D-5
Appendix D: BPN-SAS-846EL Backplane Specications
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
denitions.
Fan Connectors
Pin# Denition
1 Ground
2 +12V
3 Tachometer
8 - 13. 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.
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