1
8
+
+
EC
20
+
EC17
L153
L1
R4631
C300
+
+
EC
8
+
+
EX
PD
BG
2
EC
7
+
EC
6
+
EC
5
EC
4
+
+
+
EC
29
+
EC
28
+
+
EC
25
+
EC
24
+
+
EC
22
+
+
+
+
EC
14
+
EC
13
+
+
EC
11
EC
10
+
+
L147
BUZZE
R1
+
BPN-SAS2-846EL2
BUZZER_ENB1
AN_MONITOR_DISABLE
REV 1.10
DESIGNED IN USA 1
1 1
ACTLED1
1
FANFAIL_LE
D_DISABLE
1 1
M
DI
O2
M
DI
O1
F1
FANFAIL1
A C
OVERHEATFAIL1
MH14
A C
PRI_J0
12V_LED
A
C
5V_LED
A
C
C A
ACT25
1 C
A
ACT24
C367
1
SEC_MO
DE1
3
SEC_M
ODE2
1
3
PRI_MO
DE2
1
3
+
+
EC
19
C2972
+
C2973
+
+
C2970
+
+
+
EC
34
UA
RT_
P
4
+
C8
64
+
+
+
+
+
+
C869
+
C867
+
+
+
C866
+
+
C862
SEC_J1
SEC_J0
SEC_J
2
+12V GND
GND +5V
U5
PWR6
MH2
MH5
MH7
PWR4
PWR
3
MH4
MH8
MH3
MH13
MH11
MH15
MH10
1
4
+12V GND GND +5V
+12V GND GND +5V
1 4 +12V GND GND +5V
FAN3
4
1
J24
J25
1
8
5
10
15
20
25
28
Y
E
R
K
A
E
A
H
5
10
15
20
25
28
Y
E
R
K
A
E
A
H
1
2
J27
U17
1
4
4
4
1
1
1
UAR
T_
S
PRI
_I
2C
BAR CODE
+12V GND
GND +5V
+12V GND
GND +5V
PWR
1
WWN
WWN
Dual External Host Bus Adapter
CBL-0200L
External HBA Cables
HBA
CBL-0200L
External HBA Cable
Appendix E: SAS2-846EL Backplane Specifications
Connecting an External Host Bus Adapter 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 configura-
tion system to connect to the other system that has a HBA.
Single External Host Bus Adapter
Power Card
Power Card
1
8
+
+
+
EC17
L153
L1
C300
+
+
EC
8
+
+
EX
PD
BG
2
+
EC
7
+
EC
6
EC
5
+
EC
4
+
+
+
EC
29
+
EC
28
+
+
EC
25
+
EC
24
+
EC
23
+
EC
22
EC
2
1
+
+
+
+
EC
14
+
EC
13
EC
12
+
EC
11
+
EC
10
+
1
+
EX
PD
BG
1
L147
BPN-SAS2-846EL2
BUZZER_ENB1 AN_MONITOR_DISABLE
REV 1.10
MH9
DESIGNED IN USA 1
1 1
ACTLED1
BUZZER1
+
1
FANFAIL_LE
D_DISABLE
1 1
M
DI
O2
M
DI
O1
F1
FANFAIL1
A C
OVERHEATFAIL1
A C
12V_LED
A
C
5V_LED
A
C
C A
ACT25
1
J26
C A
ACT24
C367
1
3
SEC_M
ODE2
1
3
PRI_MO
DE2
1
3
+
+
C866
+
+
EC
19
C2972
+
+
+
+
+
EC
34
UA
RT_
P
4
+
C8
64
+
+
+
+
+
+
C869
+
C867
+
C865
+
C863
C862
+
PRI_J
0
MH6
SEC_J1
SEC_J0
SEC_J
2
+12V GND
GND +5V
PWR6
MH2
MH5
MH7
PWR4
PWR
3
MH4
MH8
MH3
MH14
MH13
MH11
MH15
MH10
1
4
+12V GND GND +5V
+12V GND GND +5V
1 4 +12V GND GND +5V
FAN3
4
1
1
8
5
10
15
20
25
28
Y
E
R
K
A
E
A
H
5
10
15
20
25
28
Y
E
R
K
A
E
A
H
1
2
J27
U17
1
4
4
4
1
1
UAR
T_
S
PRI
_I
2C
BAR CODE
+12V GND
GND +5V
+12V GND
GND +5V
PWR
1
WWN
WWN
Figure E-9: Connecting Single and Dual HBAs to the Backplane
HBA
HBA
E-15