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SC846B JBOD Chassis Manual
B-6 Rear LED Indicators
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
EC2
OVERHEATFAIL1
EC3
14
6
C354
L6
U30
U31
L10
+
MH18
1
4
PWR4
1
1
4
PWR5
2
3
1
4
PWR6
MH19
+12V
GND
+5V
LED
12V_LED1
12V_LED2
5V_LED1
5V_LED2
OVERHEATFAIL1
MH13
Q872
Q871
U35
BC29
1
12V_LED2
1
L9
1
C233 C236
U21
EC8
EC6
L4
4
EC12
EC9
HS2
1
5
10
15
A
E
TP36
K
R
Y
MH20
L3
AE
AK
EC11
EC10
J52
J51
D1
PRESS FIT
PRESS FIT
D1
H1
D7
H7
D7
U33
H1
D8
H8
D8
H2
CG2
H2
D2
D2
CG5
CG2
G7
C7
G1
C1
C7
C1
G1
C2
C2
C8
G8
C8
G2
G2
6
F7
B7
B1
B7
B1
F1
12
F1
B2
B8
F8
B2
B8
F2
F2
CG4
CG1
A1
A1
A7
E7
A7
E1
E1
E2
A8
A8
E2
CG1
A2
E8
A2
MH21
Figure B-3. Rear LEDs
Rear LEDs
Normal
Abnormal
State
State
On
Off
Steady on,
Blinking
or off
On
Off
Steady on,
Blinking
or off
Off
On
12V_LED1
MH14
Q870
12V_LED1
5V_LED2
C
22
+
BC57
C177
A
Q869
12
C
U29
A
C
A
C
A
5V_LED1
5
5
1
1
A
E
H
U19
A
E
H
HS1
20
25
30
MH22
TP95
U1
CS21
BPN-SAS3-846EL2
J50
J49
PRESS FIT
CG5
CG2
D1
H1
D1
H7
D7
H7
H8
D8
H8
D2
D2
H2
CG5
CG2
G7
C7
G7
C1
G1
C1
C2
G8
C2
C8
G2
G8
F7
B1
B7
F7
B1
F1
B2
B2
F8
B8
F2
F8
CG4
CG1
A1
E7
CG4
CG1
A1
E7
A7
E1
A8
E2
E8
A2
E8
A2
MH23
Specification
12V power status.
Primary expander heartbeat indicator.
5V power status.
Secondary expander heartbeat indicator
(not present on BPN-SAS3-846EL1
backplanes).
System overheat/failure LED.
B-6
MH15
L7
LED Testing Only
ACTLED
L2
1
Q867
1
11
12
22
U26
C165 C107
C206
U4
EC20
EC18
U3
5
5
1
1
A
A
E
E
H
H
TP94
TP15
10
WWN
MH24
WWN
1
REV:1.01
PWR1
DESIGNED IN USA
PRESS FIT
D7
H7
H1
1
D8
H8
H2
CG5
C7
G7
G1
G2
C8
G8
B7
F7
F1
F2
PWR3
B8
F8
PWR2
1
E1
CG4
4
A7
E7
+12V
GND
+5V
+12V
A8
E2
E8
MH25
BC96
R65
MH16
J30
P_UART
1
4
4
4
JP3
1
J31
P_MDIO
P_SDB
C122
+
11
MH26
+
L5
C76
+
F73
22
12
U28
11
L8
+
4
+12V
GND
+5V
4
18
13
19
7
GND
+5V
MH27
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