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SAS2-936EL Series Backplane User's Guide
3-2
Failover
The SAS2-936EL2 backplane has two expanders which allow effective failover
and recovery.
Single Host Bus Adapter
In a single host bus configuration,
the backplane connects to one host
bus adapter.
Single Host Bus Adapter Failover
If the expander or data path in Port
A fails, the system will automatically
fail over to Port B.
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SAS HBA
Q3
EC5
ACT18
SEC_MODE2
C365
U18
SEC_MODE1
3
EXPDBG2
C363
EC26
A
C
C366
L2
3
MH9
1
MH8
4
C362
MDIO2
1
EC27
JP1
A
1
SEC_J2
1
SEC_J0
J18
4
UART_S1
4
1
J19
U4
SAS2-936EL2
SEC_J1
C367
C361
MH13
EC20
PWR3
PWR2
PWR4
PWR1
+5V
GND
GND
+12V
+5V
+12V
C390
+5V
GND
GND
+12V
+5V
GND
GND
+12V
GND
GND
EC16
Port B
Expander 2
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
SILKSCREEN
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
R R R R R R R R R R
R
UNLESS OTHERWISE
PRIMARY-SIDE
SPECIFIED DIMENSIONS
ARE IN INCHES
DESIGNER:
Teddy Tsai/Amo
TOLERANCES
DESIGNED BY SUPERMICRO U.S.A.
www.supermicro.com
DECIMAL
ANGLE
DATE:
2010 03 20
REV:
1.01
X
.1
30
XX
.03
SAN JOSE,CA 95131
MACH FINISH
PROJECT NAME:
SAS2-936EL2
XXX
.010
TEL:408-503-8000 FAX:408-503-8008
SAS HBA
Q3
EC5
ACT18
SEC_MODE1
SEC_MODE2
C365
U18
3
EXPDBG2
C363
C366
EC26
A
C
L2
3
1
4
MH9
MH8
MH7
C362
MDIO2
EC27
1
JP1
A
1
SEC_J2
1
SEC_J0
J18
4
4
UART_S1
1
J19
U4
SAS2-936EL2
SEC_J1
C367
C361
MH13
MH12
EC20
PWR3
PWR4
PWR2
PWR1
C390
+5V
GND
GND
+12V
+5V
GND
GND
+12V
+5V
GND
GND
+12V
+5V
GND
GND
+12V
EC16
Port B
Expander 2
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
UPER
R R R R R R R R R R
R
SILKSCREEN
UNLESS OTHERWISE
PRIMARY-SIDE
SPECIFIED DIMENSIONS
ARE IN INCHES
DESIGNER:
Teddy Tsai/Amo
TOLERANCES
DESIGNED BY SUPERMICRO U.S.A.
www.supermicro.com
DATE:
2010 03 20
REV:
1.01
DECIMAL
ANGLE
X
.1
30
XX
.03
MACH FINISH
SAN JOSE,CA 95131
PROJECT NAME:
SAS2-936EL2
XXX
.010
TEL:408-503-8000 FAX:408-503-8008
3-2
C133
C120
C128
MDIO1
L1
MH7
1
MH6
2
J16
1
L59
EC4
U13
ACT17
C
A
FANFAIL_LED_DISABLE
PRI_J1
1
1
PRI_MODE1
A
C
A
C
1
A
A
1
C
C
PRI_MODE2
U3
UART_P1
4
OVERHEATFAIL1
FANFAIL1
REV: 1.01
1
5V_LED1
12V_LED1
4
BCA84
EXPDBG1
PRI_J2
WWN
PRI_J0
BAR CODE
C121
MH12
EC11
EC17
EC13
EC10
MH11
EC8
1
4
1
4
1
4
FAN3
FAN1
FAN2
EC14
Port A
Expander 1
C120
MDIO1
C133
C128
L1
1
MH6
2
J16
1
L59
EC4
PRI_I2C1
U13
ACT17
C
A
FANFAIL_LED_DISABLE
PRI_J1
A
C
A
C
1
1
PRI_MODE1
1
1
A
A
C
C
3
PRI_MODE2
U3
UART_P1
4
REV: 1.01
OVERHEATFAIL1
FANFAIL1
1
5V_LED1
12V_LED1
4
BCA84
EXPDBG1
PRI_J2
PRI_J0
WWN
BAR CODE
C121
EC11
EC13
EC9
EC17
EC10
MH11
EC8
1
4
1
4
1
4
FAN1
FAN2
FAN3
EC14
Port A
Expander 1
MH5
PRI_I2C1
3
1
EC9
MH10
MH5
1
MH10
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