User`s manual

D-4
SC213 Chassis Manaual
D-5 RearConnectorandPinDenitions
Backplane
Main Power
4-Pin Connector
Pin# Denition
1 +12V
2 and 3
Ground
4 +5V
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 denitions.
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
denitions.
Fan Connectors
Pin# Denition
1 Ground
2 +12V
3 Tachometer
2. Expander Chips
This Expander Chip allows the backplane
to support dual ports, cascading, and
failover.
1. Primary Flash Chips
The Primary Flash Chip enhances the back-
plane 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.