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DC Jack
CN1
1
3
4
3
L1
2
1
2
FG
M
1 4
10
10
1
TPTX+
2
2 3
TPTX-
3
TPRX+
4
R5
NC1
5
NC2
75
6
TPRX-
7
R6
NC3
8
NC4
75
9
9
CN2
FG
DGND
2
3
DCIN
D1
L2
6.8u
DGND
BAT
DGND
L10
2
3
L11
1
4
Q1
C
1
B
D2
E
R3
240K
IC2
R10
5
Vin
CE
10
GND
4
EXT
Vout
L
+12V
+3.3V
BAT
10
9
8
7
6
5
PHY_CT
4
RXP
3
RXN
2
1
DGND
T1
16
1
R8
15
2
75
14
3
11
6
R9
10
7
75
9
8
12
4
13
5
+3.3V
R12
100
DGND
SHORT TERM POWER CUT
DGND
DETECTION CIRCUIT
L3
22u
1
2
3
+12V
+3.3V
CN3
20
19
18
17
16
15
14
13
12
11
R11
NC
+12V
AC_STOP
DGND
+3.3V
+3.3V
L4
10u
GND
DGND
AC_STOP
TXP
TXN
TXP
PHY_CT
TXN
RXP
RXN
DGND
BL-C30 I/O BOARD
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