Too much oth er syt emactivity in process, ordumping to tape from slow device.

6.2.1 System-Based DiagnosticsYour system ha s system-based dia gnostics t ha t can be used to test the TLZ09drive.

System-based diagnostics are usually referred to in your system owner ’smanua l a s console-based di agn osti cs, sel f-t ests, or system exer ciser s . Refer to

your system documenta tion for informa tion a bout these diagnostics.B efore calling Multivendor C ustomer S ervices, you can execute systemdiagnostics to test the TLZ09 drive.

NOTE

Some system-based diagnostics a re subject t o softw are licensing.Consult your Digita l sales representat ive.

6.3 Repair ServicesMultivendor Customer Services offers a range of exible service plans.

6.3.1 On-Site ServiceOn-site service offers the convenience of service at your site and insuranceaga inst unpla nned repair bills. For a monthly fee, you receive persona l servicefrom our service specialist s. Within a few hours, th e specialist is dispat chedto your s i te with equipment and parts t o give you fast a nd dependablemaintenance.

6–4 Preventive Maintenance and Problem Solving

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6.3.2 BASIC ServiceB ASIC Service offers full coverage from 8 a .m. to 5 p.m., Monda y t hroughFrid a y. Options a re a va ilable t o extend your coverag e to 12-, 16- or 24-hourperiods, and to include Saturdays, S undays, a nd holidays. Under the B ASICservice plan all parts, materials and labor are covered in full.

6.3.3 DECserviceDECservice offers a premium, on-site service for committed response toremedial service requests ma de during contra cted h ours of coverage. Remedialma intenan ce w ill be performed continuously unt il th e problem is resolved,wh ich ma kes this service ideal for customers requiring ma ximum serviceperformance. Under DECservice all parts, materials, and labor are covered infull.

6.3.4 Carry-In ServiceCa rry-in service offers fast , persona lized response, a nd the a bility to plan yourma intenan ce costs for a sma ller m onthly fee tha n on-site service. When youbring your unit to one of the many Digital SERVICenters worldwide, factory-tra ined personnel repair your unit w ithin 2 da ys. This service is ava ilable onselected terminals and systems. Contact your local unit. Digital SERVICentersare open during normal business hours, Monday through Friday.

6.3.5 DECmailer ServiceDE Cma iler offers expert repair a t a per use charge. This service is designedfor users w ho ha ve the technical resources to t roubleshoot, identify, a nd isolat ethe module causing the problem. Mail the faulty module to our CustomerReturns Center where the module is repaired and mailed back to you within 5days.

6.3.6 Per Call ServiceP er call service offers a ma intenan ce progra m on a noncontractua l, time-an d-

ma terials-cost ba sis. It is appropriat e for customers w ho have t o perform rst-line ma intenan ce, but ma y occasionally need in-depth support fromMultivendor Customer Services.


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7Using the TLZ9L Cassette Tape Autoloader

7.1 OverviewThe TLZ9L cassette tape autoloader (Figure 7–1 and Figure 7–2) provides veryhigh capacity una ttended ba ckup, as w ell as support for th e full random a ccesscomma nd set a s de ned by S CS I-2. It is packag ed in a 5 1/4-inch, full-heightform factor wit h a n embedded TLZ09 cassett e ta pe drive, a nd provides a ll thefunctiona lity an d fea tures of t he TLZ09.

The TLZ9L autoloader is NOT a eld upgrade option for the TLZ09 tape drive.It m ust be purcha sed as a single unit. With th e 8-cartridge ma gazine (P N

TLZ9L-08), t he TLZ9L a utoloader provides up to 64 giga bytes of stora ge.

Using the TLZ9L Cassette Tape Autoloader 7–1

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7.2 LED IndicatorsThe ba sic TLZ9L a utoloader ha s t wo LE Ds labeled B US Y a nd TAP E. Thetabletop TLZ9L autoloader has an additional LED indicator labeled POWERwh ich illuminat es when power is applied.

The sta tus of the B US Y an d TAP E LED s during va rious conditions is describedin Table 7–1.

