Seagate ST39173FC manual SEL2

Page 28

26		Barracuda 9LP FC Installation Guide, Rev. A

	Pin/contact	Signal name	Signal type


	26	Ground
27*		+Port B_in	Diff. PECL input pair

	28*	–Port B_in
29		Ground

	30*	+Port A_out	Diff. PECL output pair
31*		–Port A_out

	32	Ground
33*		+Port B_out	Diff. PECL output pair

	34*	–Port B_out
35		Ground

	36	SEL_2	TTL input/output
37		SEL_1	TTL input/output

	38	SEL_0	TTL input/output
39		Reserved NC

	40	5 Volts charge

*Short pins in mating backpanel connector.

[1]This pin may be connected to external logic to detect the presence of the drive. The drive connects this pin to the common ground.

Image 28

Contents Barracuda 9LP FC Fibre Channel Disc Drive ST39173FC Contents Preface Electrostatic discharge protectionImportant safety information and precautions Page Wichtige Sicherheitshinweise Page Barracuda 9LP FC Installation Guide, Rev. a European Union Compliance Australian C-TickSeagate Technology support services Disc Drives 1-877-271-3285 orTape Products 1-800-626-6637 or SeaFONE 1-800-SEAGATEOnline services SeaNET SeaBOARDSeaFAX FAX servicesTechnical support FAX Direct-support services Technical supportCustomer service centers SeaTDDManufacturer’s representatives General description Barracuda 9LP FC disc driveCharacteristics Installing the Barracuda 9LP FC drive Providing adequate coolingKühlung des Systems Suggested air flow Abbildung 2. Empfohlener Luftstromverlauf Installation des Laufwerkes Mounting the driveBarracuda 9LP FC Installation Guide, Rev. a Dimensions Abbildung 3 Laufwerkabmessungen Inserting the drive Formatting the driveConnecting remote LEDs Enabling write cacheLED indicator connector J6 FC-SCA pin descriptions SEL2 Troubleshooting General installation troubleshootingPage