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1
2
IC7
MAX211CAI
DRIVER/RECEIVER
A
≠≠≠≠
DTR0
≠≠≠
1
TXD0
2
≠≠≠≠
RTS0
≠≠≠
3
DSR0
≠≠≠≠
≠≠≠
4
DSRA
5
RTSA
6
TXA
7
RXA
8
5V
RXD0
9
C11
C13
0.1
0.1
50V
50V
12
B
13
14
≠≠≠≠
IRQ7
≠≠≠
TO P1
C
≠≠≠≠
IRQ6
≠≠≠
C20
0.1
25V
B:CHIP
D8
D9
D
D10
D11
D12
D13
D14
D15
RXA
RIA
CDA
D
TO P1,P4,P5
D(0:15)
≠≠≠≠
IRQ0
≠≠≠
TO P1
IRQ1
≠≠≠≠
≠≠≠
CONT BUS
TO P1,P4,P5
A(0:23)
E
DRIVER/RECEIVER
≠≠≠≠
DTR1
≠≠≠
TXD1
≠≠≠≠
RTS1
≠≠≠
DSR1
≠≠≠≠
≠≠≠
DSRB
F
RTSB
TXB
RXB
RXD1
5V
C12
0.1
50V
G
ICM-P3
3
4
5
5V
C16
0.1
50V
11
V
CC
28
FL35
T3OUT
T4OUT
NFA81R00C101T1
≠≠≠≠
DCD0
≠≠≠
27
EMI FILTER
T1OUT
R3IN
R100
CDA
26
0
T2OUT
R3OUT
≠≠≠≠
DCD0
≠≠≠
15
16
:CHIP
25
R2IN
SHDN
RXD0
13
14
24
R2OUT
EN
TXD0
11
12
CTS0
≠≠≠≠
≠≠≠
R101
23
T2IN
R4IN
0
≠≠≠≠
DTR0
≠≠≠
9
10
:CHIP
CTSA
22
T1IN
R4OUT
DSR0
≠≠≠≠
≠≠≠
7
8
21
R1OUT
T4IN
RTS0
≠≠≠≠
≠≠≠
5
6
20
DTRA
R1IN
T3IN
CTS0
≠≠≠≠
≠≠≠
3
4
RIA
19
R5OUT
≠≠≠
RI0
≠≠
1
2
≠≠≠
RI0
≠≠
18
R5IN
7
17
C1+
V-
17
18
16
C23
V+
C2-
0.1
50V
C1-
15
C2+
C19
GND
0.1
50V
10
5V
C18
5V
0.1
25V
B:CHIP
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
61
CDD
CDC
43
62
RID
RIC
42
RXD
63
41
RXD
RXC
64
VCC
GND
40
R99
65
INTSEL
TXRDY
39
10k
:CHIP
66
D0
RXRDY
38
67
D1
RESET
37
68
36
D2
IC8
XTAL2
ST16C654CJ68
1
D3
XTAL1
35
QUAD UART
2
D4
A0
34
3
D5
A1
33
4
D6
A2
32
R97
10k :CHIP
5
D7
16/68
31
R96
10k :CHIP
6
GND
CLKSEL
30
RXB
7
RXA
RXB
29
RIB
8
RIA
RIB
28
CDB
9
CDA
CDB
27
5V
C15
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
0.1
25V
B:CHIP
5V
C17
0.1
50V
IC9
MAX211CAI
11
FL36
V
CC
NFA81R00C101T1
1
28
EMI FILTER
T3OUT
T4OUT
≠≠≠≠
DCD1
≠≠≠
2
27
T1OUT
R3IN
DCD1
≠≠≠≠
≠≠≠
R102
15
16
CDB
3
26
0
T2OUT
R3OUT
:CHIP
RXD1
13
14
4
25
R2IN
SHDN
TXD1
11
12
5
24
R2OUT
EN
≠≠≠≠
DTR1
≠≠≠
9
10
6
23
≠≠≠≠
CTS1
≠≠≠
R103
T2IN
R4IN
DSR1
≠≠≠≠
≠≠≠
0
7
8
CTSB
7
22
:CHIP
T1IN
R4OUT
≠≠≠≠
RTS1
≠≠≠
5
6
8
21
R1OUT
T4IN
≠≠≠≠
CTS1
≠≠≠
3
4
DTRB
9
20
R1IN
T3IN
≠≠≠
RI1
≠≠
1
2
19
RIB
R5OUT