Table 7–1 BUSY and TAPE LEDs Status

Condition BUSY LED Status TAPE LED Status

Idle OFF N/A

SCSI a ct ive St ea dy green N/A

Drive a ct ive Fla shing green N/A

Writ e in progress Fla shing a mber St ea dy green

Firmware upgrade inprogress

Fla shing a mber Fla shing a mber

No ca rt ridge in drive N/A OFF

Ca rt r idge in drive N/A S tea dy green

Loa ding or unloa ding N/A F la shing green

7–2 Using the TLZ9L Cassette Tape Autoloader

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Figure 7–1 Model TLZ9L-AA (Front and Bottom View)

BUSY

TAPE

EJECTSELECT

Eject ButtonBusyLED

TapeLED

CartridgeSelect Button

LCD

1 3 45 6 7 C

2WP

1

2

34

On

Continuous-CycleMode Disabled (ON)

Reserved (ON)

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Figure 7–2 Model TLZ9L-DA/DB (Front and Rear View)

SCSI CONNECTOR

AC IN

SCSI ID

0

POWERBUSY

TAPE

EJECTSELECT

Magazine DoorPower On LED

Eject ButtonPowerSwitch

BusyLED

TapeLED

CartridgeSelect Button

LCD

1 3 45 6 7 C

2WP

GND

SCSI ConnectorsGround

ConnectionSCSI IDSwitch AC Receptacle

CoolingFan

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7.3 LCD PanelThe liquid crysta l display (LCD ) panel on th e TLZ9L aut oloader contains veseparate indicators that provide status as well as error information to the user(see Figure 7–3).

Figure 7–3 TLZ9L LCD Panel

1 3 45 6 7 C

2WP

Error Indicator

Warning Indicator

Write-ProtectIndicator

7-Segment NumericIndicator

Cartridge NumberIndicator

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7.3.1 Warning IndicatorThe w ar ning indicator is illuminated upon occurrence of a wa rning condition.When this indicator is lit in combination with a number in the 7-segmentdisplay, a particular w ar ning or caution can be indicat ed. Table 7–2 lists thewarning and numeric combinations with a description of what they indicatewhen l i t .

Table 7–2 Warning Indications

Indicator and Number Indication

1Indicat es a clean ing request. (Drive needs cleaning.)Illuminated upon expiration of a 24 hour timer as well aswith the occurrence of certain medium errors. Insert thecleaning tape to clear.

2End of tape reached during cleaning. Cleaning did notoccur. Discard the cleaning ta pe, replace with a new cleaning tape, and retry cleaning.

3DDS cartridge loaded with incorrect orientation or slideshutt er is positioned incorrectly. Remove all cart ridges

from the magazine, then reload them correctly.

4Magazine does not contain correct number of cartridges.Reload magazine with 1, 7, or 8 cartridges.


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7.3.2 Write Protect IndicatorThe Write-Protect indicator (WP) is illuminated when a write-protectedda ta car tridge is inserted into the drive. Write-protect can be set by thewrit e-protect ta b on either th e ma gazine (write-protects a ll cartridges in t hema gazine) or t he individual t ape cartr idge (writ e-protects t he individual da tacartridge). Figure 5–1 shows t he writ e-protect t ab on t he individual ta pe

cartridge a nd Figure 7–4 shows t he wr ite-protect t ab on the ma gazine.

Figure 7–4 TLZ9L Cassette Magazine

Slide LatchLabel AttachmentPosition

Write-protect Tab

SAVE

REC

SAVE

REC

Write Protected

Write Enabled

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CAUTION

The w rite protection sta tus of the m aga zine is determined by checkingthe r eective plate on t he w rite-protect ta b. In order t o ensure correctdetermination of the status, keep the plate reasonably clean, and neveraf x labels or the like over the w rite-protect ta b.

If a magazine label is used, ensure that it is properly positioned in therecessed " label a tt achment ar ea." Improper positioning could cause th emaga zine to jam.


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7.3.3 Error IndicatorThe error indicat or is illuminated when certa in errors occur. When t hisindicator is lit in combination with a number in the 7-segment display, apart icular error can be indicat ed. Table 7–3 lists the error a nd num ericcombinations with a description of what they indicate when lit .

Table 7–3 Error IndicationsIndicator and Number Error Message

1 Loader mechan ism er ror. Ca l l s erv ice per sonnel .

2 Embedded d r ive er ror. Ca l l s erv ice per sonnel .

3 M ed ia er ror. R epla ce t a pe ca r tr id ge.

4 Ca r t r idge s tuck in t he d r ive. Ca l l s erv ice per sonnel .

7.3.4 7-Segment Numeric DisplayThe 7-segment display normally displays th e number of the dat a cartridge tha tis currently loaded in th e drive.

