H-11
Appendix H: SAS2-846EL Backplane Specifications
Single Host Bus Adapter
In a single host bus configuration, the
backplane connects to one Host Bus
Adapter (HBA).
R338
R228
R4635
R4631
C391
BCA375
BCA265
+
EC9
EC8
+
EC7
+
EC6
+
EC5
+
EC4
+
EC3
+
EC29
+
EC28
+
EC27
+
EC26
+
EC25
+
EC24
EC23
+
EC22
+
EC21
+
EC2
+
EC15
+
EC14
EC13
+
EC12
+
EC11
+
EC10
+
EC1
EC30
+
L150
L148
L149
U7
BUZZER1
+
1
AC
TLED1
1
REMOTE_FAN_FAIL1
1
BUZZER_ENB1
1
REMO
TE_F
AN_F
AIL_SC
OKE
T
1
MDIO2
1
MDIO1
F3
F1
FANFAIL1
A
C
OVERHEATFAIL1
A
C
12V_LED
A
C
5V_LED
A
C
ACT25
A
C
ACT24
A
C
D7
BC
A376
C367
C125
Q9
PRI_MODE1
1
3
SEC_MODE1
3
SEC_MODE2
1
3
PRI_MODE2
1
3
RA225
R606
+
+
+
C2973
+
+
C2971
+
+
+
C2925
+
EC16
EC17
+
EC18
+
EC31
+
C872
+
+
+
+
C865
+
C864
+
C863
+
C862
+
C861
PRI_J0
PRI_J1
PRI_J2
SEC_J0
SEC_J1
SEC_J2
MH5
MH7
MH6
MH4
MH8
MH3
MH14
MH13
MH12
MH11
MH15
MH10
4
1
FAN1
4
1
FAN2
4
1
FAN3
J24
1
8
1
8
U8
5
Y
E
20
R
K
10
15
AE
25
28
AH
U4
5
Y
E
20
R
K
10
15
AE
25
28
AH
U5
SEC_FLASH
PRI_FLASH
2
J27
1
J26
U17
U16
Y9
EXPDBG1
4
1
EXPDBG2
4
1
U
AR
T_P
4
1
U
AR
T_S
4
1
U330
PRI_I2C
BAR CODE
+5V
+12V
GND
GND
PWR6
+5V
+12V
GND
GND
PWR4
+5V
+12V
GND
GND
PWR5
+5V
+12V
GND
GND
PWR3
+5V
+12V
GND
GND
PWR2
+5V
+12V
GND
GND
PWR1
1.01
REV:
BPN-SAS2-846EL2
MACH FINISH
30
ANGLE
SPECIFIED DIMENSIONS
UNLESS OTHERWISE
XXX
XX
X
.010
.03
.1
TOLERANCES
DECIMAL
ARE IN INCHES
Minh/Max
DESINGER:
DATE:
2009.12.09
PROJECT NAME:
SAN JOSE,CA 95131
DESIGNED BY SUPERMICRO U.S.A.
www.supermicro.com
TEL:408-503-8000 FAX:408-503-8008
SILKSCREEN
PRIMARY-SIDE
S
UPER
R
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
RRRRRRRRRR
WWN
DESIGNED IN USA
REV 1.01
BPN-SAS2-846EL2
4
1
FAN2
R338
R228
R4635
R4631
C391
BCA375
BCA265
+
EC9
EC8
+
EC7
+
EC6
+
EC5
+
EC4
+
EC3
+
EC29
+
EC28
+
EC27
+
EC26
+
EC25
+
EC24
EC23
+
EC22
+
EC21
+
EC2
+
EC15
+
EC14
EC13
+
EC12
+
EC11
+
EC10
+
EC1
EC30
+
L150
L148
L149
U7
BUZZER1
+
1
AC
TLED1
1
REMOTE_FAN_FAIL1
1
BUZZER_ENB1
1
REMO
TE_F
AN_F
AIL_SC
OKE
T
1
MDIO2
1
MDIO1
F3
F1
FANFAIL1
A
C
OVERHEATFAIL1
A
C
12V_LED
A
C
5V_LED
A
C
ACT25
A
C
ACT24
A
C
D7
BC
A376
C367
C125
Q9
PRI_MODE1
1
3
SEC_MODE1
3
SEC_MODE2
1
3
PRI_MODE2
1
3
RA225
R606
+
+
+
C2973
+
+
C2971
+
+
+
C2925
+
EC16
EC17
+
EC18
+
EC31
+
C872
+
+
+
+
C865
+
C864
+
C863
+
C862
+
C861
PRI_J0
PRI_J1
PRI_J2
SEC_J0
SEC_J1
SEC_J2
MH5
MH7
MH6
MH4
MH8
MH3
MH14
MH13
MH12
MH11
MH15
MH10
4
1
FAN1
4
1
FAN2
4
1
FAN3
J24
1
8
1
8
U8
5
Y
E
20
R
K
10
15
AE
25
28
AH
U4
5
Y
E
20
R
K
10
15
AE
25
28
AH
U5
SEC_FLASH
PRI_FLASH
2
J27
1
J26
U17
U16
Y9
EXPDBG1
4
1
EXPDBG2
4
1
U
AR
T_P
4
1
U
AR
T_S
4
1
U330
PRI_I2C
BAR CODE
+5V
+12V
GND
GND
PWR6
+5V
+12V
GND
GND
PWR4
+5V
+12V
GND
GND
PWR5
+5V
+12V
GND
GND
PWR3
+5V
+12V
GND
GND
PWR2
+5V
+12V
GND
GND
PWR1
1.01
REV:
BPN-SAS2-846EL2
MACH FINISH
30
ANGLE
SPECIFIED DIMENSIONS
UNLESS OTHERWISE
XXX
XX
X
.010
.03
.1
TOLERANCES
DECIMAL
ARE IN INCHES
Minh/Max
DESINGER:
DATE:
2009.12.09
PROJECT NAME:
SAN JOSE,CA 95131
DESIGNED BY SUPERMICRO U.S.A.
