Seagate ST118202LW/LC manual Important safety information and precautions

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Cheetah 18 Installation Guide, Rev. A

Turn off the power before removing or installing the DC power cable.

Do not remove any circuit boards from the drive.

Never use an ohmmeter on any circuit boards.

When installing the drive on a carrier or tray, discharge the car- rier or tray prior to inserting it into the system.

Important safety information and precautions

Caution. Use forced-air ventilation when bench-testing the drive to ensure proper cooling of drive components.

Use proper safety techniques for safe, reliable operation of this unit.

The procedures in this manual and labels on the unit contain warnings and cautions that must be carefully read and followed to minimize or eliminate the risk of personal injury. The warnings point out conditions or practices that may endanger you or oth- ers. The cautions point out conditions or practices that may dam- age the unit, possibly making it unsafe for use.

Always observe the following warnings and precautions:

Follow all cautions and warnings in the procedures.

Use sound safety practices when operating, installing, or removing the unit.

Use caution when troubleshooting a unit that has voltages present. Turn off power to the unit before removing it.

Ensure that the internal temperature of the rack or cabinet does not exceed the limits defined for the drive when the drive is mounted in an equipment rack or cabinet. When units are

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Contents Cheetah Disc Drive ST118202LW/LC Installation Guide Contents Preface Electrostatic discharge protectionImportant safety information and precautions Page Wichtige Sicherheitshinweise Page Cheetah 18 Installation Guide, Rev. a Regulatory agency compliance Electromagnetic susceptibilityElectromagnetic compliance for the European Union Seagate Technology support services Online services SeaNET Seagate CompuServe forumFAX services SeaFAXDirect-support services Technical supportCustomer service centers Manufacturer’s representatives General description Cheetah 18 family drive ST118202LW shown Characteristics ST118202LW/LC DC power requirements ±5%1 +5 +12 Drive models General informationSingle-ended and low voltage differential modes Scsi ID jumpersPage Drive termination Terminator power Circuits and data path widthsCable characteristics for SE and LVD circuits Pin I/O connection to drive LW model Multiple-drive connection to host adapter Drive model LC with single 80-pin I/O and power connector Providing adequate cooling Kühlung des Systems Suggested air flow Mounting the drive and connecting cables Installation des Laufwerkes und Anschluß der KabelCheetah 18 Installation Guide, Rev. a DC power connector Abbildung 8. Gleichstromanschluß Hinweis Page Mounting configuration dimensions LW model Mounting configuration dimensions LC model Formatting the drive Quick reference desktop system notesSetting the Scsi ID jumpers LW drivesTerminating the drive Setting terminator power jumpers Other applicable jumper options Several other jumper options are available as illustratedAdditional jumper options Drive Active indicator Drive Active LED indicator connections are shown belowLC drives Terminating the drive Other option jumpers are available as illustrated below Drive Active indicator