When t he S elect button is pushed, this 7-segment display shows th e numberof the cartr idge tha t ha s been selected. After 5 seconds, t he selected cart ridgewill be loaded into the dr ive.

When either the War ning or Err or indicat ors are lit , t he 7-segment displayindicat es th e speci c type of wa rning or error (see Ta ble 7–2 and Ta ble 7–3).

7.3.5 Cartridge Number IndicatorsThe eight boxes at the bottom of the LCD panel a re individually lit to indicatewh ich slots in th e ma gazine conta in cartr idges. The boxes will blink to indicatetha t a cartr idge is being loaded. A box tha t is not l i t indicates tha t a cart r idgeis not in that slot of the magazine (for example, the cartridge is loaded in thedrive). The box will become lit aga in once the cart ridge is returned t o tha t slotin the ma gazine.


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7.4 TLZ9L OperationThe TLZ9L cassette t ape a utoloader can operate in tw o wa ys; a utomat ically orma nua lly. It can a lso be opera ted in tw o modes; sequential or ra ndom access.

CAUTION

Never t ransport the a utoloader with a maga zine instal led. Da mage tothe tapes, autoloader, or magazine may result due to movement of themaga zine. Da ta loss may occur i f a ta pe is loaded in the drive. Alwaysunload the magazine prior to transporting the autoloader.

7.4.1 Automatic OperationsDuring aut omatic operations, the TLZ9L cassette ta pe aut oloader can functionin sequential and random access modes at the same time.

In sequential mode, upon receipt of a SCSI unload command, the autoloaderunloads the current cassette and automatically cycles to the next cassette inthe ma gazine. I t continues t o unload and cycle to the next casset te unti l t helast cassette ha s been unloaded. When th is process is complete, the m aga zinestops t o prevent accidental overwrite of da ta unless the continuous cycle switch(see Section 7.5.1 and Figure 7–1) is set. When t he ma gazine st ops, it ma ythen be un loaded.

In random access mode, the autoloader responds to all of the SCSI randomaccess commands.

7.4.2 Manual OperationsManual operations are performed from the front panel of the TLZ9L autoloader.

To load a ma gazine, simply insert the m aga zine into the ma gazine door (seeFigure 7–9). Once the magazine has been inserted part way, the mechanismwill pull i t into the a utoloader a utomatical ly. If there is already a maga zinein the autoloader, it must rst be ejected by pressing the Eject button onthe front pan el. This ejects a ny cart ridge in the drive and then ejects t hemaga zine. Once the ma gazine is inserted, the a utoloader scans the maga zinechecking each slot for the presence of a cartridge and verifying proper cartridgeorientation. This scanning process can take up to 90 seconds.

To load a cartridge into t he drive, press th e Select button on t he front pa nelunt il the desired car tr idge/slot number is indicat ed in th e 7-segment d isplay.The a utoloader delays loading a cartridge for 5 seconds to give the user timeto cycle to another cartridge if desired. If a cartridge is already loaded in the


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drive, the autoloader will unload that cartridge, place it back in the magazine,and then load the selected cartridge.

7.4.3 Magazine OperationsThe TLZ9L cassette tape autoloader supports three basic magazinecon gurat ions. These congura tions a re 8, 7, a nd single-car tridge modes.Any other number of cartridges is not supported and will cause the magazineto eject. See S ection 7.4.3.4 for th e procedure on loading cartridges int o thema gazine a nd Section 7.4.3.7 for the procedure on unloading car tridges fromthe ma gazine.

7.4.3.1 Eight Cartridge ModeIn eight cart r idge mode the maga zine accommodat es either eight da tacartridges or seven da ta cartridges a nd one cleaning cartr idge. The sequencein which the cartridges are inserted into the magazine determines the numbersby which they are managed as indicated in Figure 7–5. The letter C indicatesthe cleaning cartridge. If a cleaning cartridge is not used, the C slot can bepopulated with the eighth data cartridge to provide the highest capacity permagazine.

Figure 7–5 Eight Cartridge Mode

7

C

1

6

2

5

4

3

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7.4.3.2 Seven Cartridge ModeIn seven cart ridge mode the C slot is left va cant a s shown in Figure 7–6. Whenthe magazine is inserted into the autoloader, the C slot is not available for useby the a utoloader. Any a ttempt t o access the C slot w ill generat e an error.

