User`s manual

D-4
Appendix D SAS 826EL Backplane Specifications
Backplane
Main Power
4-Pin Connector
(PWR0, PWR1,
and PWR3)
Pin# Definition
1
+12V
2 and 3
Ground
4
+5V
5. Backplane Main Power Connectors
The 4-pin connectors, designated PWR0,
PWR1, and PWR3, provide power to the
backplane. See the table on the right for pin
definitions.
6. 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
(Fan1, Fan2, and Fan3)
Pin# Definition
1 Ground
2 +12V
3 Tachometer
7-10. SAS Ports
SAS port connectors.