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Seagate ST43402ND Socket for Active LED red Heartbeat LED green Ready LED green Control

Models: ST43402ND ST43401N/ND

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Socket for Active LED (red)

46	ST43401N/ND, ST43402ND User’s Manual, Rev. B

Socket for Active LED (red)

Heartbeat LED (green)

Ready LED (green)

Control

Board

Port A Enabled LED (green)

Port B Active LED (red)

Port B Enabled LED (green)

Figure 23. LEDs on ST43402ND drives

Optional

Bezel

Image 56

Seagate ST43402ND Socket for Active LED red Heartbeat LED green Ready LED green Control, Port B Enabled LED green

Contents

Elite Disc Drive ST43401N/ND ST43402ND User’s ManualContents InstallationMaintenance PrefacePreface Electrostatic discharge protectionImportant safety information and precautions ST43401N/ND and ST43402ND User’s Manual, Rev. B Wichtige Sicherheitshinweise ST43401N/ND, ST43402ND User’s Manual, Rev. B viii ST43401N/ND, ST43402ND User’s Manual, Rev. BTechnical support services SeaFAX USA 408 438-2620 EnglandSeaFONE 408 SeaTDD 408number TelephoneLocation Section 1. General description Figure 1. ST43401N/ND disc drivesST43401N/ND, ST43402ND User’s Manual, Rev. B Figure 2. The ST43402ND disc driveTable 1. Drive specifications CharacteristicsSpecifications ConditionsWrite Readmsec CharacteristicsPage Figure 3. Drive functional block diagram UnitSCSI ControllerSection 2. Installation/Abschnitt 2. Installation Site requirementsVoraussetzungen am Aufstellungsort Environmental requirementsSpecifications ST43401N/ND, ST43402ND User’s Manual, Rev. BTable 2. Environmental requirements ConditionsST43401N/ND, ST43402ND User’s Manual, Rev. B Tabelle 2. Umgebungsbedingungen des LaufwerkesBedingungen Technische DatenAir-flow requirements Above unit Under unit Above unitNote. Air flows in the direction shown or in reverse direction side to sideSpace requirements Räumliche AnforderungenFigure 5. Mounting orientations Montageorientierungen Up Up UpFigure 6. Dimensions of the drive Laufwerkabmessungen 82.55 mm 3.25 in203.20 mm 149.35 mmPower requirements Table 3. Single drive voltage and current requirementsCurrent without Internal Current with InternalST43401N/ND, ST43402ND User’s Manual, Rev. B Figure 7. SCSI bus configuration Grounding requirementsInterface requirements ST43401N/ND, ST43402ND User’s Manual, Rev. B Signal name Signal nameTable 4. Unshielded single-ended I/O cabling P cable Even pinSignal name Signal nameTable 5. Unshielded differential I/O cabling P cable Even pinSignal name Signal nameST43401N/ND, ST43402ND User’s Manual, Rev. B Even pinUnpacking, inspection, and repacking UnpackingInspection RepackingInstallation procedures Setting the control board jumpersSync Pins Figure 8. ST43401N/ND control board jumpers= Non-applicable jumper not relevant to the option discussed SpindleFigure 9. ST43402ND control board jumpers = Jumper connected = Jumper not connectedFigure 10. ST43402ND I/O board J09 jumpers Ground this pin to manually reset the SCSI board Figure 11. ST43402ND I/O board J10 jumpersUsed only if the PSS pin jumper is not connected SCSI ID = ATerminator Power J01A is for Internal terminator power to I/OA & B Figure 12. ST43402ND I/O board J01 and J03 jumpersMounting the power supply Installing a power supplySetting the voltage range Attaching an optional bezel Figure 13. Attaching a bezel ST43401N/ND shownMounting the drive Figure 14. Mounting the drive ST43401N/ND shown Figure 15. ST43401N/ND I/O cable attachment Connecting the system I/O cablingST43401N/ND drives ST43402ND drives Figure 16. ST43402ND I/O cable attachmentMounting Holes in Control Board Terminator Power Source Jumper Terminator TerminatorResistor-PakResistor-Paks note orientation part number 96752447 Pin Figure 17. ST43401N terminator attachment-single-ended I/OTerminator Resistor-Paks part number 70906701 Terminator Power Source JumperTerminator Resistor-Pak note orientation Terminator Socket Pin Figure 18. ST43401ND terminator attachment-differential I/OFigure 19. System diagram for spindle sync Grounding the systemSynchronizing the spindle Figure 20. Making ST43401N/ND spindle sync connections Figure 21. Making ST43402ND spindle sync connections Cable from Preceding Unit A B Cable to Next Unit Control BoardSlave Select ST43401N/ND, ST43402ND User’s Manual, Rev. B Verification Page LED indicators Section 3. OperationST43401N/ND, ST43402ND User’s Manual, Rev. B Figure 22. LEDs on ST43401N/ND drivesTable 6. LED functions for ST43401N/ND drives LED indicatorFunction Board Port A Enabled LED green Port B Active LED red Port B Enabled LED greenSocket for Active LED red Heartbeat LED green Ready LED green Control Figure 23. LEDs on ST43402ND drivesTable 7. LED functions for ST43402ND drives LED indicatorFunction LED or indicator Operating instructionsThis LED is on when port B is actively executing a This LED is off when port B does not have a SCSISection 4. Parts data Table 8. Options and accessories Part number Description Section 5. Maintenance Observing maintenance precautionsPacking a drive for shipment Arranging for depot repairRemoving and replacing a drive Page Publication Number 83327720, Rev. B, Printed in USA Seagate Technology, Inc920 Disc Drive, Scotts Valley, CA 95066-4544, USA