Figure 7–6 Seven Cartridge Mode

7

1

6

2

5

4

3

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7.4.3.3 Single Cartridge ModeIn single cartridge mode, either a data cartridge or a cleaning cartridge isinserted into the C slot position of the ma gazine a s shown in Figure 7–7. Whenthe m aga zine is inserted into t he a utoloader, the cartr idge is a utomatical lyloaded int o the drive. When a cleaning cart ridge is used, the ma gazine isautomatically ejected once the cleaning is completed.

Figure 7–7 Single Cartridge Mode

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7.4.3.4 Loading Cartridges Into the MagazineWhen loading data cart r idges into the m aga zine, t he bottom shelf of themaga zine should be loaded rst . Ensure tha t the cartr idges a re orientedcorrectly a s shown in Figure 7–8. Load cart ridge 3 in the bottom shelf rst , fol lowed by cartr idge 2 and t hen cartr idge 1 in tha t order. I t is highlyrecommended th at you number each cartr idge by placing a numbered label onthe cart ridges in order t o keep tra ck of each cart ridge.

After loading the bottom shelf, start loading the top shelf of the magazinebeginning with cartridge 4 and proceeding with cartridge 5, cartridge 6, andcartridge 7 in that order.

If either an 8th data cartridge or a cleaning cartridge is to be used, load it intomiddle shelf of the magazine.

Figure 7–8 Loading Cartridges Into the Magazine

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7.4.3.5 Loading the Magazine Into the TLZ9LTo load a ma gazine int o the TLZ9L cassett e ta pe aut oloader, rst apply powerto the autoloader by powering on the system for an embedded autoloader,or by pressing the power sw itch on th e ta bletop autoloader. The B US Y an dTAP E LED indicat ors blink as a self-test is performed. When the B US Y an dTAP E LED indicat ors stop blinking, th e ma gazine can be inserted into th eaut oloader as shown in Figure 7–9. When the m aga zine is inserted, th e TAP ELE D indicat or lights. If t he ma gazine is w rite-protected, th e writ e-protect (WP )indicat or also lights.

Once the magazine is inserted, the autoloader will cycle through and countthe cartr idges in the ma gazine. If a ny of the cartr idges a re misoriented, or i fthe number of cartridges present is other than 1, 7, or 8, the magazine will beejected. At the end of this initializat ion, if a ll of the cartridges a re orientedcorrectly an d t he correct number of cartr idges a re present, the a utoloader goesto the idle state. A cartridge can then be selected and loaded into the driveeither manually or through software control.

Figure 7–9 Loading the Magazine Into the TLZ9L-DA/DB

POWER

BUSY

TAPEEJECT

SELECT

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7.4.3.6 Ejecting the MagazineUn der normal conditions, the ma gazine can be ejected by simply pressing theEject button on the front panel. Any cartr idge that may be in the drive at thetime the Eject button is pressed will be rewound and unloaded back into thema gazine. The car tridges are t hen moved to their origina l locat ions w ithin t hemagazine and the magazine is ejected.

If t he TLZ9L a utoloader encounters a certa in ty pe of fa ta l error, you ma y notbe able to eject the magazine in a normal manner. However, you still may bea ble to eject t he ma ga zine using a n emergency eject. To invoke the emergencyeject, press a nd hold the Eject button for t en seconds wh ile the error indicationis display ed in the 7-segment display. If a car tridge is stuck in the drive, thema gazine w ill be ejected w ithout th is cart ridge being present. The LCD panelwill then indicate an error code of 4 and service personnel will need to becalled.


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7.4.3.7 Unloading Cartridges From the MagazineWhen unloading cartridges from a magazine, it is recommended that themagazine be held over a table or bench so that the cartridges will fall gently tothe table top and not fall on the oor where they could be damaged.

Perform the unloading process by pressing down on the magazine slide latchwith the thumb of your left hand and then placing the nger of your right hand

in the hole at the rear of the ma gazine and pushing the cart r idges toward thefront of the ma gazine (see Figure 7–10). Continue pushing the car tridges a llthe w ay to the front of the ma gazine by using the slot in the bottom of themagazine. This should remove the rst ve cartridges from the magazine.

