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SC825 Chassis Manual
D-7 Rear LED Indicators
+12V
+12V
GND
GND
GND
GND
+5V
+5V
+12V
+12V
GND
GND
GND
GND
+5V
+5V
1
1
48
48
1
1
16
16
32
32
JP29:9072 RESET
JP29:9072 RESET
D3
Figure D-4. Front LED
LED
State
Specification
D3
Red light flashing
Overheat/drive failure LED indicator
ACT_IN
ACT_IN
I C
I C
2
2
#2
#2
SIDEBAND #2
SIDEBAND #2
1
1
SAS825TQ
SAS825TQ
REV 2.0
REV 2.0
BAR CODE
BAR CODE
2
2
I C
I C
#1
#1
SIDEBAND #1
SIDEBAND #1
LEDs
D-8
Appendix D: BPN-SAS3-825TQ Backplane Specifications
D-8 Front Connectors and LED Indicators
The side of the backplane facing the front of the chassis provides connectors for
eight SAS3 drives, and LEDs showing activity or failure..
ACT4
FAIL4
SAS#4
SAS#5
SAS#0
SAS#1
ACT0
FAIL0
Figure D-5. Front Connectors and LEDs
Front SAS/SATA Connectors and LED Indicators
HDD Activity LED
Drive Number
Label
SAS #0
J1
SAS #1
J2
SAS #2
J3
SAS #3
J4
SAS #4
J9
SAS #5
J11
SAS #6
J13
SAS #7
J15
ACT6
ACT5
FAIL6
FAIL5
SAS#6
SAS#7
SAS#2
SAS#3
ACT1
ACT2
FAIL1
FAIL2
Failure LED
(blue)
(red)
ACT0
FAIL0
ACT1
FAIL1
ACT2
FAIL2
ACT3
FAIL3
ACT4
FAIL4
ACT5
FAIL5
ACT6
FAIL6
ACT7
FAIL7
D-9
ACT7
FAIL7
ACT3
FAIL3
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