Seagate ST800FM0053 Seagate 1200 SSD Product Manual - Page 74

Table 23, SAS pin descriptions

Page 74 highlights

11.4.2 Physical characteristics This section defines physical interface connector. 11.4.3 Connector requirements Contact a preferred connector manufacturer for mating part information. Part numbers for SAS connectors will be provided in a future revision of this publication when production parts are available from major connector manufacturers. The SAS device connector is illustrated in Figures 23 and 24. 11.4.4 Electrical description SAS drives use the device connector for: • DC power • SAS interface • Activity LED This connector is designed to either plug directly into a backpanel or accept cables. 11.4.5 Pin descriptions This section provides a pin-out of the SAS device and a description of the functions provided by the pins. Table 23 SAS pin descriptions PIN SIGNAL NAME SIGNAL TYPE S1 S2* S3* S4 S5* S6* S7 S8 S9* S10* S11 S12* S13* S14 Port A Ground +Port A_in -Port A_in Port A Ground -Port A_out +Port A_out Port A Ground Port B Ground +Port B_in -Port B_in Port B Ground -Port B_out +Port B_out Port B Ground Diff. input pair Diff output pair Diff. input pair Diff output pair * - Short pin to support hot plugging NC - No connection in the drive. PIN P1* P2* P3 P4 P5 P6 P7 P8* P9* P10 P11* P12 P13 P14* P15* SIGNAL NAME NC (Vendor specific) NC (Vendor specific) NC (Vendor specific) Ground Ground Ground 5 Volts charge 5 Volts 5 Volts Ground Ready LED Ground 12 Volts charge 12 Volts 12 Volts SIGNAL TYPE Open collector out SEAGATE 1200 SSD PRODUCT MANUAL, REV. A 68

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S
EAGATE
1200 SSD P
RODUCT
M
ANUAL
, R
EV
. A
68
11.4.2
Physical characteristics
This section defines physical interface connector.
11.4.3
Connector requirements
Contact a preferred connector manufacturer for mating part information. Part numbers for SAS connectors will be provided in
a future revision of this publication when production parts are available from major connector manufacturers.
The SAS device connector is illustrated in Figures 23 and 24.
11.4.4
Electrical description
SAS drives use the device connector for:
DC power
SAS interface
Activity LED
This connector is designed to either plug directly into a backpanel or accept cables.
11.4.5
Pin descriptions
This section provides a pin-out of the SAS device and a description of the functions provided by the pins.
Table 23
SAS pin descriptions
P
IN
S
IGNAL NAME
S
IGNAL TYPE
P
IN
S
IGNAL NAME
S
IGNAL TYPE
S1
Port A Ground
P1*
NC (Vendor specific)
S2*
+Port A_in
Diff. input pair
P2*
NC (Vendor specific)
S3*
-Port A_in
P3
NC (Vendor specific)
S4
Port A Ground
P4
Ground
S5*
-Port A_out
Diff output pair
P5
Ground
S6*
+Port A_out
P6
Ground
S7
Port A Ground
P7
5 Volts charge
S8
Port B Ground
P8*
5 Volts
S9*
+Port B_in
Diff. input pair
P9*
5 Volts
S10*
-Port B_in
P10
Ground
S11
Port B Ground
P11*
Ready LED
Open collector out
S12*
-Port B_out
Diff output pair
P12
Ground
S13*
+Port B_out
P13
12 Volts charge
S14
Port B Ground
P14*
12 Volts
P15*
12 Volts
* - Short pin to support hot plugging
NC - No connection in the drive.