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INTERFACE CONNECTOR (SAS plug) SIGNAL ALLOCATION: CN1
Segment
Pin No.
Pin Definition
S1
GND
GND for SAS Primary Port
S2
RP+
SAS Primary Port Receive (positive) signal
S3
RP-
SAS Primary Port Receive (negative) signal
S4
GND
GND for SAS Primary Port
S5
TP-
SAS Primary Port Transmit (negative) signal
S6
TP+
SAS Primary Port Transmit (positive) signal
S7
GND
GND for SAS Primary Port
Signal
Segment
S8
GND
GND for SAS Secondary Port
S9
RS+
SAS Secondary Port Receive (positive) signal
S10
RS-
SAS Secondary Port Receive (negative) signal
S11
GND
GND for SAS Secondary Port
S12
TS-
SAS Secondary Port Transmit (negative) signal
S13
TS+
SAS Secondary Port Transmit (positive) signal
S14
GND
GND for SAS Secondary Port
P1[13]
Reserved
Do not supply 3.3V power if POWER DISABLE
Function is used.
P2[13]
Reserved
P3[14]
POWER
DISABLE
Power Disable Control input signal
P4
GND
GROUND
P5
GND
GROUND
P6
GND
GROUND
P7
+5V-Charge
Pre-charge pin for +5V
P8
+5V
+5V power supply input
Power
Segment
P9
+5V
+5V power supply input
P10
GND
GROUND
P11
READY LED
READY LED output
P12
GND
GROUND
P13
+12V-Charge
Pre-charge pin for +12V
P14
+12V
+12V power supply input
P15
+12V
+12V power supply input
[13] P1 to P2 are +3.3V power supply input and pre-charge signals, and not used on the AL15SEB/SEQ series.
[14] The terminal P3 is used as POWER DISABLE control signal in SAS-3. This terminal connects with the GROUND or is an OPENED thing on the host side when the
POWER DISABLE function is not used.
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© 2017 Toshiba Electronic Devices & Storage Corporation
Enterprise Performance HDD AL15SEB Series Product Manual
Rev. 00: October, 2017