Next , orient the ma gazine with the open end point ing upward and gentlyta p the ma gazine against the palm of your ha nd. This moves the remainingcartridges to the bottom shelf where they can be removed by following thesam e procedure used for removing the rst ve car tridges.

Finally, the cartridge in the middle shelf can be removed by grasping itwith your thumb and index nger and pull ing i t out of the maga zine whilecontinuing t o press down on th e ma gazine slide latch.

Figure 7–10 Unloading Cartridges From the Magazine

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7.5 Switch SettingsThe following sections describe the switchpack settings on the TLZ9Laut oloader a nd the SCS I ID select switch on the TLZ9L-DA/DB aut oloader.It should be noted that all of the drive switches and jumpers still function asdocumented in C ha pter 3 for t he drive mounted interna l to the a utoloader. Forexample, to ena ble MRS detection on the aut oloader, place drive switch S 2 tothe ON position (see Section 3.3.3 and Figure 3–2).

7.5.1 Switchpack SettingsThe TLZ9L autoloader has only one switchpack. This switchpack contains fourswitches and is located on the bottom of the autoloader toward the front (seeFigure 7–1). It is accessible through a cutout in the sheet metal chassis. Ifthe autoloader is congured as a -VA, a cosmetic panel covering a portion ofthe cutout will need to be removed by removing tw o screws. For the t abletopversion, access to this switchpack is very difcult and requires extensivedisassembly a nd reassembly of the unit . Therefore, it is not r ecommended.

Table 7–4 lists t he four switches, their default settings, a nd the function ofeach. The default setting for a ll four sw itches is t he ON position.

Table 7–4 Switchpack Settings

Switch Default Function

SW1 ON Reserved

SW2 ON Reserved

SW3 ON Reserved

S W4 ON C on tin uou s cy cle m ode disa bled. OF F for en abled.

CAUTION

En abling continuous cycle mode (SW4 OFF ) ma y overwrite existingda ta . This feat ure is used for dia gnostic purposes only.

7.5.2 SCSI ID Select Switch (TLZ9L-DA/DB Only)The S CS I I D select sw itch is loca ted on t he rea r pa nel of the TLZ9L-DA/DBta bletop autoloader (see Figure 7–2). The SC SI ID is set by pressing t he + or -button until the desired address is displayed.


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7.6 Cleaning RequirementsA cleaning t ape preventive ma intenan ce program is required. Hea d clean ingshall be the only preventive ma intenan ce required a nd sh all be a ccomplishedwith a ta pe cleaning cartr idge. The Digital part number for t he cleaningcartridge is TLZ04-HA. A cleaning cycle should be performed at the followingtimes:

• After every 24 hours of tape use

• When a request a cleanin g cartr idge warning is indicat ed on t he LCD ofthe operator front panel (i.e. warning sign with a ashing 1).

NOTE

If the cleaning request indicator (warning indicator with a ashing 1)appears frequently for a particular cartridge, it is recommended thatthe cartridge be replaced.

There a re ba sically four methods of a ccomplishing a cleaning cycle for t he

TLZ9L.Manual :

• P lace c leaning car t r idge in to s lot 8 of magazine

• Inser t the magazine in to the autoloader

• Autoloader will automat ically sense single cartridge mode,load the ca rtr idge into the drive, execute t he clean ing cycle,then return the cartridge to the maga zine, and eject t hemagazine


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Sequential Mode:

• Place the cleaning car t r idge in to any magazine s lot a longwith data cartridges appropriate for the mode of operation(i.e. 7 cartr idge mode, or 8 car tridge mode)

• Inser t the magazine in to the autoloader

• Use the select button to select the slot with the cleaningcartridge

• Autoloader will load the cart ridge into the drive, executethe cleaning cycle, t hen return the cart ridge to themagazine

• If you then press the select button once, it will select thenext sequential data cartridge after the data cartridge thatwa s loaded into the drive last . (i .e. If you had cart ridge 3loaded, then pushed the select button to select and load thecleaning cartridge from its slot, the next time you push theselect button after the cleaning cycle has completed, it willload cartridge 4.)

Sequential BackupMode:

• Place the cleaning car t r idge in to any magazine s lot a longwith data cartridges

• Execute sequential backup via chosen softwa re uti l ity

• When EOD is reached and reported to host , host will issueUNL OAD command for each cart ridge. This will causethe next sequential cartridge to be a utomatically loadedinto the drive. If this is a cleaning cartridge, a cleaningcycle will be executed and the cleaning cartridge willautomat ically be put ba ck into the ma gazine. The nextcartridge will then be a utomatically loaded into t he driveto continue ba ckup operat ion.

