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B-7 Single and Dual Port Expanders
Single Ports
BPN-SAS3-216EL1 model backplanes have a single-port expander on the daughter
card that accesses all of the drives and supports cascading.
Figure B-4. BPN-SAS3-216EL1 Single Port Configuration
Dual Ports
BPN-SAS3-216EL2 model backplanes have dual-port expanders on the daughter
cards that access all of the hard drives. Dual-port expanders support cascading,
failover, and recovery.
Port B: Secondary Expander Ports
From HBA#2 or
Higher Backplane
U2
U15
BPN-SAS3-216EL
REV:1.00
U4
WWN ADDRESS
C11
C12
H
H
E
E
A
A
1
1
5
5
U1
30
U3
DESIGNED IN USA
25
JP3
C162
20
1
2
U8
15
R40
8
10
9
CT199
5
F1
1
1
1
J5
A
E
K
R
Y
C176
10
FAN1
4
1
L5
1
U27
4
4
24
C96
2
C128
R184
U9
14
13
11
11
12
C103
C102
F2
Figure B-5. BPN-SAS3-216EL2 Dual Port Configuration
Appendix B BPN-SAS3-216EL Backplane Specifications
P7
P8
C1
O7
C2
O8
B1
N7
N8
B2
M7
M8
CG5
CG2
CG3
CG4
A1
A2
CG1
J
J
J
J
J9A
J9B
J9C
J9D
J9
BAR CODE
9
9
9
9
C108
C191
D
A
B
C
L7
11
AE
R15
CS26
AK
R17
R185
R186
C121
12
22
C111
C132 C133
C98
CB31
22
12
C177
CB71
C76
C135
C122
CB81
L8
CB120
To Lower Backplane in
Cascaded System
Port A Primary Ports Expander 1
From HBA or
Higher Backplane
U2
U15
BPN-SAS3-216EL
REV:1.00
U4
WWN ADDRESS
C11
C12
H
H
E
E
A
A
1
1
5
5
U1
30
U3
DESIGNED IN USA
25
JP3
C162
20
1
2
U8
15
R40
8
10
9
5
F1
CT199
1
1
1
J5
A
E
K
R
Y
C176
10
FAN1
4
1
L5
1
U27
4
4
24
C96
2
C128
R184
U9
14
13
11
11
12
C103
C102
F2
Port A: Primary Expander Ports
From HBA#1 or
Higher Backplane
U2
U15
BPN-SAS3-216EL
REV:1.00
U4
C11
C12
H
H
E
E
A
A
1
1
5
5
U1
30
U3
DESIGNED IN USA
25
JP3
C162
20
1
2
U8
15
R40
8
10
9
CT199
5
F1
1
1
1
J5
A
E
10
FAN1
4
1
1
4
4
24
C96
2
C128
R184
U9
14
11
13
12
C103
C102
F2
B-7
P7
P8
C1
O7
C2
O8
B1
N7
B2
N8
M7
M8
CG5
CG2
CG3
CG4
A1
A2
J
J
J
J
CG1
J9A
J9B
J9C
J9D
J9
BAR CODE
9
9
9
9
C108
D
C191
A
B
C
L7
11
AE
R15
CS26
AK
R17
R185
R186
C121
12
22
C111
C132 C133
C98
CB31
22
12
C76
C177
CB71
C135
C122
CB81
L8
CB120
To Lower Backplane
in Cascaded System
P7
P8
C1
O7
C2
O8
B1
N7
WWN ADDRESS
N8
B2
M7
M8
CG5
CG2
CG3
CG4
A1
A2
CG1
J
J
J
J
J9A
J9B
J9C
J9D
J9
BAR CODE
9
9
9
9
C108
C191
D
A
B
C
11
K
R
Y
AE
R15
CS26
AK
C176
R17
R185
R186
C121
12
C111
C132 C133
L5
U27
C98
CB31
22
11
12
C177
CB71
C76
C135
C122
CB81
L8
CB120
To Lower Backplane in
Cascaded System
L7
22
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