www.supermicro.com
TEL:408-503-8000 FAX:408-503-8008
SILKSCREEN
PRIMARY-SIDE
S
UPER
R
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
RRRRRRRRRR
WWN
DESIGNED IN USA
REV 1.01
BPN-SAS2-846EL2
4
1
FAN2
SAS HBA
SAS HBA
Primary ports
Expander 1
Primary ports
Expander 1
Primary ports
Expander 1
Primary ports
Expander 1
Secondary ports
Expander 2
Secondary ports
Expander 2
Secondary ports
Expander 2
Secondary ports
Expander 2
The SAS2-846EL2 backplane has two expanders which allow effective failover.
H-11 Failover
Single Host Bus Adapter
Failover
If the expander or data path in the
primary ports fails, the system automati-
cally switches to secondary ports.
R338
R228
R4635
R4631
C391
BCA375
BCA265
+
EC9
EC8
+
EC7
+
EC6
+
EC5
+
EC4
+
EC3
+
EC29
+
EC28
+
EC27
+
EC26
+
EC25
+
EC24
EC23
+
EC22
+
EC21
+
EC2
+
EC15
+
EC14
EC13
+
EC12
+
EC11
+
EC10
+
EC1
EC30
+
L150
L148
L149
U7
BUZZER1
+
1
AC
TLED1
1
REMOTE_FAN_FAIL1
1
BUZZER_ENB1
1
REMO
TE_F
AN_F
AIL_SC
OKE
T
1
MDIO2
1
MDIO1
F3
F1
FANFAIL1
A
C
OVERHEATFAIL1
A
C
12V_LED
A
C
5V_LED
A
C
ACT25
A
C
ACT24
A
C
D7
BC
A376
C367
C125
Q9
PRI_MODE1
1
3
SEC_MODE1
3
SEC_MODE2
1
3
PRI_MODE2
1
3
RA225
R606
+
+
+
C2973
+
+
C2971
+
+
+
C2925
+
EC16
EC17
+
EC18
+
EC31
+
C872
+
+
+
+
C865
+
C864
+
C863
+
C862
+
C861
PRI_J0
PRI_J1
PRI_J2
SEC_J0
SEC_J1
SEC_J2
MH5
MH7
MH6
MH4
MH8
MH3
MH14
MH13
MH12
MH11
MH15
MH10
4
1
FAN1
4
1
FAN2
4
1
FAN3
J24
1
8
1
8
U8
5
Y
E
20
R
K
10
15
AE
25
28
AH
U4
5
Y
E
20
R
K
10
15
AE
25
28
AH
U5
SEC_FLASH
PRI_FLASH
2
J27
1
J26
U17
U16
Y9
EXPDBG1
4
1
EXPDBG2
4
1
U
AR
T_P
4
1
U
AR
T_S
4
1
U330
PRI_I2C
BAR CODE
+5V
+12V
GND
GND
PWR6
+5V
+12V
GND
GND
PWR4
+5V
+12V
GND
GND
PWR5
+5V
+12V
GND
GND
PWR3
+5V
+12V
GND
GND
PWR2
+5V
+12V
GND
GND
PWR1
1.01
REV:
BPN-SAS2-846EL2
MACH FINISH
30
ANGLE
SPECIFIED DIMENSIONS
UNLESS OTHERWISE
XXX
XX
X
.010
.03
.1
TOLERANCES
DECIMAL
ARE IN INCHES
Minh/Max
DESINGER:
DATE:
2009.12.09
PROJECT NAME:
SAN JOSE,CA 95131
DESIGNED BY SUPERMICRO U.S.A.
