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User Manual version 2.1
OPEN (660) 120/140/150
6-73
6.2.2.4. CN5: IR and Serial Ports Connector
The CN5 is a 40-pin IR and serial port connector. The PC
660A3 provides one IR port and four onboard serial ports
with their signals mixed in one connector, CN5. The
following table shows the related pin signals;
CN5: IR Port and 4 COM Ports
Pin # Signal Pin # Signal
1
DCD1
2
DSR1
3
RX1
4
RTS1
5
TX1
6
CTS1
7
DTR1
8
RI1
9
GND
10
GND
11
DCD2
12
DSR2
13
RX2
14
RTS2
15
TX2
16
CTS2
17
DTR2
18
RI2
19
GND
20
GND
21
DCD3
22
DSR3
23
RX3
24
RTS3
25
TX3
26
CTS3
27
DTR3
28
RI3
29
IRVCC5
30
IRVCC5
31
DCD4
32
DSR4
33
RX4
34
RTS4
35
TX4
36
CTS4
37
DTR4
38
RI4
39
IRTX2
40
IRRX2
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40