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E-3
Rear Connectors and Jumpers
The following connectors are on the side of the backplane that faces the rear of the
chassis. They are marked by silkscreen labels.
1
10
1
9
J47
Q866
EXP I2C4
1
3
1
J48
3
EXP I2C0
4
4
2
2
Q873
J29
S_SDB
4
4
BC10
U51
JP4
MH17
A
S_MDIO
OVERHEATFAIL1
C
11
EC2
EC3
14
6
C354
L6
U30
U31
L10
MH18
+
1
3
1
4
PWR4
1
3
1
1
4
PWR5
2
3
1
3
6
1
4
PWR6
MH19
MH21
+12V
GND
+5V
Rear Connectors
1. Primary Expander Chip.
2. Secondary Expander Chip (not
present on EL1 single port
backplanes).
3. Backplane Power Connectors:
PWR1 through PWR6.
4. Primary SAS Ports: J49, J50.
5. Secondary SAS Ports: J51, J52.
(not present on EL1 single port
backplanes).
6. Primary UART Connector: PRI-
UART (J30) for manufacturer's
use only.
Appendix E: BPN-SAS3-846EL Backplane Specifications
Q872
MH13
Q871
U35
BC29
1
1
L9
1
7
1
C233 C236
U21
EC8
EC6
L4
4
1
EC12
EC9
HS2
1
5
10
20
15
A
E
TP36
K
R
Y
MH20
L3
AE
AK
EC11
EC10
J52
J51
D1
PRESS FIT
PRESS FIT
D1
D7
H7
D7
H1
U33
H1
D8
D8
CG2
H8
D2
H2
H2
D2
CG5
CG2
C7
G7
C1
G1
C1
C7
G1
C2
C8
G8
C2
C8
G2
G2
F7
B7
B1
B7
B1
F1
12
B8
F1
B2
B2
B8
F2
F8
F2
CG4
CG1
A1
E7
A1
A7
A7
E1
E1
E2
A8
A8
E2
CG1
E8
A2
A2
1
1
5
5
Figure E-1. Rear Connectors and Jumpers
MH14
Q870
12V_LED1
C
22
+
BC57
Q869
C177
A
12
C
U29
A
C
A
C
A
5
5
1
1
A
E
H
U19
A
E
H
2
HS1
25
30
MH22
TP95
U1
CS21
BPN-SAS3-846EL2
J50
J49
CG5
CG2
PRESS FIT
D1
D1
H7
D7
H1
H7
H8
D8
H8
D2
D2
H2
G7
G7
CG5
CG2
C1
C7
G1
C1
C2
C8
G8
C2
G8
G2
F7
B1
B7
F1
F7
B1
B2
F2
B2
F8
B8
F8
CG4
CG1
CG4
CG1
E7
A1
A7
E7
A1
E1
E8
A8
E2
A2
E8
A2
MH23
1
4
7. Secondary UART Connector: SEE-
UART(J24) for manufacturer's
use only, not present on EL1
backplanes.
8. Primary SDB Connector: PRI-SDB
(J31), for manufacturer's use only.
9. Secondary SDB Connector: SEE-
SDB (J29), for manufacturer's
use only, not present on EL1
backplanes.
10. I
C Connector, EXP I2C0 (J48).
2
11. J P 3 P _ M D I O a n d J P 4 P _
MDIO: Primary and secondary
management data in/out. For
manufacturer's use only.
E-3
MH15
L7
LED Testing Only
L2
Q867
11
11
12
22
C165 C107
U26
C206
U4
EC20
EC18
U3
5
5
1
1
A
A
E
E
H
H
1
1
TP94
TP15
10
WWN
MH24
WWN
1
3
REV:1.01
PWR1
DESIGNED IN USA
PRESS FIT
D7
H7
H1
1
D8
H2
H8
C7
G7
CG5
G1
G2
G8
C8
B7
F1
F7
F2
F8
PWR3
B8
PWR2
CG4
1
4
E1
E7
A7
+12V
GND
+5V
+12V
E2
A8
E8
MH25
1
1
BC96
1
3
R65
4
1
6
MH16
ACTLED
J30
P_UART
1
1
4
4
1
JP3
4
1
J31
P_MDIO
P_SDB
1
8
C122
+
11
MH26
+
L5
C76
+
F73
22
12
U28
11
L8
+
1
4
+12V
GND
+5V
4
18
13
19
7
GND
+5V
MH27
3
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