Supermicro SC836B JBOD Series User Manual page 75

B-4 BPN-SAS3-836EL Backplane Components
Rear Connectors
MH1
S_ICE_HDR
J37 20 3
2
EC16
CG3 CG1
SEC_J3
19
1
L12
CG2
3
SEC_J2 CG3 CG1
CG2
3
MH2
EC15
CG3 CG1
10 BAR CODE
SEC_J1
CG2
3
CG3
CG1
8
EC13 EC14
SEC_J0
CG2
S_HB_LED
S_SDB
A C
J36 4
1
J35
4
S_UART 1
26 25 20 15
4
H E A
H E A
1 4 1
PWR3
PWR4
1 1
2
5 5
J29
MH3
1 U48
9
1
S_MDIO
1 2 3
1. Power connectors: PWR1, PWR2,
PWR3 and PWR4 (4-pin)
2. Primary SAS connectors: PRI_J0
(J20), PRI_J1 (J21), PRI_J2 (J22),
and PRI_J3 (J23)
3. Secondary SAS connectors: SEC_
J0 (J30), SEC_J1 (J31), SEC_J2
(J32), and SEC_J3 (J33)
4. Primary expander chip
5. Secondary expander chip
MH13
11
EC19 EC20
L10
L7
2 4
SMB
1 3
A
J17
C
SECONDARY EXPANDER
2 4
EC17 1
1 3
PRI_I2C1
WWN
12
6
5
HS1
AF
AE
Y
R
K
Y2 PWR2
E
A
10 5 1
1
PWR1
10
1
J34
S_JTAG
MH12
1
Figure 3EL-1. Rear Connectors
Appendix B Backplane Specifications
9 7
MH5
P_SDB
ACTLED1 1 J24 4 1 J19 P_UART P_HB_LED
D21
1 4
A
C
EC1 EC2
EC3 EC4 J28
2 20
P_ICE_HDR
MH7
L6 1 C21
26
25
EC12 EC11
20
U1
15
1
10
H E A
H E A
5
1 1
LT3
5 5
4 1
A E
U8
8
P_MDIO 2
9
MH9
J27
1
4
J18
1
P_JTAG
6. I C connector: PRI_I2C1 (4-pin)
2
7. Primary UART connector: UART_
P1 (J19; 4-pin)
8. Secondary UART connector:
UART_S1 (J35; 4-pin)
9. Primary SDB (J24, 4-pin)
10. Secondary SDB (J36, 4-pin)
11. SMB connector: JBOD controller
(J17, 4-pin)
12. Overheat_Fail2 (2-pin)
B-3
MH6
L2
A C A C
5V_LED1 12V_LED1
L4
BPN-SAS3-836EL2
EC10 EC9
REV 1.01
DESIGNED IN USA
L5
L3
PRI_J3
P_MDIO
EC7 EC8 WWN
PRI_J2
MH11
HS2
4
PRI_J1
LT4
K R Y AE AF PRI_J0
EC5
EC6
L1
Y1
10
MH4
1 2 3
2
CG3 CG1
CG2
2
CG3
CG1
MH8
CG2
2
CG3 CG1
CG2
2
CG1
CG3
CG2
MH10