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Supported Cascading Configurations
Cascading allows the system to access data at a faster rate by allowing several
backplanes to share resources to reduce latency time.
The first backplane in a cascaded system requires a motherboard and an HBA.
Other servers require a JBOD Control Board but with no motherboard and no HBA.
U18
EC1
MH1
L1
EC20
A
4
1
JP1
1
EC3
A
3
3
4
4
B
C352
1
PWR4
1
1
C361
PWR1
+5V
GND
GND
+12V
C411
+5V
GND
GND
+12V
EC19
+
PWR3
+5V
GND
GND
+5V
GND
GND
+12V
+12V
PWR2
C353
C365
BCA160
BCA115
BCA111
BCA172
MH3
MDIO2
C351
BCA105
R249
Secondary Port
Expander 2
Cable 0167L
(Internal cable)
U18
EC1
MH1
L1
A
EC20
4
1
JP1
1
EC3
A
3
3
4
4
B
C352
1
PWR4
1
1
C361
PWR1
C411
+5V
GND
GND
+12V
+5V
GND
GND
+12V
EC19
+
PWR3
+5V
GND
GND
+12V
+5V
GND
GND
+12V
PWR2
C353
C365
BCA160
BCA115
BCA111
BCA172
MH3
MDIO2
C351
BCA105
R249
Secondary Port
Expander 2
JBOD Control Board
U18
EC1
MH1
L1
EC20
A
4
JP1
1
1
EC3
BCA185
A
3
3
4
4
B
C352
1
PWR4
1
1
C361
PWR1
C411
+5V
GND
GND
+12V
+5V
GND
GND
+12V
EC19
+
PWR3
+5V
GND
GND
+12V
+5V
GND
GND
+12V
PWR2
C353
C365
BCA160
BCA115
BCA111
BCA172
MH3
MDIO2
C351
BCA105
R249
Secondary Port
Expander 2
JBOD Control Board
Figure 2EL-18. Simple Cascaded Configurations
PRI_J2
SEC_J2
SEC_J1
PRI_J3
R284
EC15
MH9
4
4
1
3
3
3
1
C421
3
EC5
C182
EC12
1
1
1
EC18
BCA185
U14
BPN-SAS2-836EL2
MH10
REV 1.02
DESIGNED IN USA
WWN
BAR CODE
EC16
EC11
C134
C132
U3
C121
BCA14
L41
J19
1
C363
MDIO1
EC28
EC26
EC17
1
FAN1
4
MH12
L121
L18
1
C60
C129
1
FAN2
4
C119
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
DESINGER:
Minh
DESIGNED BY SUPERMICRO U.S.A.
TOLERANCES
www.supermicro.com
DATE:
2010 05 28
REV:
1.02
DECIMAL
ANGLE
X
.1
30
XX
.03
MACH FINISH
SAN JOSE,CA 95131
PROJECT NAME:
XXX
.010
TEL:408-503-8000 FAX:408-503-8008
BPN-SAS2-836EL2
Primary Port
HBA
PRI_J2
SEC_J2
SEC_J1
PRI_J3
R284
EC15
MH9
4
4
1
3
3
3
1
C421
3
EC5
C182
EC12
1
1
1
EC18
BCA185
U14
BPN-SAS2-836EL2
MH10
REV 1.02
DESIGNED IN USA
WWN
BAR CODE
EC16
EC11
C132
U3
C134
C121
BCA14
L41
J19
1
C363
MDIO1
EC28
EC26
EC17
1
FAN1
4
MH12
L121
L18
1
C60
C129
1
FAN2
4
C119
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
DESINGER:
Minh
DESIGNED BY SUPERMICRO U.S.A.
TOLERANCES
www.supermicro.com
DATE:
2010 05 28
REV:
1.02
DECIMAL
ANGLE
X
.1
30
SAN JOSE,CA 95131
XX
.03
MACH FINISH
PROJECT NAME:
BPN-SAS2-836EL2
XXX
.010
TEL:408-503-8000 FAX:408-503-8008
PRI_J2
SEC_J2
SEC_J1
PRI_J3
R284
MH9
4
4
EC15
1
3
3
3
1
C421
3
EC5
C182
EC12
1
1
1
EC18
U14
BPN-SAS2-836EL2
MH10
REV 1.02
DESIGNED IN USA
WWN
BAR CODE
EC16
EC11
C132
U3
C134
C121
BCA14
L41
J19
1
C363
MDIO1
EC28
EC26
EC17
MH12
L121
1
FAN1
4
L18
1
C60
C129
1
FAN2
4
C119
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
DESINGER:
Minh
DESIGNED BY SUPERMICRO U.S.A.
TOLERANCES
DECIMAL
ANGLE
www.supermicro.com
DATE:
2010 05 28
REV:
1.02
X
.1
30
SAN JOSE,CA 95131
XX
.03
MACH FINISH
PROJECT NAME:
BPN-SAS2-836EL2
XXX
.010
TEL:408-503-8000 FAX:408-503-8008
Primary Port
Expander 1
C-39
Appendix C Backplane Specifications
MH6
FANFAIL_LED_DISABLE
MH4
FAN_MONITOR_DISABLE
PRI_J1
C
C
C154
A
A
A
C
C
A
R162
OVERHEATFAIL1
MH5
WWN
D4
F3
C212
1
FAN3
4
2
1
J16
MH8
Single Port Cable
Expander 1
MH6
FANFAIL_LED_DISABLE
MH4
FAN_MONITOR_DISABLE
PRI_J1
C
C
C154
A
A
A
C
C
A
R162
OVERHEATFAIL1
MH5
WWN
D4
F3
C212
1
FAN3
4
2
1
J16
MH8
Primary Port
Expander 1
MH6
FANFAIL_LED_DISABLE
MH4
FAN_MONITOR_DISABLE
PRI_J1
C
C
C154
A
C
A
A
C
A
R162
OVERHEATFAIL1
MH5
WWN
D4
F3
C212
1
FAN3
4
2
1
J16
MH8
Assembly
Cable 0166L
(External cable)
Cable 0167L
)
(Internal cable
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