Oracle SPARC T8-1 Installation Manual page 59

The following table lists the pinouts for the SAS connector.
Segment
Signal segment
(S1 to S7)
Back-side signal
(S8 to S14)
Power segment
(P1 to P15)
Pin Signal
S1 Gnd
S2 TX+
S3 TX-
S4 Gnd
S5 RX-
S6 RX+
S7 Gnd
S8 Gnd
S9
S10
S11 Gnd
S12
S13
S14 Gnd
P1 3.3V
P2 3.3V
P3 3.3V
P4 Gnd
P5 Gnd
P6 Gnd
P7 5.0V
P8 5.0V
P9 5.0V
P10 Gnd
P11 Reserved
P12 Gnd
P13 12.0V
P14 12.0V
P15 12.0V
Note
Second mate
Transmit from PHY to hard drive
Second mate
Receive from hard drive to PHY
Second mate
Second mate
Second mate
Second mate
Not Supported
Not Supported
Not Supported
First mate
Second mate
Second mate
Pre-charge, second mate
Second mate
Should be grounded
First mate
Pre-charge, second mate
Powering On the Server for the First Time
Identifying Ports
59