Seagate ST423451N/W/WD manual Active, Ready, and Fault indicators

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42	Elite 23 Installation Guide, Rev. A

All drives

Active, Ready, and Fault indicators

The Active, Ready, and Fault LED indicator connections are shown below.

J4A

Pin 1
		J01
	J6	J4B
	J6
	SCSI I/O
	Connector	Pin 1
	DC Power	Pin 1
	Connector
	Pin 18
J4A	Pin 16
J4A
Pin 1
	Pin 15	Pin 17

Reserved

Active LED Connector

Fault/Ready LED Connector

Terminator Enabled (TE)

Reserved

Note: On some LEDs the flat side of indicator is cathode.

Active

CATH

Fault

CATH

Ready

CATH

Figure 15. LED indicator connections for all drive models

Image 44

Contents Elite Disc Drive ST423451N/W/WD Contents Preface Electrostatic discharge protectionImportant safety information and precautions Page Wichtige Sicherheitshinweise Page European Union Compliance Page SeaNET Seagate Technology Online servicesSeaFONE at 1-800-SEAGATE Seagate Technology Forum on CompuServe SeaBOARDBBS Location Modem number Seagate Technology FAX services SeaFAXLocation Telephone number Seagate technical support FAXSeagate technical support line SeaTDDGeneral description Drive characteristics Elite 23 Installation Guide, Rev. a Dimensions of the drive Drive models General informationScsi ID jumpers Drive termination Terminator power Circuits and data path widthsCable characteristics for single-ended circuits Fifty-pin I/O connection to drive Multiple drive connection to host adapter Multiple-drive connection to host adapter Providing adequate cooling Kühlung des Systems Suggested air flow Abbildung 4. Empfohlener Luftstromverlauf Mounting the drive and connecting cables Installation des Laufwerkes und Anschluß der KabelElite 23 Installation Guide, Rev. a Pin Power Pin GleichstromHinweis Page Mounting configuration dimensions Formatting the drive Quick reference desktop system notesSetting the Scsi ID jumpers Setting the Scsi ID on N modelsTerminating the drive Terminating the driveSetting terminator power jumpers on N models Other applicable jumper options Additional jumper optionsWD drives Terminating the drive ST423451W shown Setting terminator power jumpers on W models Other option jumpers are available as illustrated below Active, Ready, and Fault indicators LED indicator connections for all drive modelsPage Page