Sun Microsystems Sun Fire X4100 - Manual (Page 231)

Appendix D Connector Pinouts D-7
D.6 Serial Attached SCSI Connector
The Serial Attached SCSI (SAS) connector pins and their corresponding descriptions
are shown in the figure and table in this section.
FIGURE D-6 Serial Attached SCSI Connector
TABLE D-6 Serial Attached SCSI Connector Pinouts
Segment Pin Number Pin Name Description
Signal
Segment S1 Gnd Second mate ground
S2 TX+ Positive side of transmit to hard
drive
S3 TX- Negative side of transmit to hard
drive
S4 Gnd Second mate ground
S5 RX- Negative side of receive from hard
drive
S6 RX+ Positive side of receive from hard
drive
S7 Gnd Second mate ground
Signal segment
Power segment
Backside signal segment
Pin S1 Pin S7
Pin P15 Pin P1
Pin S14 Pin S8