3-5
Safety Information and Technical Specifi cations
2. Fan Connectors
The 3-pin connector, designated JP4 pro-
vides power to the fan. See the table on the
right for pin defi nitions.
Fan Connector
(JP4)
Pin# Defi nition
1
Ground
2
+12V
3
Tachometer
Backplane
Main Power
4-Pin Connector
(JP1 and JP2)
Pin# Defi nition
1
+12V
2 and 3
Ground
4
+5V
1. Backplane Main Power Connectors
The 4-pin connectors, designated JP1 and
JP2 provide power to the backplane. See
the table on the right for pin defi nitions.
3-10. SAS Ports
The SAS ports are used to connect the SAS
drive cables. The 8 ports are designated
#0 - #7.
NOTE:
Ports #4, #5, #6, and #7 are avail-
able on the E2 models only.
Front Connector and Pin Defi nitions
SAS Ports
Port# Information
0
IN
1
IN
2
IN and OUT
3
IN and OUT
4
IN
5
IN
6
IN and OUT
7
IN and OUT
