Seagate ST19171DC, ST19171N, ST19171WD, ST19171WC manual Setting terminator power jumpers

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34	Barracuda 9 Installation Guide, Rev. B

N drives

Terminator power

There are three possible terminator power configurations for ST19171N drives (see Figure 7). You will not normally need to change this option and can leave the drive configured as it was shipped from the factory.

Pin 1

	J2	R
		T D M W P E T T
		E S E P D S P P
	Term. Power from Drive (default)
	Term. Power to SCSI Bus
	Term. Power from SCSI Bus
		Position A
	J6	J2
	J6	SCSI I/O J1
		SCSI I/O J1
		Connector
	Drive
	Front
	J2 Jumper Type	DC Power
	(enlarged to	DC Power
	show detail)	Connector

Figure 7. Setting terminator power jumpers

Image 36

Contents ST19171N/W/WD/WC/DC Contents Preface Electrostatic discharge protectionImportant safety information and precautions Page Wichtige Sicherheitshinweise Barracuda 9 Installation Guide, Rev. B Barracuda 9 Installation Guide, Rev. B Page Regulatory agency compliance Electromagnetic susceptibilityElectromagnetic compliance for the European Union Seagate technical support services Online servicesSeagate CompuServe forum FAX services SeaFAXDirect-support services Seagate technical supportCustomer service centers Manufacturer’s representativesGeneral description Characteristics ST19171 OD DC Barracuda 9 Installation Guide, Rev. B Page Drive models General informationScsi ID jumpers Drive terminationScsi bus termination Terminator power Circuits and data path widthsProviding adequate cooling Barracuda 9 Installation Guide, Rev. B Kühlung des Systems Suggested air flow Abbildung 3. Empfohlener Luftstromverlauf Mounting the drive and connecting cables Installation des Laufwerkes und Anschluß der KabelBarracuda 9 Installation Guide, Rev. B DC power connector Abbildung 4. Gleichstromanschluß Hinweis Formatting the drive Quick reference desktop system notesSetting the Scsi ID jumpers DrivesTerminating the drive Terminating the driveSetting terminator power jumpers Other applicable jumper options Several other jumper options are available as illustratedWD drives Using the J1 auxiliary jumper block Terminating the drive ST19171W shown ST19171W Other option jumpers are available as illustrated below WC/DC drives Applicable jumper options Option jumpers are available as illustrated belowPage Page