Seagate ST34501WC, ST34501WD, ST34501DC, ST34501N manual Setting terminator power jumpers

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Cheetah 4LP Installation Guide, Rev. B

41

N drives

Terminator power

There are three possible terminator power (TP) configurations for “N” model drives (see Figure 9). You will not normally need to change this option and can leave the drive configured as it was shipped from the factory.

J2

R T T

T D MW P E P P

E S E P D S 2 1

Term. Power from Drive (default)

Term. Power to SCSI Bus

Term. Power from SCSI Bus (position A)

Term. Power to SCSI Bus and Drive

		Pin 1
	J6	J2
	J6	SCSI I/O J1
		SCSI I/O J1
J2 Jumper		Connector
(enlarged to	Drive
show detail)	Front
		DC Power
		Connector

Pin 1 Pin 2

Figure 9. Setting terminator power jumpers

Image 43

Contents ST34501N/W/WC/WD/DC Contents Preface Electrostatic discharge protection Important safety information and precautions Cheetah 4LP Installation Guide, Rev. B Wichtige Sicherheitshinweise Cheetah 4LP Installation Guide, Rev. B Page Electromagnetic susceptibility Regulatory agency complianceElectromagnetic compliance Australian C-Tick Electromagnetic compliance for the European UnionOnline services Seagate technical support servicesSeagate CompuServe forum SeaFAX FAX servicesSeagate technical support Direct-support servicesManufacturer’s representatives Customer service centersGeneral description Drive characteristics Additional drive characteristics +12V8 +5V8 Voltage regulation5 ± 5% ± 5%2 DC power requirements Amps ST34501 WC models WD, DC modelsDimensions of the drive General information Drive modelsScsi ID jumpers Drive termination Circuits and data path widths Terminator powerCable characteristics for single-ended circuits Pin I/O connection to drive Multiple drive connection to host adapter Multiple-drive connection to host adapter Scsi I/O Providing adequate cooling Kühlung des Systems Abbildung 4. Empfohlener Luftstromverlauf Suggested air flowInstallation des Laufwerkes und Anschluß der Kabel Mounting the drive and connecting cablesPage Pin Gleichstrom Pin PowerHinweis Cheetah 4LP Installation Guide, Rev. B Mounting configuration dimensions Quick reference desktop system notes Formatting the driveSetting the Scsi ID on model N drives Setting the Scsi ID jumpersTerminating the drive Terminating the driveSetting terminator power jumpers Additional jumper options Other applicable jumper optionsWD drives Model W and WD drive alternate ID select and LED connection Terminating the drive W model shown Drive Front Other option jumpers are available as illustrated below WC/DC drives Jumper options Applicable jumper optionsDrive Active LED indicator connections Drive Active indicatorPage Page