33
Appendix A: BPN-SAS3-826EL1-N4 Backplane
A
1
E
5
H
5
1
A
E
H
A
C
A
C
1
7
25
26
50
51
75
76
100
1
3
1
3
BPN-SAS3-826EL1-N4
REV:1.00
SAS CODE
A
C
A
C
A
C
A
C
+
+
+
+
3
2
1
4
3
2
1
4
1
4
1
4
1
4
1
4
1
4
6
7
8
9
13
12
22
A1 A2
A7
A8
CG
1
CG
2
B1
B2
B7
B8
C1
C2
C7
C8
D1
D2
D7
D8
CG
3
E1
E2
G2
F2
F1
H2
H1
G1
F7
F8
G8
E7
G7
H7
H8
E8
PRESS FIT
A1
A2
A7
A8
CG
1
CG
2
B1
B2
B7
B8
C1
C2
C7
C8
D1
D2
D7
D8
CG
3
E1
E2
G2
F2
F1
H2
H1
G1
F7
F8
G8
E7
G7
H7
H8
E8
PRESS FIT
A1
A2
A7
A8
CG
1
CG
2
B1
B2
B7
B8
C1
C2
C7
C8
D1
D2
D7
D8
CG
3
E1
E2
G2
F2
F1
H2
H1
G1
F7
F8
G8
E7
G7
H7
H8
E8
PRESS FIT
A1 A2
A7
A8
CG
1
CG
2
B1
B2
B7
B8
C1
C2
C7
C8
D1
D2
D7
D8
CG
3
E1
E2
G2
F2
F1
H2
H1
G1
F7
F8
G8
E7
G7
H7
H8
E8
PRESS FIT
1
5
10
15
20
25
26
AF
AE
Y
R
K
E
A
1
2
3
1
2
3
1
DESIGNED IN USA
BAR CODE
67
12
13
24
7
12
24
U136
R399
Q43
L2
D32
D31
JP2
J24
J23
L3
Q17
L1
LED29
LED27
LED26
LED25
L29
C188
C19
4
C192
C193
J21
J20
U22
J22
J18
JPW2
JPW1
JPW3
U11
OSC1
U143
U19
U14
U13
U16
U3
C7
C6
C206
C205
C186
C187
J15
J14
J16
J17
MH7
MH6
MH9
MH8
MH5
MH1
MH2
MH3
U9
U30
U7
JP1
U26
R44
R400
R1
08
R97
R1
10
R183
R182
C30
C17
C486
C485
C14
CPU2
0
3
2
1
: 2
: 3
: 1
: 4
CPU1
J24
2-3
2-3
1-2
1-2
1-2
1-2
2-3
2-3
J23
NVM
e4
NVM
e3
NVMe2
NVM
e1
CPLD
SAS P1
SAS P3
SAS P2
SAS P4
I2C#4
UART
12V
5V
HB-LED
SDB
I2C#0
TEST
ACT-LED
From HBA or Higher
Backplane
A.8 Cascading Configurations
Single Port Expanders
SAS connectors SASP1 through SASP4 are bidirectional and can be treated as input or
output.
Single Ports
BPN-SAS3-826EL1 backplanes have a single port expander that accesses all of the drives
and supports cascading.
To Lower
Backplane in
Cascaded System
Port A Primary Expander 1
Figure A-4. BPN-SAS3-826EL1 Single Port Configuration
SAS P4
SAS P1
SAS P2
SAS P3
Connecting an External HBA to the Backplane
This backplane supports external host bus adapters. In this configuration, the HBA and the
backplane are in different physical chassis. This allows a JBOD (Just a Bunch Of Drives)
configuration from an existing system.
HBA
Power Card
CBL-SAST-0573
External Mini-SAS HD
Cable
Figure A-5. Single External Host Adapter
Single External Host Bus Adapter
A
1
E
5
H
5
1
A
E
H
A
C
A
C
1
7
25
26
50
51
75
76
100
1
3
1
3
BPN-SAS3-826EL1-N4
REV:1.00
SAS CODE
A
C
A
C
A
C
A
C
+
+
+
+
3
2
1
4
3
2
1
4
1
4
1
4
1
4
1
4
1
4
6
7
8
9
13
12
22
A1 A2
A7
A8
CG
1
CG
2
B1
B2
B7
B8
C1
C2
C7
C8
D1
D2
D7
D8
CG
3
E1
E2
G2
F2
F1
H2
H1
G1
F7
F8
G8
E7
G7
H7
H8
E8
PRESS FIT
A1
A2
A7
A8
CG
1
CG
2
B1
B2
B7
B8
C1
C2
C7
C8
D1
D2
D7
D8
CG
3
E1
E2
G2
F2
F1
H2
H1
G1
F7
F8
G8
E7
G7
H7
H8
E8
PRESS FIT
A1
A2
A7
A8
CG
1
CG
2
B1
B2
B7
B8
C1
C2
C7
C8
D1
D2
D7
D8
CG
3
E1
E2
G2
F2
F1
H2
H1
G1
F7
F8
G8
E7
G7
H7
H8
E8
PRESS FIT
A1 A2
A7
A8
CG
1
CG
2
B1
B2
B7
B8
C1
C2
C7
C8
D1
D2
D7
D8
CG
3
E1
E2
G2
F2
F1
H2
H1
G1
F7
F8
G8
E7
G7
H7
H8
E8
PRESS FIT
1
5
10
15
20
25
26
AF
AE
Y
R
K
E
A
1
2
3
1
2
3
1
DESIGNED IN USA
BAR CODE
67
12
13
24
7
12
24
U136
R399
Q43
L2
D32
D31
JP2
J24
J23
L3
Q17
L1
LED29
LED27
LED26
LED25
L29
C188
C19
4
C192
C193
J21
J20
U22
J22
J18
JPW2
JPW1
JPW3
U11
OSC1
U143
U19
U14
U13
U16
U3
C7
C6
C206
C205
C186
C187
J15
J14
J16
J17
MH7
MH6
MH9
MH8
MH5
MH1
MH2
MH3
U9
U30
U7
JP1
U26
R44
R400
R1
08
R97
R1
10
R183
R182
C30
C17
C486
C485
C14
CPU2
0
3
2
1
: 2
: 3
: 1
: 4
CPU1
J24
2-3
2-3
1-2
1-2
1-2
1-2
2-3
2-3
J23
NVM
e4
NVM
e3
NVMe2
NVM
e1
CPLD
SAS P1
SAS P3
SAS P2
SAS P4
I2C#4
UART
12V
5V
HB-LED
SDB
I2C#0
TEST
ACT-LED
SASP4
SASP3
SASP2
SASP1