C-6
SC835 Chassis Manual
Backplane
Main Power
4-Pin Connector
Pin# Definition
1
+12V
2 and 3
Ground
4
+5V
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 defini
-
tions.
Fan Connectors\
Pin# Definition
1
Ground
2
+12V
3
Tachometer
SAS Activity LED Header
Pin Definitions
Pin # Definition
Pin # Definition
1
ACT IN#0
6
ACT IN#4
2
ACT IN#1
7
ACT IN#5
3
ACT IN#2
8
ACT IN#6
4
ACT IN#3
9
ACT IN#7
5
Ground
10
Empty
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.