C14
0.1
18
≠≠≠
RI1
≠≠
R5IN
50V
17
18
9
12
17
C1+
V-
13
16
C21
V+
C2-
0.1
14
50V
C1-
15
C2+
C22
GND
0.1
50V
10
8-8
ICM-P3
6
7
CN1
9P
1
DCD0
2
RXD0
3
TXD0
4
DTR0
COM
5
GND
1
6
DSR0
7
RTS0
8
CTS0
5V
9
RI0
TXC
DTRC
RTSC
≠≠ ≠
RD
RXC
DSRC
LA3
LA4
CTSC
LA5
LA6
RESET
LA7
A0
A1
5V
A2
X2
5V
1.8532MHz
OSCILATOR
4
3
V
OUT
CC
TXD
OE
GND
DTRD
1
2
RTSD
5V
C35
0.1
25V
16
B
5V
VCC
≠≠≠
CS4
≠≠
R120
10k
1
15
1
O
2
O
R121
10k
A3
2
14
1A
2A
10
R122
10k
A4
3
13
1B
2B
4
12
1
Y0
2
Y0
5
11
1
Y1
2
Y1
6
10
1
Y2
2
Y2
7
9
1
Y3
2
Y3
RXD
GND
8
DSRD
IC10
TC74AC139F
DECODER
CTSD
CN2
9P
1
DCD1
2
RXD1
3
TXD1
4
DTR1
COM
5
GND
2
6
DSR1
7
RTS1
8
CTS1
9
RI1
8-8
8
9
10
C24
5V
0.1
25V
B:CHIP
IC11
DS26C31TMX
DRIVER
8
16
TP2
1
2
1A
1Y
3
1Z
7
6
2A
2Y
FB3
5
2Z
11
FB4
9
10
3A
3Y
FB5
11
3Z
FB6
15
14
4A
4Y
FB7
13
4Z
G G
FB8
4
12
FB9
FB10
FB11
FB12
C25
5V
0.1
FB13
25V
B:CHIP
FB14
IC12
DS26C32ATMX
8
16
RECEIVER
3
2
1Y
1A
1
1B
R131
2.2k :CHIP
5
6
2Y
2A
R132
2.2k :CHIP
7
2B
12
R133
2.2k :CHIP
11
10
3Y
3A
R134
2.2k :CHIP
9
3B
13
14
4Y
4A
15
4B
G
G
12
4
R139
R141
R143
100
100
100
:CHIP
:CHIP
:CHIP
5V
C26
0.1
25V
B:CHIP
IC13
DS26C31TMX
DRIVER
8
16
1
2
1A
1Y
3
1Z
7
6
2A
2Y
FB15
5
2Z
13
FB16
9
10
3A
3Y
FB17
11
3Z
FB18
15
14
4A
4Y
FB19
13
4Z
G G
FB20
FB21
4
12
FB22
FB23
FB24
FB25
C27
5V
0.1
FB26
25V
B:CHIP
IC14
DS26C32ATMX
RECEIVER
8
16
3
2
1Y
1A
1
1B
R135
2.2k :CHIP
5
6
2Y
2A
R136
2.2k :CHIP
7
2B
14
R137
2.2k :CHIP
11
10
3Y
3A
R138
2.2k :CHIP
9
3B
13
14
4Y
4A
15
4B
G
G
12
4
R140
R142
R144
100
100
100
:CHIP
:CHIP
:CHIP
ICM-P3
(MAIN BOARD)
B-SS7629<WW.>-ICM-P3
11
CONTROL
1
CN3
15P
1
GND
2
TXD2+
3
RTS2+
4
RXD2+
5
CTS2+
6
DSR2+
7
DTR2+
8
GND
9
TXD2-
10
RTS2-
11
RXD2-
12
CTS2-
13
DSR2-
14
DTR2-
15
N.C
TO FRONT
PANEL
CONTROL
2
CN5
16P
1
GND
2
TXD3-
3
TXD3+
4
RTS3-
5
RTS3+
6
RXD3-
7
RXD3+
8
CTS3-
9
CTS3+
10
DSR3-
11
DSR3+
12
DTR3-
13
DTR3+
14
N.C
15
GND
16
N.C
JTC-C200
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