SAS drive connector
Segment
Primary signal segment
Secondary signal segment
Power segment
148 Appendix A Appendix A—Connector pins
Pin
Backplane
Plug and
receptacle
cable
receptacles
S1
SIGNAL GROUND
S2
TP+
S3
TP-
S4
SIGNAL GROUND
S5
RP-
S6
RP+
S7
SIGNAL GROUND
S8
SIGNAL GROUND
S9
TS+
S10
TS-
S11
SIGNAL GROUND
S12
RS-
S13
RS+
S14
SIGNAL GROUND
P1
V
c
33
P2
V
c
33
P3
c
c
V
precharge
33
P4
GROUND
P5
GROUND
P6
GROUND
P7
V
c
precharge
c
5
P8
c
V
5
P9
V
c
5
P10
GROUND
P11
d
READY LED
P12
GROUND
P13
V
precharge
c
12
P14
c
V
12
P15
V
c
12
RP+
RP-
TP-
TP+
RS+
RS-
TS-
TS+
ENWW