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COM1, COM2, COM3, COM4 Connector (CN18)
C
C
C
C
C
O
O
O
O
O
M
M
M
M
M
1
1
1
1
1
1
S
D
C
D
B
2
S
R
X
D
3
S
T
X
D
4
S
D
T
R
B
5
C
O
M
1
G
C
C
C
C
C
O
O
O
O
O
M
M
M
M
M
3
3
3
3
3
1 2
D
C
D
2 2
R
X
D
3 2
T
X
D
4 2
D
T
R
5 2
C
O
M
3
G
(*) Depending on the jumper setting you select from JP3.
The signal can be either VCC12, VCC5, or RI.
(**) Depending on the jumper setting you select from JP2.
The signal can be either VCC12, VCC5, or RI.
35
31
25
30
36
40
1
X
6
S
D
S
R
B
1
7
S
R
T
S
B
1
8
S
C
T
S
1
X
9
S
R
B I
N
D
0 1
N
C /
A
6 2
D
S
R
A
7 2
R
T
S
A
8 2
C
T
* * * * *
A
9 2
N
D
0 3
N
C /
15
11
21
5
26
10
16
20
C
C
C
C
C
O
O
O
O
O
M
M
M
M
M
2
2
2
2
2
B
1
X
1 1
B
1
X
2 1
B
1
X
3 1
1
X
4 1
5 1
C
C
C
C
C
O
O
O
O
O
M
M
M
M
M
4
4
4
4
4
A
1 3
A
2 3
S
A
3 3
4 3
5 3
1
6
C
M
2
1 -
6 1
C
M
2
2 -
7 1
C
M
2
3 -
8 1
C
M
2
4 -
9 1
C
O
M
2
G
N
D
0 2
D
C
D
B
6 3
R
X
D
B
7 3
T
X
D
B
8 3
D
T
R
B
9 3
C
O
M
4
G
N
D
0 4
Chapter 2 Installation
S
D
S
R
B
2
X
S
R
T
S
B
2
X
S
C
T
S
B
2
X
S
R
B I
2
X
N
C /
D
S
R
B
R
T
S
B
C
T
S
B
* ** * * * * ** *
N
C /
37
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