Seagate ST300MM0026 Savvio 10K.3 SAS Product Manual - Page 70

Activity LED

Get Seagate ST300MM0026 PDF manuals and user guides View all Seagate ST300MM0026 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 70 highlights

12.4.2 Physical characteristics This section defines physical interface connector. 12.4.3 Connector requirements Contact your 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 30 and 31. 12.4.4 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. 12.4.5 Pin descriptions This section provides a pin-out of the SAS device and a description of the functions provided by the pins. Table 13: 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 A 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 Signal name Signal type P1* NC (reserved 3.3Volts) P2* NC (reserved 3.3Volts) P3 NC (reserved 3.3Volts) P4 Ground P5 Ground P6 Ground P7 5 Volts charge P8* 5 Volts P9* 5 Volts P10 Ground P11* Ready LED Open collector out P12 Ground P13 12 Volts charge P14* 12 Volts P15* 12 Volts 62 Savvio 10K.3 SAS Product Manual, Rev. J

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
62
Savvio 10K.3 SAS Product Manual, Rev. J
12.4.2
Physical characteristics
This section defines physical interface connector.
12.4.3
Connector requirements
Contact your 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 connec-
tor manufacturers.
The SAS device connector is illustrated in Figures 30 and 31.
12.4.4
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.
12.4.5
Pin descriptions
This section provides a pin-out of the SAS device and a description of the functions provided by the pins.
Table 13:
SAS pin descriptions
Pin
Signal name
Signal type
Pin
Signal name
Signal type
S1
Port A Ground
P1*
NC (reserved 3.3Volts)
S2*
+Port A_in
Diff. input pair
P2*
NC (reserved 3.3Volts)
S3*
-Port A_in
P3
NC (reserved 3.3Volts)
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 A 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.