
E-7
Appendix E: SAS-826EL Backplane Specications
Backplane LEDs
LED State Specication
OVERHEATFAIL1 On Overheat or drive failure
FANFAIL1 On Failure in system fans
5V Off
Backplane power failure, light is on
during normal operation
12V Off
Backplane power failure, light is on
during normal operation
Front LED Indicators
Fan Fail LED
2
1
1 2
+
+
+
+
3
1
1
3
+
+
+
+
+
+
+
+
+
AC
A C
A
C
1
GND GND
+12V
+5V
GND
GND
+12V
+5V
GNDGND
+12V
+5V
BAR CODE
WWN
SAS826EL
REV 1.02
DESIGNED IN USA
WWN
OVERHEATFAIL1
A
C
BUZZER_ENB1
PRI_MODE4
SEC_MODE4
FANFAIL1
12V_LED
5V_LED
REMOTE_FAN_FAIL_SCOKET
2
1
1 2
+
+
+
+
3
1
1
3
+
+
+
+
+
+
+
+
+
AC
A C
A
C
1
GND GND
+12V
+5V
GND
GND
+12V
+5V
GNDGND
+12V
+5V
BAR CODE
WWN
SAS826EL
REV 1.02
DESIGNED IN USA
WWN
OVERHEATFAIL1
A
C
BUZZER_ENB1
PRI_MODE4
SEC_MODE4
FANFAIL1
12V_LED
5V_LED
REMOTE_FAN_FAIL_SCOKET
Overheat LED
5V_LED
12V_LED
Figure E-4: Front LEDs
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