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SC213 Chassis Manaual
D-5 Rear Connector and Pin Definitions
1. Primary Flash Chips
The Primary Flash Chip enhances the back-
plane memory.
2. Expander Chips
This Expander Chip allows the backplane
to support dual ports, cascading, and
failover.
3. - 5. SAS Ports
The primary and secondary sets of SAS
ports provide expander features including
cascading and failover From right to left
the ports are Primary 1/2/3 and Second-
ary 1/2/3.
6. EPP Ports
The EPP ports are used for manufacturer
diagnostic purposes only.
7. Fan Connectors
The 3-pin connectors, designated FAN1,
FAN2, and FAN3, provide power to the
fans. See the table on the right for pin
definitions.
8. Backplane Main Power Connectors
The 4-pin connectors, designated PWR1,
PWR2, PWR3, PWR4, PWR5, and PWR6,
provide power to the backplane. See the
table on the right for pin definitions.
Pin# Definition
Pin# Definition
D-4
Fan Connectors
1
Ground
2
+12V
3
Tachometer
Backplane
Main Power
4-Pin Connector
1
+12V
2 and 3
Ground
4
+5V
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