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SC216 Chassis Manual
C-6 Front Connectors and Pin Definitions
1. Upgrade Connectors
The upgrade connectors are designated JP69,
JP78 and JP115 are used for manufacturer's
diagnostic purposes only.
2. - 7. I
C Connectors
2
The I
C Connectors, designated JP37, JP95,
2
JP52, JP96, JP115 and JP116 are used to
monitor HDD activity and status. See the table
on the right for pin definitions.
8. Backplane Main Power Connectors
The 4-pin connectors, designated JP10, JP13,
JP46, JP48, JP109 and JP110 provide power
to the backplane. See the table on the right for
pin definitions.
9. - 14. SAS IN Ports (Sideband included)
The SAS ports are used to connect the SAS
drive cables. The six SAS IN ports are des-
ignated #JSM1 - #JSM6. Each port is also
compatible with SATA drives.
Pin# Definition
1
2
3
4
Pin# Definition
2 and 3
Pin # Definition
SGPIO:
A11
SDIN
I
C:
2
Backplane
Addressing
(SB5)
A12
SGPIO:
SDOUT
I
C: Reset
2
(SB4)
A9
GND (SB3)
A8
Backplane
ID (SB7)
C-4
I
C Connector
2
Pin Definitions
Data
Ground
Clock
No Connection
Backplane
Main Power
4-Pin Connector
1
+12V
Ground
4
+5V
Sideband Definitions
Pin # Definition
B11
Controller ID
(SB6)
B10
GND (SB2)
SGPIO:
B9
SLOAD
I
C:SDA
2
(SB1)
B8
SGPIO:
SCLOCK
I
C:SCL
2
(SB0)
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