J3
image/svg+xml
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
J
J
K
K
L
L
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
L
M
TxD
GND
CTS
DTR
RTS
J1
J2
Q2
R1
D2
D4
D3
R2
D6
Q1
C3
C2
D5
D7
= track separated beneath
= track separated beneath
= component inserted into this hole
= component inserted into this hole
= link/jumper
= link/jumper
= connector
= connector
Left edge
Left edge
Bottom edge
Bottom edge
Top edge
Top edge
Right edge
Right edge