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SC836 Chassis Manual
Failover
The BPN-SAS2-836EL2 backplane has two expanders which allow effective failover.
Single Host Bus
Adapter
In a single host bus configuration, the
backplane connects to one Host Bus
Adapter (HBA).
Single Host Bus Adapter
Failover
If the expander or data path in Port A
fails, the system automatically switches
to Port B.
Figure 2EL-6. Single and Dual HBAs
C-28
SAS HBA
SEC_J2
SEC_J1
U18
EC1
MH1
R284
EC15
L1
3
1
EC20
A
C421
4
JP1
1
1
EC18
EC3
BCA185
A
3
3
4
4
BPN-SAS2-836EL2
MH10
REV 1.02
B
DESIGNED IN USA
C352
1
PWR4
1
1
C361
WWN
BAR CODE
PWR1
EC16
C411
+5V
GND
GND
+12V
+5V
GND
GND
+12V
EC19
J19
1
+
C363
PWR3
+5V
GND
GND
+12V
+5V
GND
GND
+12V
EC28
EC26
PWR2
C353
C365
BCA160
BCA115
BCA111
BCA172
EC17
MH12
1
FAN1
4
MH3
MDIO2
C351
BCA105
R249
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
PRIMARY-SIDE
Secondary ports
DESINGER:
Minh
DESIGNED BY SUPERMICRO U.S.A.
www.supermicro.com
DATE:
2010 05 28
REV:
1.02
SAN JOSE,CA 95131
TEL:408-503-8000 FAX:408-503-8008
PROJECT NAME:
BPN-SAS2-836EL2
Expander 2
SAS HBA
U18
EC1
SEC_J2
SEC_J1
MH1
R284
EC15
L1
3
1
C421
EC20
A
4
1
JP1
1
EC18
EC3
BCA185
A
BPN-SAS2-836EL2
3
3
4
4
MH10
REV 1.02
B
C352
DESIGNED IN USA
1
PWR4
C361
WWN
1
1
BAR CODE
PWR1
EC16
C411
+5V
GND
GND
+12V
+5V
GND
GND
+12V
EC19
J19
1
+
C363
PWR3
+5V
GND
GND
+12V
+5V
GND
GND
+12V
EC28
EC26
PWR2
C353
C365
BCA160
BCA115
BCA111
BCA172
EC17
1
FAN1
4
MH12
MH3
MDIO2
C351
BCA105
R249
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
PRIMARY-SIDE
DESINGER:
Minh
DESIGNED BY SUPERMICRO U.S.A.
www.supermicro.com
Secondary ports
DATE:
2010 05 28
REV:
1.02
SAN JOSE,CA 95131
PROJECT NAME:
BPN-SAS2-836EL2
TEL:408-503-8000 FAX:408-503-8008
Expander 2
PRI_J2
PRI_J3
MH9
4
4
MH6
FANFAIL_LED_DISABLE
MH4
1
3
3
PRI_J1
FAN_MONITOR_DISABLE
C
C
3
C154
EC5
C182
A
C
A
A
EC12
1
1
1
C
A
R162
OVERHEATFAIL1
U14
MH5
WWN
EC11
C132
U3
C134
C121
D4
BCA14
L41
F3
MDIO1
C212
1
FAN3
L121
L18
1
4
2
1
C60
C129
1
J16
MH8
FAN2
4
C119
UNLESS OTHERWISE
SPECIFIED DIMENSIONS
ARE IN INCHES
TOLERANCES
Primary ports
DECIMAL
ANGLE
X
.1
30
XX
.03
MACH FINISH
XXX
.010
Expander 1
PRI_J2
PRI_J3
MH9
4
4
MH6
1
FANFAIL_LED_DISABLE
MH4
FAN_MONITOR_DISABLE
3
3
PRI_J1
C
C
3
C154
EC5
C182
A
A
A
C
EC12
1
1
1
C
A
R162
OVERHEATFAIL1
U14
MH5
WWN
EC11
C132
U3
C134
C121
D4
BCA14
L41
F3
MDIO1
C212
1
FAN3
L121
L18
1
4
2
1
C60
C129
1
J16
MH8
C119
FAN2
4
UNLESS OTHERWISE
SPECIFIED DIMENSIONS
ARE IN INCHES
TOLERANCES
DECIMAL
ANGLE
X
.1
30
XX
.03
MACH FINISH
Primary ports
XXX
.010
Expander 1
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