Sun Microsystems, Inc.
5 NC No Connect
6 RX- Negative Side of Receive Data
7 NC No Connect
8 NC No Connect

Figure A-3: 10/100 BaseT Pinouts

Serial Attached SCSI (SAS)
Table A-4: Serial Attached SCSI (SAS) Pinouts
Pin # Pin Name Description
Signal Segment
S1 GND 2nd mate
S2 TX+ Transmit from PHY to hard drive
S3 TX- Transmit from PHY to hard drive
S4 GND 2nd mate
S5 RX- Receive from hard drive to PHY
S6 RX+ Receive from hard drive to PHY
S7 GND 2nd mate
Backside Signal
S8 GND 2nd mate
S9
S10
S11 GND 2nd mate
S12
S13
S14 GND 2nd mate
Power Segment
P1 3.3V Not supported
P2 3.3V Not supported
P3 3.3V Not supported
P4 GND 1st mate
P5 GND 2nd mate
P6 GND 2nd mate
P7 5.0V Pre-charge, 2nd mate
P8 5.0V
P9 5.0V
P10 GND 2nd mate
P11 Reserved Should be grounded
P12 GND 1st mate
P13 12.0V Pre-charge, 2nd mate
P14 12.0V
P15 12.0V
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