www.supermicro.com
TEL:408-503-8000 FAX:408-503-8008
SILKSCREEN
PRIMARY-SIDE
S
UPER
R
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
RRRRRRRRRR
WWN
DESIGNED IN USA
REV 1.01
BPN-SAS2-846EL2
4
1
FAN2
R338
R228
R4635
R4631
C391
BCA375
BCA265
+
EC9
EC8
+
EC7
+
EC6
+
EC5
+
EC4
+
EC3
+
EC29
+
EC28
+
EC27
+
EC26
+
EC25
+
EC24
EC23
+
EC22
+
EC21
+
EC2
+
EC15
+
EC14
EC13
+
EC12
+
EC11
+
EC10
+
EC1
EC30
+
L150
L148
L149
U7
BUZZER1
+
1
AC
TLED1
1
REMOTE_FAN_FAIL1
1
BUZZER_ENB1
1
REMO
TE_F
AN_F
AIL_SC
OKE
T
1
MDIO2
1
MDIO1
F3
F1
FANFAIL1
A
C
OVERHEATFAIL1
A
C
12V_LED
A
C
5V_LED
A
C
ACT25
A
C
ACT24
A
C
D7
BC
A376
C367
C125
Q9
PRI_MODE1
1
3
SEC_MODE1
3
SEC_MODE2
1
3
PRI_MODE2
1
3
RA225
R606
+
+
+
C2973
+
+
C2971
+
+
+
C2925
+
EC16
EC17
+
EC18
+
EC31
+
C872
+
+
+
+
C865
+
C864
+
C863
+
C862
+
C861
PRI_J0
PRI_J1
PRI_J2
SEC_J0
SEC_J1
SEC_J2
MH5
MH7
MH6
MH4
MH8
MH3
MH14
MH13
MH12
MH11
MH15
MH10
4
1
FAN1
4
1
FAN2
4
1
FAN3
J24
1
8
1
8
U8
5
Y
E
20
R
K
10
15
AE
25
28
AH
U4
5
Y
E
20
R
K
10
15
AE
25
28
AH
U5
SEC_FLASH
PRI_FLASH
2
J27
1
J26
U17
U16
Y9
EXPDBG1
4
1
EXPDBG2
4
1
U
AR
T_P
4
1
U
AR
T_S
4
1
U330
PRI_I2C
BAR CODE
+5V
+12V
GND
GND
PWR6
+5V
+12V
GND
GND
PWR4
+5V
+12V
GND
GND
PWR5
+5V
+12V
GND
GND
PWR3
+5V
+12V
GND
GND
PWR2
+5V
+12V
GND
GND
PWR1
1.01
REV:
BPN-SAS2-846EL2
MACH FINISH
30
ANGLE
SPECIFIED DIMENSIONS
UNLESS OTHERWISE
XXX
XX
X
.010
.03
.1
TOLERANCES
DECIMAL
ARE IN INCHES
Minh/Max
DESINGER:
DATE:
2009.12.09
PROJECT NAME:
SAN JOSE,CA 95131
DESIGNED BY SUPERMICRO U.S.A.
www.supermicro.com
TEL:408-503-8000 FAX:408-503-8008
SILKSCREEN
PRIMARY-SIDE
S
UPER
R
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
S
UPER
RRRRRRRRRR
WWN
DESIGNED IN USA
REV 1.01
BPN-SAS2-846EL2
4
1
FAN2
SAS HBA
SAS HBA
SAS HBA
SAS HBA
Dual Host Bus Adapter
In a dual host bus configuration, the
backplane connects to two host bus
adapters.
Dual Host Bus Adapter
Failover
If the expander or data path in the
primary ports fails, the system auto-
matically switches to the secondary
ports. This maintains a full connection
to all drives.
Figure H-5. Failover Configurations
Summary of Contents for SC847 Series
Page 12: ...SC847 Chassis Manual 1 4 Notes...
Page 32: ...2 20 SC847 Chassis Manual Notes...
Page 53: ...5 15 Chapter 5 Chassis Setup and Maintenance Figure 5 14 Placing the System Fan...
Page 76: ...SC847 Chassis Manual B 2 Notes...
Page 86: ...C 10 SC847 Chassis Manual Notes...
Page 96: ...D 10 SC847 Chassis Manual Notes...
Page 118: ...E 22 SC847 Chassis Manual Notes...
Page 187: ...H 23 Appendix H SAS2 846EL Backplane Specifications Notes...