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SC836 Chassis Manual
#4. Fan Connectors
The 4-pin connectors, designated JP54, JP56,
JP58 and JP60, provide power to the fans.
See the table on the right for pin definitions.
These 4-pin connectors are compatible with
3-pin and 4-pin fans.
#5., #6., #7., #8. I
The I
C Y-cable connectors, designated JP37,
2
JP52, JP95, and JP96, are for enclosure
management of the I
These connectors are used only if the I
not embedded into the sideband connectors.
See the table on the right for pin definitions.
#9. Backplane Main Power Connectors
The 4-pin connectors, designated JP10,
JP13, JP46, and JP48, provide power to the
backplane. See the table on the right for pin
definitions. All four of these connectors must
be used at the same time.
#10., #11., #12., #13. Sideband
Headers
T h e s i d e b a n d h e a d e r s a r e
designated JP66, JP68, JP75
and JP77. are for enclosure
management of the SGPIO mode
connection. See the table to the
right for pin definitions.
C Y-Cable Connectors
2
C mode connection.
2
C-12
Fan Connectors
Pin#
Definition
1
2
3
4
Pin Definitions
Pin#
1
C is
2
2
3
4
4-Pin Connector
Pin#
1
2 and 3
4
Sideband Headers
Pin #
Definition
Pin #
2
SGPIO:
1
SDIN
I
C:
2
Backplane
Addressing
(SB5)
4
SGPIO:
3
SDOUT
I
C: Reset
2
(SB4)
6
GND (SB3)
5
8
Backplane
7
ID (SB7)
10
No Connec-
9
tion
Ground
+12V
Tachometer
No connection
I
C Y-Cable
2
Connector
Definition
Data
Ground
Clock
No Connection
Backplane
Main Power
Definition
+12V
Ground
+5V
Definition
Controller ID (SB6)
GND (SB2)
SGPIO: SLOAD
I
C:SDA (SB1)
2
SGPIO: SCLOCK
I
C:SCL (SB0)
2
No Connection
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