Supero SC417E16-RJBOD1, User Manual

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C-5
Appendix C: SAS2-216EL1/EL2 Backplane Specifications
C-7 Front Connector and Pin Definitions
Backplane
Main Power
4-Pin Connector
Pin# Definition
1 +12V
2 and 3 Ground
4 +5V
8. Backplane Main Power Connectors
The 4-pin connectors are designated
PWR1, PWR2, PWR3 and PWR4. They
provide power to the backplane. See the
table on the right for pin definitions.
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.
Fan Connectors
Pin# Definition
1 Ground
2 +12V
3 Tachometer
2. Expander Chips
This expander chip allows the backplane
to support dual ports, cascading, and
failover.
1. Flash Chips
The flash chip enhances the backplane
memory.
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.
9. Debug Connector
The debug connector is designated EX-
PDBG1 and is used for manufacturer's
diagnostic purposes only.
10. UART Connector
The UART connector is designated SMART_
UART and is used for manufacturer's diag-
nostic purposes only.