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Chassis SC946L JBOD User's Manual
Expander Chip Side Component Definitions
1. - 2. Primary and Secondary Expander Chips
These chips allow connectivity to the primary and secondary components on the backplane.
3. Primary SAS Slim Line Connectors
These primary SAS slim line connectors are designated CN1 and CN2.
4. Secondary SAS Slim Line Connectors
These secondary SAS slim line connectors are designated CN3 and CN4.
5. Primary UART Connector
The primary UART connector is designated J52 and is used for the manufacturer's diagnostic
purposes only.
6. I
C Connector
2
The I
C connector is designated J48. This connector is used to monitor hard drive activity
2
and status through LEDs. See the table on the right for pin definitions. J48 is for the manu-
facturer's use only.
I
C Connector
2
Pin Definitions
Pin#
Definition
1
Data
2
Ground
3
Clock
4
No Connection
76
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