C-7
Appendix C: Backplane Specifications
R73
R5
U4
U32
R1
R71
R84
R83
R159
C32
D1
A
C
D2
A
C
D12
A
C
D13
A
C
D27
C1
C10
J1
22
21
33
27
8
7
9
J2
22
21
33
27
8
7
9
FAIL#0
ACT#0
FAIL#1
ACT#1
SAS#1
SAS#0
C-8 Rear Connectors and LED Indicators
Rear SAS/SATA Connectors
Rear
Connector
Connector
Number
SAS Drive
Number
SAS #0
J1
SAS/SATA HDD #0
SAS #1
J2
SAS/SATA HDD #1
Rear LED Indicators
Rear
Connector
Hard Drive Activity
Failure LED
(Not included on most models)
SAS #0
D12
D1
SAS #1
D13
D2
D12
SAS #0
D13
SAS #1
Figure C-4: Rear Components