
M14T Mobile Rack User's Guide
2-2
Fan Header
Pin Defi nitions (JP22)
Pin# Defi nition
1 Ground
2 +12V
3 Tachometer
Rear Side Connectors
JP10: 4-pin power connector
The 4-pin power connector designated JP10, is
located on the rear side of the SASM14V back-
plane. This power connector must be connected
to your power supply in order to provide adequate
power to the backplane. See the table on the right
for pin defi nitions.
JP11: SAS-In Connector
JP22: 3-pin Fan Header. The 3-pin fan header
designated JP22, located on the rear side of the
SASM14V backplane. Connect a cable to the fan
header to provide cooling to the backplane. See
the table on the right for pin defi nitions.
JP26: ACT-In Header
The 4-pin Act-In header designated JP26, is lo-
cated on the rear side of the SASM14V backplane.
It indicates the activity status of the SAS/SATA slots
that are on the front of the backplane. See the table
on the right for pin defi nitions.
+12V
GND
+5V
GND
1
1
1
JP42
JP22
Fan
JP10
4-Pin PWR
JP25
SAS In
ACT In
Figure 2-2: Rear Connectors and Jumpers
JP18
J11
JP26
Act-In Header
Pin Defi nitions (JP26)
Pin# Defi nition
Open Act-In#0-#3 (Default)
1 Act-In#0
2 Act-In#1
3 Act-In#2
4 Act-In#3
4-pin Power Connector
Pin Defi nitions
Pin# Defi nition
1 +12V
2 Ground
3 Ground
4 +5V
2-2 SASM14V Rear Connectors and Jumpers
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