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5. Backplane Main Power Connectors
The 4-pin connectors, designated JP10 and
JP13 provide power to the backplane. See the
table on the right for pin definitions.
6. Fan Connectors
The 3-pin connectors, designated JP54, JP56,
and JP60, provide power to the fans. See the
table on the right for pin definitions.
7. Activity LED Header
The activity LED header, designated JP26, is
used to indicate the activity status of each SAS
drive. The Activity LED Header is located on
the front panel. For the Activity LED Header
to work properly, connect using a 10-pin LED
cable.
8-15. SAS Ports
The SAS ports are used to connect the SAS
drive cables. The eight ports are designated
#0 - #7. Each port is also compatible with
SATA drives.
Appendix C: SAS-833TQ Backplane Specifications
Pin # Definition
1
2
3
4
5
C-5
Backplane
Main Power
4-Pin Connector
Pin#
Definition
1
+12V
2 and 3
Ground
4
+5V
Fan Connectors\
Pin#
Definition
1
Ground
2
+12V
3
Tachometer
SAS Activity LED Header
Pin Definitions
Pin # Definition
ACT IN#0
6
ACT IN#4
ACT IN#1
7
ACT IN#5
ACT IN#2
8
ACT IN#6
ACT IN#3
9
ACT IN#7
Ground
10
Empty
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