Random Mode:• Host sends the MOVE MEDIUM command to move the

cleaning cartridge from the maga zine to the drive


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ACassette Tape Drive and AutoloaderSpecications

The following tables list the TLZ09 cassette tape drive specications.

Table A–1 TLZ09 Cassette Tape Drive Specications

Characteristic Specication(s)

Mode of opera tion St rea ming, a nd st ar t /stop

D rive int er fa ce S ma ll C omput er S yst em I nt erconn ect (S CS I-2)

Dimensions See Ta ble A–2Media (4 m m x 60 m ) TL Z04-C A ca sset te t a pe

Media (4 m m x 90 m ) TL Z06-C A ca sset te t a pe

Media (4 m m x 120 m ) TL Z07-C A ca sset te t a pe

B it density 114 Mbit s per squa re inch (DDS-1)171 Mbits per square inch (DDS-2)

Tr a n sf er r a t e (t y pica l ) 778 K by t e/s n on com pr es sion1556 K byt e/s compress ion

Recordin g forma t D igit al da ta st ora ge (D DS -2, D DS -D C, D DS )

Casset t e capaci ty (t ypica l ) 4 g igaby tes w i th 120 meter t ape in na t ive mode8 gigabytes (typical) with 120 meter tape and datacompression

Oper a tin g t em per a tu re 10° C t o 40° C (50° F t o 104° F )

Nonopera t ing t empera tu re -40°C to 66°C (-40°F to 151°F)

Oper a tin g h um id it y 20% t o 80% R H m a xim um , n on con den sin g,maximum wet bulb temperature 26°C (79°F)

N on oper a t in g h um id it y 5% t o 95% R H m a xim um , n on con den sin g


Cassette Tape Drive and Autoloader Specications A–1

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Table A–1 (Cont.) TLZ09 Cassette Tape Drive Specications

Characteristic Specication(s)

Opera tin g a lt it ude 0 t o 4.6 km (0 t o 15,000 ft )

N on oper a tin g a lt it ud e 0 t o 4.9 km (0 t o 16,000 f t)

Internal S CSI cable length(TLZ09-DA/DB )

145 mm

P a sses per ca sset te t ape 2000

Power consumption (typical, writemode)

Ta bletop 22 W

Drive 7.4 W

Power requirements (typical)

Tabletop (TLZ09-DA/DB) 100 to 240 V ac , 0.3 A

Dr ive (TLZ09-AA/AB, -B A/B B ) + 5 V dc, 1.5 A

Dr ive (TLZ09-AA/AB, -B A/B B ) + 12 V dc, 0.2 A

Table A–2 TLZ09 Cassette Tape Drive Dimensions

Dimensions TLZ09-AA/AB TLZ09-BA/BB TLZ09-DA/DB

H eight 41.2 mm (1.6 in) 41.2 mm (1.6 in) 52.4 mm (2.07 in)

Widt h 101.6 mm (4.0 in) 146 mm (5.7 in) 160 mm (6.3 in)

Length 146 mm (5.7 in) 146 mm (5.7 in) 300 mm (11.8 in)

Weight .66 kg (1.5 lb) 0.91 kg (2.0 lb) 2.2 kg (4.85 lb)

A–2 Cassette Tape Drive and Autoloader Specications

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Table A–3 TLZ09-DA Noise Declaration

Acoustics - declared values per ISO 9296 and ISO 7779:

Lw Ad LpAm (bysta nder posit ions)

Idle 4.8 B 39 dB A

Opera t ing 4.9 B 40 dB A

Schallemissionswerte - Werteangaben nach ISO 9296 und ISO 7779/DIN EN27779:

Lw Ad LpAm (Zuscha uerposit ionen)

Leerla uf 4,8 B 39 dB A

B et r ieb 4,9 B 40 dB A

NOTE

Current values for specic congurations are available from Digitalrepresentatives. 1 B = 10 dBA.Aktuelle Werte für spezielle Ausrüstungsstufen sind über die Digital

Equipment Vertretungen erhältlich. 1 B = 10 dBA.

Cassette Tape Drive and Autoloader Specications A–3

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Documents

TLZ09 DB