Seagate ST400FM0103 ユーザーズマニュアル

Seagate 1200 SSD Product Manual, Rev. C

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This section defines physical interface connector.

Contact a preferred connector manufacturer for mating part information. Part numbers for SAS connectors will be provided in 
a future revision of this publication when production parts are available from major connector manufacturers.

SAS drives use the device connector for:
• DC power
• SAS interface
• Activity LED

This connector is designed to either plug directly into a backpanel or accept cables.

This section provides a pin-out of the SAS device and a description of the functions provided by the pins.

S1

Port A Ground

P1*

Reserved 

S2*

+Port A_in

Diff. input pair

P2*

Reserved 

S3*

-Port A_in

P3

NC (Vendor specific)

S4

Port A Ground

P4

Ground

S5*

-Port A_out

Diff output pair

P5

Ground

S6*

+Port A_out

P6

Ground

S7

Port A Ground

P7

5 Volts charge

S8

Port B Ground

P8*

5 Volts

S9*

+Port B_in

Diff. input pair

P9*

5 Volts

S10*

-Port B_in

P10

Ground

S11

Port B Ground

P11*

Ready LED

Open collector out

S12*

-Port B_out

Diff output pair

P12

Ground

S13*

+Port B_out

P13

12 Volts charge

S14

Port B Ground

P14*

12 Volts

P15*

12 Volts

* - Short pin to support hot plugging

[1] Behind a SAS Drive plug connector, P1 and P2 are only connected to each other.

NC - No connection in the drive.